Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695

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VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
mainfrom
ctate/fix-durable-agent-finish-reason

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@ctate

@ctatectate commented Dec 28, 2025

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Users were encountering the following error when using DurableAgent with AI SDK v6:

Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.

Solution

  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered

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🦋 Changeset detected

Latest commit: 270e3ef

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

This PR includes changesets to release 1 package
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📊 Benchmark Results

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

workflow with no steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x

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

workflow with 1 step

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x

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

workflow with 10 sequential steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x

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

Promise.all with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x

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

Promise.all with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x

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

Promise.race with 10 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x

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

Promise.race with 25 concurrent steps

💻 Local Development

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x

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

Stream Benchmarks(includes TTFB metrics)
workflow with stream

💻 Local Development

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x

▲ Production (Vercel)

WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework

Winner determined by most benchmark wins

Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)

📋 View full workflow run

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🧪 E2E Test Results

❌ Some tests failed

Summary

PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227

❌ Failed Tests

▲ Vercel Production (8 failed)

hono (8 failed):

  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)

nextjs-turbopack (27 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)

mongodb-dev (3 failed):

  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file

mongodb (27 failed):

  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter

starter (8 failed):

  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step

turso (1 failed):

  • webhookWorkflow

Details by Category

❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610

📋 View full workflow run

❌ Some E2E test jobs failed:

  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure

Check the workflow run for details.

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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged

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270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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VaguelySerious merged commit 25bfa52 into mainDec 28, 2025
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VaguelySerious deleted the ctate/fix-durable-agent-finish-reason branch December 28, 2025 17:00
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Shipped in @workflow/ai@4.0.1-beta.38

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@ctate@VaguelySerious@TooTallNate
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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Not sure what this means? Click here to learn what changesets are.
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
Merged
Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
Merged
Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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@ctate@VaguelySerious@TooTallNate

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
Merged
Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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🦋 Changeset detected
Latest commit: 270e3ef
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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December 28, 2025 16:56
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
@VaguelySerious
Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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Shipped in @workflow/ai@4.0.1-beta.38
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@ctate@VaguelySerious@TooTallNate

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility - #695
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ctate/fix-durable-agent-finish-reason
Dec 28, 2025
Merged
Fix: Handle object-style finishReason for AI SDK v5/v6 compatibility#695
VaguelySerious merged 10 commits into
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ctate/fix-durable-agent-finish-reason
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@ctate
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Users were encountering the following error when using DurableAgent with AI SDK v6:
Error: Unexpected finish reason: [object Object]
at streamTextIterator (stream-text-iterator.ts:327:12)

This occurred because AI SDK v6 (or certain providers) may return finishReason as an object with a type property (e.g., { type: 'stop' }) rather than a plain string like 'stop' as in AI SDK v5.
Solution
  • Added normalization logic in stream-text-iterator.ts and do-stream-step.ts to handle both formats
  • Uses the AI SDK's FinishReason type directly from the ai package, ensuring 1:1 type compatibility with whichever version the consuming app uses (v5 or v6)
  • Improved error messaging to show the actual object value via JSON.stringify when an unexpected finish reason is encountered
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📊 Benchmark Results
📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.
workflow with no steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.039s (+7.2% 🔺)1.014s (~)0.975s101.00x
🌐 RedisNext.js (Turbopack)0.040s (-0.7%)1.017s (~)0.977s101.04x
💻 LocalNitro0.043s (~)1.006s (~)0.963s101.12x
💻 LocalExpress0.043s (~)1.007s (~)0.964s101.12x
💻 LocalNext.js (Turbopack)0.044s (+16.2% 🔺)1.019s (~)0.975s101.13x
🌐 TursoNext.js (Turbopack)0.098s (+22.3% 🔺)1.015s (~)0.917s102.54x
🌐 MongoDBNext.js (Turbopack)0.120s (+133.0% 🔺)1.016s (~)0.896s103.11x
🐘 PostgresNitro0.198s (-33.6% 🟢)1.024s (+1.2%)0.826s105.14x
🐘 PostgresExpress0.363s (+23.8% 🔺)1.014s (-0.5%)0.651s109.40x
🐘 PostgresNext.js (Turbopack)0.372s (+4.8%)1.022s (~)0.650s109.64x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro0.584s (-0.6%)1.530s (+2.8%)0.947s101.00x
▲ VercelNext.js (Turbopack)0.614s (+14.9% 🔺)1.605s (-0.6%)0.991s101.05x
▲ VercelExpress0.632s (+28.0% 🔺)1.753s (+27.6% 🔺)1.122s101.08x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
workflow with 1 step
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.092s (+1.1%)2.009s (~)0.918s101.00x
💻 LocalNext.js (Turbopack)1.100s (+0.6%)2.011s (~)0.911s101.01x
🌐 RedisNext.js (Turbopack)1.101s (~)2.013s (~)0.912s101.01x
💻 LocalExpress1.112s (~)2.007s (~)0.895s101.02x
💻 LocalNitro1.114s (~)2.006s (~)0.892s101.02x
🌐 MongoDBNext.js (Turbopack)1.278s (-1.2%)2.015s (~)0.736s101.17x
🌐 TursoNext.js (Turbopack)1.284s (~)2.012s (~)0.728s101.18x
🐘 PostgresNext.js (Turbopack)1.598s (-31.5% 🟢)2.015s (-33.2% 🟢)0.417s101.46x
🐘 PostgresExpress2.211s (+2.5%)3.015s (~)0.804s102.03x
🐘 PostgresNitro2.365s (+9.7% 🔺)3.013s (~)0.648s102.17x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)2.648s (-1.0%)3.697s (~)1.049s101.00x
▲ VercelExpress2.745s (+1.6%)3.734s (+3.7%)0.989s101.04x
▲ VercelNitro2.779s (+11.6% 🔺)3.625s (~)0.846s101.05x
🔍 Observability: Next.js (Turbopack) | Express | Nitro
workflow with 10 sequential steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)10.612s (~)11.011s (~)0.399s51.00x
🌐 RedisNext.js (Turbopack)10.693s (~)11.021s (~)0.328s51.01x
💻 LocalNext.js (Turbopack)10.698s (+0.6%)11.022s (~)0.324s51.01x
💻 LocalExpress10.781s (~)11.011s (~)0.231s51.02x
💻 LocalNitro10.793s (~)11.012s (~)0.219s51.02x
🌐 MongoDBNext.js (Turbopack)12.126s (-0.5%)12.630s (-3.0%)0.505s51.14x
🌐 TursoNext.js (Turbopack)12.189s (~)13.023s (~)0.834s51.15x
🐘 PostgresNext.js (Turbopack)14.249s (-18.9% 🟢)15.040s (-17.5% 🟢)0.790s51.34x
🐘 PostgresExpress20.337s (-0.6%)21.036s (~)0.699s51.92x
🐘 PostgresNitro20.372s (-0.5%)21.037s (~)0.664s51.92x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express21.491s (+1.1%)22.413s (+2.0%)0.921s51.00x
▲ VercelNitro21.547s (+1.5%)22.424s (+1.9%)0.877s51.00x
▲ VercelNext.js (Turbopack)21.792s (+1.2%)22.753s (+1.1%)0.961s51.01x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.350s (+0.9%)2.007s (~)0.657s151.00x
🌐 RedisNext.js (Turbopack)1.371s (~)2.011s (~)0.640s151.02x
💻 LocalNext.js (Turbopack)1.398s (~)2.012s (~)0.614s151.04x
💻 LocalExpress1.399s (-1.0%)2.005s (~)0.606s151.04x
💻 LocalNitro1.412s (~)2.006s (~)0.594s151.05x
🐘 PostgresNext.js (Turbopack)1.820s (-7.2% 🟢)2.015s (-3.1%)0.194s151.35x
🌐 MongoDBNext.js (Turbopack)2.131s (-1.4%)3.017s (~)0.887s101.58x
🌐 TursoNext.js (Turbopack)2.227s (+5.0%)3.013s (~)0.786s101.65x
🐘 PostgresExpress2.380s (~)3.014s (~)0.633s101.76x
🐘 PostgresNitro2.582s (+8.7% 🔺)3.015s (~)0.433s101.91x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.782s (+3.5%)3.715s (+3.1%)0.933s91.00x
▲ VercelNitro3.002s (+6.5% 🔺)3.732s (-2.9%)0.730s91.08x
▲ VercelNext.js (Turbopack)3.399s (+15.5% 🔺)4.296s (+9.7% 🔺)0.897s81.22x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Promise.all with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.146s (+4.6%)3.030s (+4.3%)0.884s101.00x
💻 LocalExpress2.198s (-1.8%)3.158s (-0.7%)0.960s101.02x
💻 LocalNitro2.229s (-0.8%)3.192s (~)0.964s101.04x
🌐 StarterNext.js (Turbopack)2.461s (~)3.010s (~)0.549s101.15x
🌐 RedisNext.js (Turbopack)2.508s (+0.6%)3.026s (~)0.518s101.17x
🐘 PostgresNext.js (Turbopack)2.553s (-4.2%)3.022s (~)0.469s101.19x
🐘 PostgresExpress2.710s (-11.4% 🟢)3.026s (-18.2% 🟢)0.316s101.26x
🐘 PostgresNitro3.127s (+6.8% 🔺)3.775s (+13.7% 🔺)0.649s81.46x
🌐 TursoNext.js (Turbopack)4.645s (~)5.181s (~)0.535s62.16x
🌐 MongoDBNext.js (Turbopack)4.790s (+4.7%)5.187s (~)0.397s62.23x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Next.js (Turbopack)3.289s (-12.1% 🟢)3.715s (-14.2% 🟢)0.427s91.00x
▲ VercelNitro3.311s (-7.8% 🟢)3.960s (-6.2% 🟢)0.649s81.01x
▲ VercelExpress3.520s (+6.0% 🔺)4.386s (+11.3% 🔺)0.866s71.07x
🔍 Observability: Next.js (Turbopack) | Nitro | Express
Promise.race with 10 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)1.344s (-2.0%)2.008s (~)0.664s151.00x
🌐 RedisNext.js (Turbopack)1.379s (+1.2%)2.011s (~)0.632s151.03x
💻 LocalExpress1.412s (-1.2%)2.006s (~)0.594s151.05x
💻 LocalNext.js (Turbopack)1.418s (+3.0%)2.012s (~)0.594s151.06x
💻 LocalNitro1.424s (+0.9%)2.005s (~)0.581s151.06x
🐘 PostgresNext.js (Turbopack)1.708s (-2.8%)2.012s (~)0.304s151.27x
🐘 PostgresExpress1.910s (+0.6%)2.010s (-3.2%)0.101s151.42x
🐘 PostgresNitro1.930s (-2.4%)2.318s (+7.6% 🔺)0.388s131.44x
🌐 MongoDBNext.js (Turbopack)2.124s (~)3.016s (~)0.892s101.58x
🌐 TursoNext.js (Turbopack)2.224s (+4.7%)3.012s (~)0.788s101.66x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Nitro2.724s (+0.6%)3.678s (-2.6%)0.954s91.00x
▲ VercelNext.js (Turbopack)2.792s (-0.9%)3.731s (-4.2%)0.939s91.03x
▲ VercelExpress2.845s (+8.0% 🔺)3.906s (+11.0% 🔺)1.061s81.04x
🔍 Observability: Nitro | Next.js (Turbopack) | Express
Promise.race with 25 concurrent steps
💻 Local Development
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
💻 Local🥇 Next.js (Turbopack)2.142s (~)3.064s (+2.9%)0.923s101.00x
💻 LocalExpress2.191s (-5.9% 🟢)3.158s (-3.4%)0.967s101.02x
💻 LocalNitro2.322s (+2.7%)3.250s (+1.1%)0.928s101.08x
🌐 StarterNext.js (Turbopack)2.441s (~)3.009s (~)0.568s101.14x
🐘 PostgresNext.js (Turbopack)2.533s (+3.2%)3.032s (~)0.499s101.18x
🌐 RedisNext.js (Turbopack)2.540s (+2.6%)3.050s (+1.2%)0.510s101.19x
🐘 PostgresNitro2.634s (+2.0%)3.019s (~)0.386s101.23x
🐘 PostgresExpress2.734s (~)3.013s (~)0.278s101.28x
🌐 MongoDBNext.js (Turbopack)4.708s (-1.6%)5.184s (~)0.475s62.20x
🌐 TursoNext.js (Turbopack)4.724s (-2.3%)5.183s (-3.1%)0.459s62.21x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.956s (-8.2% 🟢)3.724s (+1.1%)0.768s91.00x
▲ VercelNitro3.087s (-3.5%)3.742s (-3.8%)0.654s91.04x
▲ VercelNext.js (Turbopack)3.104s (+0.6%)3.687s (-4.9%)0.583s91.05x
🔍 Observability: Express | Nitro | Next.js (Turbopack)
Stream Benchmarks(includes TTFB metrics)
workflow with stream
💻 Local Development
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
🌐 Starter🥇 Next.js (Turbopack)0.124s (-3.3%)1.005s (~)0.000s (+100.0% 🔺)1.013s (~)0.889s101.00x
💻 LocalNext.js (Turbopack)0.144s (+2.1%)1.003s (~)0.017s (+2.4%)1.029s (~)0.885s101.16x
🌐 RedisNext.js (Turbopack)0.145s (-1.4%)1.004s (~)0.000s (NaN%)1.014s (~)0.869s101.17x
💻 LocalExpress0.171s (-3.8%)0.992s (~)0.014s (-6.5% 🟢)1.021s (~)0.850s101.38x
💻 LocalNitro0.179s (+1.5%)0.992s (~)0.014s (-1.4%)1.021s (~)0.842s101.44x
🌐 TursoNext.js (Turbopack)0.466s (-9.2% 🟢)0.985s (+5.4% 🔺)0.000s (NaN%)1.013s (~)0.548s103.75x
🌐 MongoDBNext.js (Turbopack)0.479s (-9.3% 🟢)0.970s (+5.5% 🔺)0.000s (~)1.016s (~)0.537s103.87x
🐘 PostgresNext.js (Turbopack)0.811s (-44.3% 🟢)0.847s (-49.1% 🟢)0.001s (+Infinity% 🔺)1.018s (-49.5% 🟢)0.207s106.54x
🐘 PostgresNitro2.169s (-5.3% 🟢)2.877s (+4.5%)0.000s (-33.3% 🟢)3.014s (~)0.846s1017.49x
🐘 PostgresExpress2.335s (+2.4%)2.708s (-2.0%)0.000s (+Infinity% 🔺)3.016s (~)0.680s1018.83x
▲ Production (Vercel)
WorldFrameworkWorkflow TimeTTFBSlurpWall TimeOverheadSamplesvs Fastest
▲ Vercel🥇 Express2.668s (+4.7%)3.144s (+2.4%)0.363s (-21.2% 🟢)3.992s (+1.1%)1.324s101.00x
▲ VercelNext.js (Turbopack)2.778s (+7.2% 🔺)3.294s (+2.8%)0.368s (-72.5% 🟢)4.096s (-18.1% 🟢)1.317s101.04x
▲ VercelNitro2.854s (+5.2% 🔺)3.241s (+1.7%)0.384s (+11.3% 🔺)4.065s (+1.9%)1.211s101.07x
🔍 Observability: Express | Next.js (Turbopack) | Nitro
Summary
Fastest Framework by World
Winner determined by most benchmark wins
World🥇 Fastest FrameworkWins
💻 LocalNext.js (Turbopack)6/8
🐘 PostgresNext.js (Turbopack)7/8
▲ VercelExpress4/8
Fastest World by Framework
Winner determined by most benchmark wins
Framework🥇 Fastest WorldWins
Express💻 Local8/8
Next.js (Turbopack)🌐 Starter6/8
Nitro💻 Local8/8
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
  • 🌐 Starter: Community world (local development)
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
📋 View full workflow run
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
❌ ▲ Vercel Production278811297
✅ 💻 Local Development23508243
✅ 📦 Local Production26208270
✅ 🐘 Local Postgres26208270
❌ 🪟 Windows027027
❌ 🌍 Community Worlds81390120
Total111874351227
❌ Failed Tests
▲ Vercel Production (8 failed)
hono (8 failed):
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🪟 Windows (27 failed)
nextjs-turbopack (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
🌍 Community Worlds (39 failed)
mongodb-dev (3 failed):
  • dev e2e should rebuild on step change
  • dev e2e should rebuild on workflow change
  • dev e2e should rebuild on adding workflow file
mongodb (27 failed):
  • addTenWorkflow
  • addTenWorkflow
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • readableStreamWorkflow
  • hookWorkflow
  • webhookWorkflow
  • webhook route with invalid token
  • sleepingWorkflow
  • nullByteWorkflow
  • workflowAndStepMetadataWorkflow
  • outputStreamWorkflow
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions
  • fetchWorkflow
  • promiseRaceStressTestWorkflow
  • retryAttemptCounterWorkflow
  • retryableAndFatalErrorWorkflow
  • stepDirectCallWorkflow - calling step functions directly outside workflow context
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • closureVariableWorkflow - nested step functions with closure variables
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
  • health check endpoint - workflow and step endpoints respond to __health query parameter
starter (8 failed):
  • addTenWorkflow
  • addTenWorkflow
  • retryAttemptCounterWorkflow
  • crossFileErrorWorkflow - stack traces work across imported modules
  • hookCleanupTestWorkflow - hook token reuse after workflow completion
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars)
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step
turso (1 failed):
  • webhookWorkflow
Details by Category
❌ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro2601
✅ example2601
✅ express2601
✅ fastify2601
❌ hono1881
✅ nextjs-turbopack2601
✅ nextjs-webpack2601
✅ nitro2601
✅ nuxt2601
✅ sveltekit2601
✅ vite2601
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable2601
✅ express-stable2601
✅ fastify-stable2601
✅ hono-stable2601
✅ nextjs-turbopack-stable2700
✅ nextjs-webpack-stable2700
✅ nitro-stable2601
✅ nuxt-stable2601
✅ sveltekit-stable2601
✅ vite-stable2601
❌ 🪟 Windows
AppPassedFailedSkipped
❌ nextjs-turbopack0270
❌ 🌍 Community Worlds
AppPassedFailedSkipped
❌ mongodb-dev030
❌ mongodb0270
✅ redis-dev300
✅ redis2700
✅ starter-dev300
❌ starter1980
✅ turso-dev300
❌ turso2610
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: failure
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: failure
Check the workflow run for details.
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I'm taking over responsibility for merging this code as if I wrote it (saying this to indicate that my DCO rights should apply to this code), so I can get this merged
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Changeset
270e3ef
Signed-off-by: Peter Wielander <mittgfu@gmail.com>
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