feat: add clickable Run reference rendering in observability UI - #1681

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TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

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Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

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github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

Copilot uses AI. Check for mistakes.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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feat: add clickable Run reference rendering in observability UI - #1681

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TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

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Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro8307
✅ example8307
✅ express8307
✅ fastify8307
✅ hono8307
✅ nextjs-turbopack8802
✅ nextjs-webpack8802
✅ nitro8307
✅ nuxt8307
✅ sveltekit8307
✅ vite8307
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable76014
✅ express-stable76014
✅ fastify-stable76014
✅ hono-stable76014
✅ nextjs-turbopack-canary63027
✅ nextjs-turbopack-stable8208
✅ nextjs-webpack-canary63027
✅ nextjs-webpack-stable8208
✅ nitro-stable76014
✅ nuxt-stable76014
✅ sveltekit-stable76014
✅ vite-stable76014
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack8208
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev600
❌ mongodb5678
✅ redis-dev600
❌ redis5678
✅ turso-dev600
❌ turso3608
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable76014
✅ e2e-local-postgres-nest-stable76014
✅ e2e-local-prod-nest-stable76014

📋 View full workflow run

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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@TooTallNate@VaguelySerious
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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feat: add clickable Run reference rendering in observability UI - #1681

Merged
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering
Apr 14, 2026
Merged

feat: add clickable Run reference rendering in observability UI#1681
TooTallNate merged 4 commits into
mainfrom
fix/o11y-run-ref-rendering

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@TooTallNate

@TooTallNateTooTallNate commented Apr 10, 2026

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Summary

When a serialized Run object appears in step input/output data in the observability UI, it is now rendered as a clickable purple badge showing the runId. Clicking the badge navigates to the target run's detail page.

This was extracted from PR #1491 as a standalone o11y feature.

Example: https://workflow-web-git-fix-o11y-run-ref-rendering.labs.vercel.dev/run/wrun_01KP6TB96A83ZJE5PW7Q3H6SX9

Changes

Core

  • serialization-format.ts: Add RunRef type, isRunRef(), serializedRunToRunRef(), and Run entry in observabilityRevivers

Web Shared

  • data-inspector.tsx: Add RunRefInline component (purple clickable badge), RunClickContext, makeOpaqueRef()/collapseRefs() utilities to prevent ObjectInspector from expanding ref objects
  • attribute-panel.tsx: Thread onRunClick prop, wrap content in RunClickContext.Provider, improve stepName display fallback
  • entity-detail-panel.tsx: Thread onRunClick prop
  • run-trace-view.tsx: Thread onRunClick prop
  • workflow-trace-view.tsx: Thread onRunClick prop, reset selected span when navigating to a different run
  • trace-span-construction.ts: Show step name for builtin steps instead of empty string
  • hydration.ts: Re-export RunRef, RUN_REF_TYPE, isRunRef

Web

  • run-detail-view.tsx: Add handleRunRefClick callback that navigates to /run/{targetRunId}

@TooTallNate
TooTallNate requested a review from a team as a code ownerApril 10, 2026 00:17
CopilotAI review requested due to automatic review settings April 10, 2026 00:17
@changeset-bot

changeset-botBot commented Apr 10, 2026

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🦋 Changeset detected

Latest commit: 13b4ed3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 17 packages
NameType
@workflow/corePatch
@workflow/web-sharedPatch
@workflow/webPatch
@workflow/buildersPatch
@workflow/cliPatch
@workflow/nextPatch
@workflow/nitroPatch
@workflow/vitestPatch
workflowPatch
@workflow/world-testingPatch
@workflow/astroPatch
@workflow/nestPatch
@workflow/rollupPatch
@workflow/sveltekitPatch
@workflow/vitePatch
@workflow/nuxtPatch
@workflow/aiPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Express0.045s (+6.4% 🔺)1.005s (~)0.960s101.00x
💻 LocalNext.js (Turbopack)0.052s1.006s0.954s101.14x
🐘 PostgresNitro0.056s (+20.5% 🔺)1.011s (~)0.955s101.23x
🐘 PostgresExpress0.059s (-16.4% 🟢)1.010s (-0.8%)0.951s101.30x
🐘 PostgresNext.js (Turbopack)0.064s1.012s0.948s101.41x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express0.229s (-55.0% 🟢)2.007s (-20.4% 🟢)1.778s101.00x
▲ VercelNitro0.279s (+5.4% 🔺)2.170s (-3.6%)1.891s101.22x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)1.126s2.006s0.880s101.00x
💻 LocalExpress1.129s (+0.7%)2.006s (~)0.877s101.00x
🐘 PostgresNext.js (Turbopack)1.140s2.011s0.871s101.01x
🐘 PostgresExpress1.145s (-0.5%)2.011s (~)0.865s101.02x
🐘 PostgresNitro1.151s (+3.3%)2.009s (~)0.858s101.02x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro1.852s (-7.2% 🟢)3.373s (-0.7%)1.521s101.00x
▲ VercelExpress1.862s (-11.7% 🟢)3.315s (-6.2% 🟢)1.453s101.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)10.848s11.023s0.175s31.00x
🐘 PostgresNext.js (Turbopack)10.917s11.021s0.104s31.01x
🐘 PostgresExpress10.934s (~)11.352s (+3.0%)0.418s31.01x
🐘 PostgresNitro10.936s (+2.4%)11.023s (~)0.087s31.01x
💻 LocalExpress10.938s (~)11.023s (~)0.086s31.01x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express17.330s (-5.1% 🟢)18.611s (-9.9% 🟢)1.281s21.00x
▲ VercelNitro18.219s (+5.9% 🔺)19.461s (+2.5%)1.242s21.05x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express14.550s (~)15.024s (~)0.474s41.00x
🐘 PostgresNext.js (Turbopack)14.557s15.020s0.462s41.00x
🐘 PostgresNitro14.581s (+4.0%)15.023s (+2.8%)0.442s41.00x
💻 LocalNext.js (Turbopack)14.778s15.031s0.252s41.02x
💻 LocalExpress14.957s (~)15.030s (-3.2%)0.073s41.03x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express32.940s (+1.0%)35.462s (+3.0%)2.522s21.00x
▲ VercelNitro34.892s (+6.6% 🔺)36.902s (+6.8% 🔺)2.010s21.06x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro13.938s (+8.0% 🔺)14.166s (+8.8% 🔺)0.228s71.00x
🐘 PostgresNext.js (Turbopack)14.017s14.593s0.577s71.01x
🐘 PostgresExpress14.021s (~)14.597s (+3.0%)0.576s71.01x
💻 LocalNext.js (Turbopack)16.352s17.032s0.681s61.17x
💻 LocalExpress16.365s (-1.2%)17.030s (~)0.665s61.17x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express61.578s (-0.7%)62.851s (-1.5%)1.273s21.00x
▲ VercelNitro61.825s (+16.1% 🔺)63.323s (+15.1% 🔺)1.498s21.00x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.237s2.009s0.772s151.00x
🐘 PostgresExpress1.266s (-0.8%)2.010s (~)0.743s151.02x
🐘 PostgresNitro1.277s (+6.8% 🔺)2.009s (~)0.732s151.03x
💻 LocalExpress1.497s (-1.0%)2.005s (~)0.508s151.21x
💻 LocalNext.js (Turbopack)1.614s2.073s0.459s151.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.276s (-20.1% 🟢)3.625s (-23.7% 🟢)1.349s91.00x
▲ VercelExpress2.703s (+5.9% 🔺)4.008s (+4.0%)1.305s81.19x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.339s (+2.2%)3.008s (~)0.670s101.00x
🐘 PostgresExpress2.384s (+2.7%)3.008s (~)0.624s101.02x
🐘 PostgresNext.js (Turbopack)2.409s3.010s0.601s101.03x
💻 LocalExpress2.760s (-4.5%)3.008s (-3.2%)0.248s101.18x
💻 LocalNext.js (Turbopack)3.026s3.760s0.733s81.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.332s (-3.4%)3.765s (+2.6%)1.433s91.00x
▲ VercelNitro2.353s (-7.3% 🟢)3.781s (-2.1%)1.428s91.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.452s (-1.0%)4.010s (~)0.558s81.00x
🐘 PostgresNitro3.462s (+2.2%)4.011s (~)0.549s81.00x
🐘 PostgresNext.js (Turbopack)3.688s4.011s0.323s81.07x
💻 LocalNext.js (Turbopack)7.211s7.768s0.557s42.09x
💻 LocalExpress7.404s (-6.6% 🟢)8.019s (-5.9% 🟢)0.614s42.14x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.961s (+15.8% 🔺)4.469s (+4.5%)1.508s81.00x
▲ VercelExpress3.156s (-14.7% 🟢)4.864s (-9.4% 🟢)1.708s71.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)1.236s2.010s0.773s151.00x
🐘 PostgresExpress1.258s (~)2.008s (~)0.750s151.02x
🐘 PostgresNitro1.260s (+4.8%)2.009s (~)0.749s151.02x
💻 LocalExpress1.511s (-20.9% 🟢)2.006s (-16.1% 🟢)0.494s151.22x
💻 LocalNext.js (Turbopack)1.866s2.340s0.474s151.51x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.069s (-9.5% 🟢)3.294s (-16.6% 🟢)1.225s101.00x
▲ VercelNitro2.554s (+22.3% 🔺)4.106s (+11.5% 🔺)1.552s81.23x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro2.333s (+2.1%)3.009s (~)0.676s101.00x
🐘 PostgresExpress2.338s (-0.6%)3.010s (~)0.671s101.00x
🐘 PostgresNext.js (Turbopack)2.425s3.011s0.586s101.04x
💻 LocalExpress2.999s (-4.9%)3.453s (-14.0% 🟢)0.453s91.29x
💻 LocalNext.js (Turbopack)3.100s3.885s0.785s81.33x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.494s (+13.0% 🔺)3.926s (+11.4% 🔺)1.431s81.00x
▲ VercelExpress2.729s (+0.8%)3.851s (~)1.123s81.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express3.476s (~)4.011s (~)0.535s81.00x
🐘 PostgresNitro3.493s (+3.0%)4.011s (~)0.518s81.01x
🐘 PostgresNext.js (Turbopack)3.693s4.010s0.316s81.06x
💻 LocalExpress7.735s (-12.9% 🟢)8.020s (-13.5% 🟢)0.285s42.23x
💻 LocalNext.js (Turbopack)8.640s9.273s0.633s42.49x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.620s (-15.1% 🟢)4.384s (-6.8% 🟢)1.764s71.00x
▲ VercelExpress2.855s (+5.8% 🔺)4.573s (+7.3% 🔺)1.718s71.09x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.784s1.007s0.223s601.00x
🐘 PostgresNitro0.823s (+41.3% 🔺)1.006s (~)0.183s601.05x
🐘 PostgresExpress0.841s (~)1.040s (~)0.199s581.07x
💻 LocalNext.js (Turbopack)0.857s1.022s0.165s591.09x
💻 LocalExpress1.010s (+2.1%)1.493s (+31.3% 🔺)0.483s411.29x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro9.080s (-12.7% 🟢)10.700s (-9.7% 🟢)1.620s61.00x
▲ VercelExpress9.287s (-5.9% 🟢)11.145s (+0.9%)1.858s61.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Nitro1.908s (+35.0% 🔺)2.053s (+2.3%)0.145s441.00x
🐘 PostgresNext.js (Turbopack)1.925s2.101s0.177s431.01x
🐘 PostgresExpress1.963s (~)2.258s (-1.1%)0.295s401.03x
💻 LocalNext.js (Turbopack)2.748s3.041s0.293s301.44x
💻 LocalExpress3.018s (-0.5%)3.509s (~)0.490s261.58x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express27.239s (-9.8% 🟢)28.660s (-9.2% 🟢)1.421s41.00x
▲ VercelNitro27.581s (-5.7% 🟢)28.955s (-5.1% 🟢)1.374s41.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)3.894s4.182s0.288s291.00x
🐘 PostgresNitro3.914s (+33.7% 🔺)4.109s (+27.7% 🔺)0.195s301.01x
🐘 PostgresExpress3.964s (-1.0%)4.251s (-6.9% 🟢)0.287s291.02x
💻 LocalNext.js (Turbopack)8.783s9.018s0.236s142.26x
💻 LocalExpress8.946s (-2.7%)9.478s (-5.4% 🟢)0.533s132.30x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro72.077s (-7.0% 🟢)73.509s (-7.2% 🟢)1.432s21.00x
▲ VercelExpress73.139s (-3.3%)74.570s (-3.3%)1.431s21.01x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Next.js (Turbopack)0.261s1.007s0.746s601.00x
🐘 PostgresExpress0.280s (-3.3%)1.007s (~)0.727s601.07x
🐘 PostgresNitro0.281s (+31.2% 🔺)1.006s (~)0.725s601.08x
💻 LocalExpress0.544s (-6.5% 🟢)1.004s (~)0.460s602.08x
💻 LocalNext.js (Turbopack)0.580s1.005s0.425s602.22x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.763s (+28.7% 🔺)3.393s (+20.3% 🔺)1.630s181.00x
▲ VercelNitro1.794s (+11.8% 🔺)3.519s (+16.9% 🔺)1.725s181.02x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.481s (-2.0%)1.006s (~)0.525s901.00x
🐘 PostgresNext.js (Turbopack)0.494s1.006s0.513s901.03x
🐘 PostgresNitro0.498s (+40.0% 🔺)1.006s (~)0.509s901.03x
💻 LocalExpress2.327s (-10.8% 🟢)3.008s (~)0.682s304.83x
💻 LocalNext.js (Turbopack)2.543s3.009s0.465s305.28x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.842s (-10.1% 🟢)4.502s (-1.7%)1.659s201.00x
▲ VercelExpress3.036s (+12.2% 🔺)4.437s (+3.5%)1.402s211.07x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.787s (-0.6%)1.008s (-0.8%)0.221s1201.00x
🐘 PostgresNext.js (Turbopack)0.794s1.007s0.212s1201.01x
🐘 PostgresNitro0.800s (+40.8% 🔺)1.016s (+1.0%)0.217s1191.02x
💻 LocalExpress10.361s (-8.5% 🟢)11.028s (-6.9% 🟢)0.667s1113.17x
💻 LocalNext.js (Turbopack)10.702s11.299s0.596s1113.60x
💻 LocalNitro⚠️missing----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express7.528s (-6.6% 🟢)9.226s (-4.4%)1.698s141.00x
▲ VercelNitro7.780s (+5.1% 🔺)9.367s (+5.8% 🔺)1.587s131.03x
▲ VercelNext.js (Turbopack)⚠️missing----

🔍 Observability: Express | Nitro

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)0.180s1.003s0.012s1.019s0.839s101.00x
🐘 PostgresNext.js (Turbopack)0.201s1.000s0.001s1.011s0.809s101.12x
💻 LocalExpress0.208s (+2.8%)1.004s (~)0.010s (-12.8% 🟢)1.016s (~)0.808s101.15x
🐘 PostgresExpress0.211s (+2.2%)0.994s (~)0.001s (-13.3% 🟢)1.012s (~)0.801s101.17x
🐘 PostgresNitro0.221s (+39.9% 🔺)0.995s (~)0.002s (+12.5% 🔺)1.011s (~)0.790s101.22x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express1.541s (+5.8% 🔺)2.830s (-8.1% 🟢)0.939s (-0.9%)4.099s (-5.8% 🟢)2.558s101.00x
▲ VercelNitro1.891s (+20.2% 🔺)3.189s (+9.7% 🔺)0.902s (-7.8% 🟢)4.510s (+4.8%)2.619s101.23x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.604s (-2.4%)1.005s (~)0.004s (+7.3% 🔺)1.023s (~)0.419s591.00x
🐘 PostgresNitro0.616s (+23.7% 🔺)1.005s (~)0.004s (+11.6% 🔺)1.022s (~)0.406s591.02x
🐘 PostgresNext.js (Turbopack)0.645s1.026s0.004s1.040s0.394s581.07x
💻 LocalExpress0.740s (-1.1%)1.011s (~)0.010s (+1.2%)1.023s (~)0.282s591.23x
💻 LocalNext.js (Turbopack)0.871s1.010s0.010s1.228s0.357s491.44x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro4.333s (+2.6%)5.370s (+1.4%)0.231s (-4.1%)6.004s (+1.6%)1.672s101.00x
▲ VercelExpress4.441s (+12.9% 🔺)5.513s (+6.1% 🔺)0.200s (-37.2% 🟢)6.077s (+2.0%)1.636s111.03x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express0.940s (-2.2%)1.150s (-9.1% 🟢)0.000s (-7.7% 🟢)1.162s (-9.4% 🟢)0.222s521.00x
🐘 PostgresNitro0.946s (+4.9%)1.169s (+9.3% 🔺)0.000s (+339.2% 🔺)1.184s (+7.9% 🔺)0.239s511.01x
🐘 PostgresNext.js (Turbopack)0.950s1.335s0.000s1.347s0.396s451.01x
💻 LocalExpress1.206s (-5.5% 🟢)2.020s (~)0.000s (-31.3% 🟢)2.022s (~)0.816s301.28x
💻 LocalNext.js (Turbopack)1.260s2.018s0.000s2.021s0.761s301.34x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.758s (-1.2%)4.005s (-1.0%)0.000s (+Infinity% 🔺)4.354s (-1.4%)1.595s141.00x
▲ VercelExpress2.825s (+2.6%)3.881s (~)0.000s (+50.0% 🔺)4.213s (~)1.388s151.02x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Nitro | Express

fan-out fan-in 10 streams (1MB each)

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🐘 Postgres🥇 Express1.728s (+1.3%)2.101s (+1.6%)0.000s (~)2.117s (+1.8%)0.390s291.00x
🐘 PostgresNitro1.785s (+10.3% 🔺)2.102s (+1.6%)0.000s (-100.0% 🟢)2.113s (+1.7%)0.328s291.03x
🐘 PostgresNext.js (Turbopack)1.885s2.181s0.000s2.188s0.303s281.09x
💻 LocalExpress3.306s (-9.1% 🟢)4.101s (~)0.000s (+150.0% 🔺)4.103s (~)0.797s151.91x
💻 LocalNext.js (Turbopack)3.804s4.165s0.001s4.169s0.366s152.20x
💻 LocalNitro⚠️missing-----

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express3.762s (-20.7% 🟢)4.887s (-18.3% 🟢)0.000s (-72.2% 🟢)5.243s (-16.9% 🟢)1.481s121.00x
▲ VercelNitro4.195s (-11.0% 🟢)5.750s (-2.5%)0.000s (-100.0% 🟢)6.126s (-2.5%)1.931s101.12x
▲ VercelNext.js (Turbopack)⚠️missing-----

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalExpress12/21
🐘 PostgresNext.js (Turbopack)8/21
▲ VercelExpress11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express🐘 Postgres15/21
Next.js (Turbopack)🐘 Postgres17/21
Nitro🐘 Postgres19/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run


Some benchmark jobs failed:

  • Local: cancelled
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

@github-actions

github-actionsBot commented Apr 10, 2026

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🧪 E2E Test Results

Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production923067990
✅ 💻 Local Development89801821080
✅ 📦 Local Production89801821080
✅ 🐘 Local Postgres89801821080
✅ 🪟 Windows820890
❌ 🌍 Community Worlds1337424231
✅ 📋 Other228042270
Total4060746874821

❌ Failed Tests

🌍 Community Worlds (74 failed)

mongodb (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

redis (7 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5

turso (60 failed):

  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • addTenWorkflow | wrun_01KP6VJ3KKXQDE4GWCW6HZCNJN
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP6VKT7YXMA7VBSYHVSFQGBY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01KP6VJBEX3VP0XCV047J1VG3X
  • promiseRaceWorkflow | wrun_01KP6VJHG6CP8F45AXBBRWS3DQ
  • promiseAnyWorkflow | wrun_01KP6VJKJG4FE311NQ50QDJJM6
  • importedStepOnlyWorkflow | wrun_01KP6VM6DJYN76JMF8B2W2BVTA
  • hookWorkflow | wrun_01KP6VK0JQGZ2AZBR8VZBS9GA3
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01KP6VKBM2KGN0HQVZ4YXAMC42
  • webhookWorkflow | wrun_01KP6VKMNF4E46YFF0CCQWTW0N
  • sleepingWorkflow | wrun_01KP6VKVBEKPVAYHCMFQ8QBEH2
  • parallelSleepWorkflow | wrun_01KP6VM7QHBFSGH05Y3RHXTDAQ
  • nullByteWorkflow | wrun_01KP6VMAX3R9KVE1P295Q6BJJ6
  • workflowAndStepMetadataWorkflow | wrun_01KP6VMCWKG6ZF9WKQJK59AEJ4
  • fetchWorkflow | wrun_01KP6VQ764RN98NRQ2PYR9KMSJ
  • promiseRaceStressTestWorkflow | wrun_01KP6VQ9TXXWZQJ9VYHQWP48NM
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KP6VTSCJGXDPJK7Q82TEQW8X
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP6VVDS6W4ZXSB5KETPAV9EH
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP6VW4C074AAEFBVEYZRNY5E
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP6VWQTMXWKSXB2WNJV3VDS3
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP6VX1G05ES36PD3AZTEHRQJ
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01KP6VX6QAVF9YTZR1G59N5TD0
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP6VX8R1EF22R2DQ6CHF4AFF
  • runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP6VXKQN09R362Z0H3ECE3PP
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP6VY31QN1MYBYC89RPTFNQ7
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP6VY99WH0NB5F6EDQFFX51A
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP6VYFRH86M9HNG0ZS7AJB4T
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP6VYPMGVZND8JW6X6YEH4HA
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP6VYX5FA7RJKPWZ69B57F3B
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP6VZ3X095J0X0848H6A4FBH
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP6VZAPV5C4PYPNAP2W8C5BD
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP6VZQ0HXJX590H5X7H31ZWF
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP6VZYMA9V7SE6QTEDHD3H2E
  • cancelRun - cancelling a running workflow | wrun_01KP6W054AE2Q2MJA2F8XP4765
  • cancelRun via CLI - cancelling a running workflow | wrun_01KP6W0EJ1TASVX6BKFFDBAFTQ
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP6W0TNET68PHHNJPD3D2181
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP6W1FQR0SXVEZV53TWG060D
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP6W1SRHAMMSE8X8ADD06MHS
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP6W20DS58CA8PCCN2CSYZJX
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP6W22MR3GYF0FFK9XCBFNPD
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP6W24VNGDXSF4X8137ZSBZ5
  • getterStepWorkflow - getter functions with "use step" directive | wrun_01KP6W2836A9VHWE3RBF18MM4Z

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Pull request overview

Adds a UI-friendly RunRef marker to hydrated observability data so serialized Run values can render as clickable run-id badges that navigate to the referenced run detail page.

Changes:

  • Introduce RunRef in core serialization format and revive serialized Run values into RunRef for o11y hydration.
  • Render RunRef inline in the shared DataInspector and thread onRunClick through trace/detail panels to enable navigation.
  • Improve fallback naming for steps (built-in steps now show a non-empty name).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file
FileDescription
packages/core/src/serialization-format.tsAdds RunRef marker/type + reviver so o11y hydration converts serialized Run to display-friendly references.
packages/web-shared/src/lib/hydration.tsRe-exports RunRef utilities/types for web consumers.
packages/web-shared/src/components/ui/data-inspector.tsxAdds inline RunRef rendering + ref-collapsing utilities and click context plumbing.
packages/web-shared/src/components/sidebar/attribute-panel.tsxProvides RunClickContext to sidebar attribute rendering and improves step name fallback display.
packages/web-shared/src/components/sidebar/entity-detail-panel.tsxThreads onRunClick into the sidebar attribute panel.
packages/web-shared/src/components/workflow-trace-view.tsxThreads onRunClick to entity panel and resets selected span when run changes.
packages/web-shared/src/components/run-trace-view.tsxThreads onRunClick into WorkflowTraceViewer.
packages/web-shared/src/components/workflow-traces/trace-span-construction.tsUses a better step name fallback for span names.
packages/web/app/components/run-detail-view.tsxImplements run-ref click handler that navigates to /run/{runId}.
.changeset/o11y-run-ref-rendering.mdPublishes patch bumps for core/web-shared/web for the new o11y behavior.

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Comment on lines +303 to +312
function collapseRefs(data: unknown): unknown {
if (data === null || typeof data !== 'object') return data;
if (isRunRef(data) || isStreamRef(data))
return makeOpaqueRef(data as unknown as Record<string, unknown>);
if (Array.isArray(data)) return data.map(collapseRefs);
const result: Record<string, unknown> = {};
for (const [key, value] of Object.entries(data)) {
result[key] = collapseRefs(value);
}
return result;

CopilotAIApr 10, 2026

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collapseRefs() rebuilds every non-array object via Object.entries and a new {}. This will strip/flatten non-plain instances that getWebRevivers() explicitly revives (e.g. Date, Error, Map, Set, URL, Headers), often turning them into {} and breaking the existing Date/Error rendering in NodeRenderer. Consider only collapsing refs within plain objects/arrays (e.g., guard on Object.getPrototypeOf(data) being Object.prototype/null) and returning other object instances unchanged; also memoize the collapsed result so it isn’t recomputed (and deep-compared) on every render.

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Fixed. collapseRefs() now checks Object.getPrototypeOf(data) and only recurses into plain objects (Object.prototype or null prototype). Class instances like Date, Error, Map, Set, URL, Headers, etc. are returned unchanged. Also memoized the collapsed result with useMemo to avoid recomputing on every render.

@TooTallNate
TooTallNateforce-pushed the fix/o11y-run-ref-rendering branch from 4a71ef7 to 96f8b09CompareApril 14, 2026 20:09
Both the web and CLI hydration layers override the observabilityRevivers
Instance handler with their own implementation (for react-inspector
named constructors and CLI inspect.custom respectively), bypassing the
RunRef detection in serializedInstanceToRef. Fix by calling
serializedInstanceToRef first and returning a RunRef when detected.
@ghostghost mentioned this pull request Apr 14, 2026
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3 participants

@TooTallNate@VaguelySerious