trace viewer bug fix + file cleanup

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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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Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

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🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.

[mitul-s]

There was a bug where the timeline would get clipped into the left if zoomed in too much, or zoomed into a certain step.

Before

After:

Also, refactored the timeline file a bit so it's easier to parse and removed unneeded code.

[changeset-bot]

🦋 Changeset detected

Latest commit: 66d378b

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

This PR includes changesets to release 16 packages

Name	Type
@workflow/web-shared	Patch
@workflow/web	Patch
@workflow/cli	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/core	Patch
@workflow/builders	Patch
@workflow/next	Patch
@workflow/nitro	Patch
@workflow/vitest	Patch
@workflow/astro	Patch
@workflow/nest	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/nuxt	Patch

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

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 20, 2026 7:18pm
example-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-astro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-express-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-fastify-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-hono-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nitro-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-nuxt-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-sveltekit-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workbench-vite-workflow	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-docs	Ready	Preview, Comment, Open in v0	May 20, 2026 7:18pm
workflow-swc-playground	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-tarballs	Ready	Preview, Comment	May 20, 2026 7:18pm
workflow-web	Ready	Preview, Comment	May 20, 2026 7:18pm

[github-actions]

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.029s (-33.6% 🟢)	1.005s (~)	0.976s	10	1.00x
💻 Local	Nitro	0.030s (-30.6% 🟢)	1.005s (~)	0.976s	10	1.02x
💻 Local	Next.js (Turbopack)	0.047s	1.006s	0.958s	10	1.61x
🐘 Postgres	Express	0.051s (-11.4% 🟢)	1.011s (~)	0.959s	10	1.75x
🐘 Postgres	Nitro	0.054s (-43.6% 🟢)	1.011s (-3.1%)	0.957s	10	1.83x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.247s (+5.0% 🔺)	2.214s (+3.7%)	1.967s	10	1.00x
▲ Vercel	Nitro	0.280s (-31.7% 🟢)	2.468s (-1.6%)	2.188s	10	1.13x
▲ Vercel	Next.js (Turbopack)	0.306s (+21.7% 🔺)	2.326s (~)	2.020s	10	1.24x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.069s (-5.0%)	2.006s (~)	0.936s	10	1.00x
💻 Local	Nitro	1.076s (-4.8%)	2.006s (~)	0.930s	10	1.01x
🐘 Postgres	Express	1.082s (-5.6% 🟢)	2.009s (~)	0.926s	10	1.01x
🐘 Postgres	Nitro	1.083s (-5.0% 🟢)	2.009s (~)	0.926s	10	1.01x
💻 Local	Next.js (Turbopack)	1.106s	2.006s	0.900s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	1.545s (-24.1% 🟢)	3.668s (-4.2%)	2.124s	10	1.00x
▲ Vercel	Express	1.626s (-13.3% 🟢)	3.587s (-5.8% 🟢)	1.961s	10	1.05x
▲ Vercel	Nitro	1.663s (-57.3% 🟢)	3.864s (-34.6% 🟢)	2.201s	10	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.407s (-4.3%)	11.016s (~)	0.609s	3	1.00x
💻 Local	Express	10.410s (-4.7%)	11.023s (~)	0.613s	3	1.00x
💻 Local	Nitro	10.412s (-4.9%)	11.023s (~)	0.611s	3	1.00x
🐘 Postgres	Express	10.426s (-4.9%)	11.021s (~)	0.595s	3	1.00x
💻 Local	Next.js (Turbopack)	10.711s	11.021s	0.310s	3	1.03x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	13.024s (-45.1% 🟢)	15.721s (-37.4% 🟢)	2.697s	2	1.00x
▲ Vercel	Next.js (Turbopack)	13.167s (-24.0% 🟢)	15.632s (-19.4% 🟢)	2.465s	2	1.01x
▲ Vercel	Express	13.319s (-21.6% 🟢)	15.059s (-24.8% 🟢)	1.740s	2	1.02x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	13.426s (-10.9% 🟢)	14.027s (-12.5% 🟢)	0.601s	5	1.00x
🐘 Postgres	Nitro	13.454s (-7.8% 🟢)	14.017s (-6.7% 🟢)	0.563s	5	1.00x
💻 Local	Express	13.476s (-10.0% 🟢)	14.027s (-6.7% 🟢)	0.552s	5	1.00x
🐘 Postgres	Express	13.484s (-7.5% 🟢)	14.020s (-6.7% 🟢)	0.536s	5	1.00x
💻 Local	Next.js (Turbopack)	14.075s	15.030s	0.955s	4	1.05x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	20.535s (-68.1% 🟢)	23.123s (-65.3% 🟢)	2.588s	3	1.00x
▲ Vercel	Express	20.901s (-58.5% 🟢)	22.763s (-56.7% 🟢)	1.862s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.996s (-60.1% 🟢)	23.154s (-57.6% 🟢)	2.158s	3	1.02x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	11.889s (-29.2% 🟢)	12.022s (-29.4% 🟢)	0.133s	8	1.00x
💻 Local	Express	11.902s (-28.3% 🟢)	12.148s (-28.7% 🟢)	0.247s	8	1.00x
🐘 Postgres	Express	11.927s (-14.9% 🟢)	12.269s (-15.9% 🟢)	0.342s	8	1.00x
🐘 Postgres	Nitro	12.099s (-13.4% 🟢)	12.874s (-10.0% 🟢)	0.775s	7	1.02x
💻 Local	Next.js (Turbopack)	13.013s	13.453s	0.440s	7	1.09x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	33.937s (-91.4% 🟢)	36.428s (-90.8% 🟢)	2.491s	3	1.00x
▲ Vercel	Nitro	34.755s (-91.8% 🟢)	37.083s (-91.3% 🟢)	2.328s	3	1.02x
▲ Vercel	Express	35.139s (-71.0% 🟢)	37.084s (-70.0% 🟢)	1.945s	3	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.148s (-9.9% 🟢)	2.007s (~)	0.859s	15	1.00x
🐘 Postgres	Express	1.151s (-8.7% 🟢)	2.007s (~)	0.856s	15	1.00x
💻 Local	Nitro	1.172s (-28.1% 🟢)	2.006s (-3.3%)	0.833s	15	1.02x
💻 Local	Express	1.190s (-20.1% 🟢)	2.006s (~)	0.816s	15	1.04x
💻 Local	Next.js (Turbopack)	1.283s	2.006s	0.723s	15	1.12x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.490s (-11.6% 🟢)	4.112s (-4.9%)	1.622s	8	1.00x
▲ Vercel	Next.js (Turbopack)	2.612s (-23.1% 🟢)	4.372s (-11.4% 🟢)	1.759s	7	1.05x
▲ Vercel	Express	2.763s (-3.4%)	4.483s (-3.0%)	1.720s	7	1.11x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.191s (-49.3% 🟢)	2.007s (-33.3% 🟢)	0.816s	15	1.00x
🐘 Postgres	Express	1.207s (-48.9% 🟢)	2.006s (-33.3% 🟢)	0.799s	15	1.01x
💻 Local	Nitro	1.701s (-45.9% 🟢)	2.006s (-48.4% 🟢)	0.305s	15	1.43x
💻 Local	Express	1.705s (-42.2% 🟢)	2.006s (-41.9% 🟢)	0.300s	15	1.43x
💻 Local	Next.js (Turbopack)	1.918s	2.390s	0.473s	13	1.61x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.569s (-1.4%)	5.045s (-1.3%)	1.475s	6	1.00x
▲ Vercel	Next.js (Turbopack)	3.817s (-46.2% 🟢)	5.541s (-37.8% 🟢)	1.724s	6	1.07x
▲ Vercel	Nitro	4.274s (+5.5% 🔺)	6.106s (+3.1%)	1.831s	5	1.20x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.306s (-62.5% 🟢)	2.007s (-50.0% 🟢)	0.701s	15	1.00x
🐘 Postgres	Nitro	1.316s (-62.2% 🟢)	2.007s (-49.9% 🟢)	0.691s	15	1.01x
💻 Local	Nitro	4.572s (-45.2% 🟢)	5.013s (-44.4% 🟢)	0.440s	6	3.50x
💻 Local	Next.js (Turbopack)	4.651s	5.178s	0.527s	6	3.56x
💻 Local	Express	4.840s (-42.0% 🟢)	5.344s (-40.8% 🟢)	0.504s	6	3.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.505s (+84.5% 🔺)	8.868s (+60.2% 🔺)	2.363s	4	1.00x
▲ Vercel	Next.js (Turbopack)	7.057s (-20.8% 🟢)	9.256s (-15.6% 🟢)	2.198s	4	1.08x
▲ Vercel	Express	7.452s (+75.7% 🔺)	9.355s (+52.7% 🔺)	1.903s	4	1.15x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.141s (-9.2% 🟢)	2.007s (~)	0.866s	15	1.00x
🐘 Postgres	Nitro	1.143s (-9.1% 🟢)	2.007s (~)	0.865s	15	1.00x
💻 Local	Next.js (Turbopack)	1.326s	2.006s	0.680s	15	1.16x
💻 Local	Nitro	1.371s (-26.5% 🟢)	2.006s (-14.3% 🟢)	0.635s	15	1.20x
💻 Local	Express	1.394s (-26.4% 🟢)	2.006s (-15.1% 🟢)	0.612s	15	1.22x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.841s (+15.6% 🔺)	4.870s (+16.8% 🔺)	2.029s	7	1.00x
▲ Vercel	Express	2.903s (+12.5% 🔺)	4.623s (+6.3% 🔺)	1.721s	7	1.02x
▲ Vercel	Next.js (Turbopack)	3.104s (+5.9% 🔺)	4.656s (~)	1.552s	7	1.09x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.199s (-48.8% 🟢)	2.008s (-33.3% 🟢)	0.809s	15	1.00x
🐘 Postgres	Express	1.215s (-48.1% 🟢)	2.007s (-33.3% 🟢)	0.792s	15	1.01x
💻 Local	Nitro	1.911s (-37.7% 🟢)	2.315s (-40.4% 🟢)	0.404s	13	1.59x
💻 Local	Next.js (Turbopack)	1.994s	2.507s	0.513s	12	1.66x
💻 Local	Express	2.029s (-35.2% 🟢)	2.508s (-33.3% 🟢)	0.479s	12	1.69x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.359s (+5.2% 🔺)	5.094s (+6.3% 🔺)	1.735s	6	1.00x
▲ Vercel	Nitro	3.647s (+12.8% 🔺)	5.685s (+12.0% 🔺)	2.037s	6	1.09x
▲ Vercel	Next.js (Turbopack)	3.735s (+18.9% 🔺)	5.617s (+24.2% 🔺)	1.882s	6	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.309s (-62.4% 🟢)	2.008s (-49.9% 🟢)	0.698s	15	1.00x
🐘 Postgres	Express	1.321s (-62.3% 🟢)	2.007s (-50.0% 🟢)	0.686s	15	1.01x
💻 Local	Nitro	4.758s (-48.0% 🟢)	5.345s (-46.7% 🟢)	0.587s	6	3.63x
💻 Local	Next.js (Turbopack)	4.939s	5.514s	0.575s	6	3.77x
💻 Local	Express	5.613s (-36.2% 🟢)	6.215s (-33.0% 🟢)	0.603s	5	4.29x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.579s (+9.5% 🔺)	7.797s (+14.4% 🔺)	2.219s	4	1.00x
▲ Vercel	Next.js (Turbopack)	5.700s (-15.6% 🟢)	7.626s (-10.8% 🟢)	1.926s	4	1.02x
▲ Vercel	Express	6.002s (-6.5% 🟢)	8.284s (+1.3%)	2.283s	4	1.08x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.424s (-48.3% 🟢)	1.007s (~)	0.583s	60	1.00x
🐘 Postgres	Express	0.458s (-45.4% 🟢)	1.006s (-1.6%)	0.549s	60	1.08x
💻 Local	Nitro	0.463s (-52.8% 🟢)	1.004s (-8.2% 🟢)	0.541s	60	1.09x
💻 Local	Express	0.487s (-50.5% 🟢)	1.004s (-6.7% 🟢)	0.517s	60	1.15x
💻 Local	Next.js (Turbopack)	0.726s	1.005s	0.279s	60	1.71x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	5.114s (-73.1% 🟢)	6.799s (-68.1% 🟢)	1.685s	9	1.00x
▲ Vercel	Next.js (Turbopack)	5.418s (-62.6% 🟢)	7.247s (-54.9% 🟢)	1.830s	9	1.06x
▲ Vercel	Nitro	5.603s (-74.6% 🟢)	7.660s (-68.1% 🟢)	2.058s	8	1.10x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.007s (-47.7% 🟢)	1.370s (-34.8% 🟢)	0.363s	66	1.00x
🐘 Postgres	Express	1.018s (-48.5% 🟢)	1.385s (-38.7% 🟢)	0.367s	66	1.01x
💻 Local	Nitro	1.169s (-61.5% 🟢)	2.006s (-46.6% 🟢)	0.836s	45	1.16x
💻 Local	Express	1.298s (-57.0% 🟢)	2.122s (-40.8% 🟢)	0.824s	43	1.29x
💻 Local	Next.js (Turbopack)	1.803s	2.005s	0.202s	45	1.79x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	14.578s (-57.8% 🟢)	16.586s (-54.9% 🟢)	2.009s	6	1.00x
▲ Vercel	Nitro	14.668s (-62.9% 🟢)	17.481s (-57.7% 🟢)	2.813s	6	1.01x
▲ Vercel	Next.js (Turbopack)	14.781s (-70.3% 🟢)	16.992s (-67.1% 🟢)	2.211s	6	1.01x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.003s (-51.2% 🟢)	2.420s (-47.4% 🟢)	0.416s	51	1.00x
🐘 Postgres	Express	2.005s (-49.8% 🟢)	2.427s (-44.4% 🟢)	0.422s	50	1.00x
💻 Local	Express	2.645s (-71.3% 🟢)	3.008s (-70.0% 🟢)	0.363s	40	1.32x
💻 Local	Nitro	2.646s (-71.5% 🟢)	3.008s (-70.0% 🟢)	0.361s	40	1.32x
💻 Local	Next.js (Turbopack)	3.842s	4.074s	0.233s	30	1.92x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	40.550s (-68.8% 🟢)	41.769s (-68.4% 🟢)	1.219s	3	1.00x
▲ Vercel	Nitro	40.612s (-58.1% 🟢)	43.269s (-56.0% 🟢)	2.657s	3	1.00x
▲ Vercel	Next.js (Turbopack)	44.844s (-58.1% 🟢)	46.862s (-57.0% 🟢)	2.018s	3	1.11x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.176s (-37.9% 🟢)	1.006s (~)	0.830s	60	1.00x
🐘 Postgres	Express	0.180s (-36.2% 🟢)	1.006s (~)	0.826s	60	1.02x
💻 Local	Nitro	0.418s (-30.9% 🟢)	1.004s (-1.7%)	0.586s	60	2.38x
💻 Local	Express	0.427s (-23.7% 🟢)	1.004s (~)	0.577s	60	2.43x
💻 Local	Next.js (Turbopack)	0.548s	1.004s	0.456s	60	3.11x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.123s (+27.8% 🔺)	4.306s (+28.5% 🔺)	2.183s	14	1.00x
▲ Vercel	Express	2.296s (+17.5% 🔺)	4.084s (+12.3% 🔺)	1.788s	15	1.08x
▲ Vercel	Next.js (Turbopack)	2.508s (+24.0% 🔺)	4.499s (+18.6% 🔺)	1.991s	14	1.18x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.298s (-40.0% 🟢)	1.006s (~)	0.708s	90	1.00x
🐘 Postgres	Express	0.299s (-41.3% 🟢)	1.006s (~)	0.707s	90	1.00x
💻 Local	Express	2.142s (-14.8% 🟢)	2.766s (-8.1% 🟢)	0.624s	33	7.19x
💻 Local	Nitro	2.149s (-15.3% 🟢)	2.655s (-11.8% 🟢)	0.506s	34	7.21x
💻 Local	Next.js (Turbopack)	2.194s	3.042s	0.848s	30	7.36x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	8.327s (+135.5% 🔺)	10.429s (+100.8% 🔺)	2.102s	9	1.00x
▲ Vercel	Nitro	8.440s (+161.6% 🔺)	10.319s (+114.0% 🔺)	1.879s	10	1.01x
▲ Vercel	Express	8.719s (+186.2% 🔺)	10.506s (+118.5% 🔺)	1.787s	9	1.05x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.589s (-25.5% 🟢)	1.007s (~)	0.418s	120	1.00x
🐘 Postgres	Express	0.622s (-24.1% 🟢)	1.006s (-1.1%)	0.384s	120	1.06x
💻 Local	Nitro	9.606s (-14.2% 🟢)	10.276s (-11.9% 🟢)	0.670s	12	16.31x
💻 Local	Express	9.692s (-13.4% 🟢)	10.277s (-13.9% 🟢)	0.585s	12	16.45x
💻 Local	Next.js (Turbopack)	11.031s	11.665s	0.635s	11	18.72x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	26.955s (+263.3% 🔺)	28.765s (+211.2% 🔺)	1.810s	5	1.00x
▲ Vercel	Nitro	29.523s (+282.3% 🔺)	31.980s (+240.2% 🔺)	2.457s	4	1.10x
▲ Vercel	Next.js (Turbopack)	170.642s (+1552.3% 🔺)	172.804s (+1306.5% 🔺)	2.162s	2	6.33x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.135s (+453.1% 🔺)	1.996s (+99.9% 🔺)	0.001s (-12.5% 🟢)	2.011s (+98.8% 🔺)	0.876s	10	1.00x
🐘 Postgres	Nitro	1.135s (+453.5% 🔺)	1.994s (+99.4% 🔺)	0.001s (-26.7% 🟢)	2.009s (+98.7% 🔺)	0.875s	10	1.00x
💻 Local	Nitro	1.135s (+431.2% 🔺)	2.005s (+99.6% 🔺)	0.010s (-19.2% 🟢)	2.017s (+98.0% 🔺)	0.882s	10	1.00x
💻 Local	Express	1.138s (+471.5% 🔺)	2.005s (+99.6% 🔺)	0.010s (-14.0% 🟢)	2.017s (+98.2% 🔺)	0.880s	10	1.00x
💻 Local	Next.js (Turbopack)	1.176s	2.003s	0.010s	2.018s	0.841s	10	1.04x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.213s (-67.7% 🟢)	3.682s (-57.4% 🟢)	1.622s (+156.7% 🔺)	5.825s (-40.5% 🟢)	3.612s	10	1.00x
▲ Vercel	Nitro	2.236s (-41.6% 🟢)	3.736s (-29.2% 🟢)	1.418s (+91.1% 🔺)	5.715s (-11.9% 🟢)	3.478s	10	1.01x
▲ Vercel	Express	2.305s (-8.0% 🟢)	3.358s (-17.9% 🟢)	1.915s (+99.3% 🔺)	5.735s (+2.6%)	3.430s	10	1.04x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.503s (+140.7% 🔺)	2.000s (+98.7% 🔺)	0.004s (-4.9%)	2.026s (+98.1% 🔺)	0.523s	30	1.00x
🐘 Postgres	Express	1.514s (+140.3% 🔺)	2.005s (+99.2% 🔺)	0.004s (+3.6%)	2.026s (+98.0% 🔺)	0.512s	30	1.01x
💻 Local	Next.js (Turbopack)	1.672s	2.011s	0.009s	2.023s	0.351s	30	1.11x
💻 Local	Nitro	1.690s (+101.5% 🔺)	2.012s (+98.8% 🔺)	0.010s (+4.4%)	2.203s (+97.4% 🔺)	0.513s	28	1.12x
💻 Local	Express	1.694s (+123.8% 🔺)	2.011s (+95.5% 🔺)	0.010s (+2.4%)	2.202s (+111.7% 🔺)	0.507s	28	1.13x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	5.827s (-80.2% 🟢)	7.605s (-75.3% 🟢)	0.497s (+343.4% 🔺)	8.728s (-72.5% 🟢)	2.902s	7	1.00x
▲ Vercel	Next.js (Turbopack)	5.904s (-65.1% 🟢)	7.916s (-56.6% 🟢)	0.835s (+295.5% 🔺)	9.367s (-50.5% 🟢)	3.463s	7	1.01x
▲ Vercel	Express	6.040s (-7.1% 🟢)	7.127s (-11.0% 🟢)	0.590s (+44.4% 🔺)	8.169s (-7.5% 🟢)	2.129s	8	1.04x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.659s (-31.4% 🟢)	1.030s (-19.4% 🟢)	0.000s (-20.7% 🟢)	1.042s (-20.3% 🟢)	0.383s	58	1.00x
🐘 Postgres	Nitro	0.679s (-29.9% 🟢)	1.046s (-16.2% 🟢)	0.000s (-17.2% 🟢)	1.061s (-15.7% 🟢)	0.382s	58	1.03x
💻 Local	Nitro	1.340s (+9.6% 🔺)	2.016s (~)	0.001s (+433.3% 🔺)	2.019s (~)	0.678s	30	2.03x
💻 Local	Express	1.363s (+11.2% 🔺)	2.015s (~)	0.000s (-40.0% 🟢)	2.017s (~)	0.654s	30	2.07x
💻 Local	Next.js (Turbopack)	1.500s	2.014s	0.000s	2.017s	0.518s	30	2.28x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.642s (-2.6%)	4.970s (-2.6%)	0.000s (+129.2% 🔺)	5.427s (-1.9%)	1.785s	12	1.00x
▲ Vercel	Nitro	3.695s (+21.1% 🔺)	5.012s (+14.1% 🔺)	0.000s (+136.4% 🔺)	5.632s (+17.1% 🔺)	1.937s	11	1.01x
▲ Vercel	Next.js (Turbopack)	34.057s (+234.5% 🔺)	35.593s (+209.0% 🔺)	0.000s (NaN%)	36.198s (+200.4% 🔺)	2.141s	10	9.35x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.327s (-25.1% 🟢)	2.033s (-6.7% 🟢)	0.000s (+Infinity% 🔺)	2.073s (-5.7% 🟢)	0.747s	29	1.00x
🐘 Postgres	Nitro	1.355s (-24.4% 🟢)	2.142s (~)	0.000s (~)	2.158s (-0.8%)	0.803s	28	1.02x
💻 Local	Next.js (Turbopack)	2.854s	3.293s	0.000s	3.297s	0.443s	19	2.15x
💻 Local	Nitro	3.107s (-8.3% 🟢)	3.780s (-6.3% 🟢)	0.001s (+28.9% 🔺)	3.784s (-6.3% 🟢)	0.677s	16	2.34x
💻 Local	Express	3.243s (-6.5% 🟢)	3.967s (-1.7%)	0.000s (-45.3% 🟢)	3.970s (-1.6%)	0.727s	16	2.44x
🐘 Postgres	Next.js (Turbopack)	⚠️missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	55.980s (+1120.3% 🔺)	56.906s (+844.9% 🔺)	0.000s (NaN%)	57.366s (+788.4% 🔺)	1.386s	6	1.00x
▲ Vercel	Nitro	66.440s (+1523.0% 🔺)	68.286s (+1170.6% 🔺)	0.002s (+633.3% 🔺)	68.815s (+1087.7% 🔺)	2.375s	5	1.19x
▲ Vercel	Next.js (Turbopack)	158.642s (+2724.5% 🔺)	160.729s (+2202.1% 🔺)	0.000s (-100.0% 🟢)	161.252s (+2038.6% 🔺)	2.610s	2	2.83x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	13/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Express	9/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Next.js (Turbopack)	💻 Local	21/21
Nitro	🐘 Postgres	17/21

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)
• 🌐 Redis: Community world (local development)
• 🌐 Redis + BullMQ: Community world (local development)
• 🌐 Cloudflare: Community world (local development)
• 🌐 MySQL: Community world (local development)
• 🌐 Azure: Community world (local development)
• 🌐 NATS JetStream: Community world (local development)
• 🌐 Upstash: Community world (local development)

---

📋 View full workflow run

[github-actions]

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1200	0	219	1419
✅ 💻 Local Development	1587	0	219	1806
✅ 📦 Local Production	1587	0	219	1806
✅ 🐘 Local Postgres	1587	0	219	1806
✅ 🪟 Windows	129	0	0	129
✅ 📋 Other	727	0	176	903
Total	6817	0	1052	7869

Details by Category

✅ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	103	0	26
✅ example	103	0	26
✅ express	103	0	26
✅ fastify	103	0	26
✅ hono	103	0	26
✅ nextjs-turbopack	127	0	2
✅ nextjs-webpack	127	0	2
✅ nitro	103	0	26
✅ nuxt	103	0	26
✅ sveltekit	122	0	7
✅ vite	103	0	26

✅ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🐘 Local Postgres

App	Passed	Failed	Skipped
✅ astro-stable	104	0	25
✅ express-stable	104	0	25
✅ fastify-stable	104	0	25
✅ hono-stable	104	0	25
✅ nextjs-turbopack-canary	110	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	129	0	0
✅ nextjs-webpack-canary	110	0	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	129	0	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	129	0	0
✅ nitro-stable	104	0	25
✅ nuxt-stable	104	0	25
✅ sveltekit-stable	123	0	6
✅ vite-stable	104	0	25

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	129	0	0

✅ 📋 Other

App	Passed	Failed	Skipped
✅ e2e-local-dev-nest-stable	104	0	25
✅ e2e-local-dev-tanstack-start-	104	0	25
✅ e2e-local-postgres-nest-stable	104	0	25
✅ e2e-local-postgres-tanstack-start-	104	0	25
✅ e2e-local-prod-nest-stable	104	0	25
✅ e2e-local-prod-tanstack-start-	104	0	25
✅ e2e-vercel-prod-tanstack-start	103	0	26

---

📋 View full workflow run

[karthikscale3]

Verified the diff with my agent. LGTM

[github-actions]

No backport to stable for 753e39e (AI decision).

This commit fixes a bug in packages/web-shared/src/components/new-trace-viewer/components/timeline.tsx, but the entire new-trace-viewer/ directory does not exist on stable (only the older trace-viewer/ is present). The fix builds on a component that is main-only, so there is nothing on stable to backport to.

To override, re-run the Backport to stable workflow manually via workflow_dispatch with this commit SHA.