[world-vercel] Allow specifying backend URL via env variable by VaguelySerious · Pull Request #985 · vercel/workflow

VaguelySerious · 2026-02-09T19:43:27Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-02-09T19:43:33Z

🦋 Changeset detected

Latest commit: b01aef8

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

This PR includes changesets to release 15 packages

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

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

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

github-actions · 2026-02-09T19:43:51Z

🧪 E2E Test Results

❌ Some tests failed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	490	0	38	528
✅ 💻 Local Development	418	0	62	480
✅ 📦 Local Production	418	0	62	480
✅ 🐘 Local Postgres	418	0	62	480
✅ 🪟 Windows	45	0	3	48
❌ 🌍 Community Worlds	106	41	9	156
✅ 📋 Other	123	0	21	144
Total	2018	41	257	2316

❌ Failed Tests

🌍 Community Worlds (41 failed)

turso (41 failed):

addTenWorkflow
addTenWorkflow
should work with react rendering in step
promiseAllWorkflow
promiseRaceWorkflow
promiseAnyWorkflow
hookWorkflow
webhookWorkflow
sleepingWorkflow
nullByteWorkflow
workflowAndStepMetadataWorkflow
fetchWorkflow
promiseRaceStressTestWorkflow
error handling error propagation workflow errors nested function calls preserve message and stack trace
error handling error propagation workflow errors cross-file imports preserve message and stack trace
error handling error propagation step errors basic step error preserves message and stack trace
error handling error propagation step errors cross-file step error preserves message and function names in stack
error handling retry behavior regular Error retries until success
error handling retry behavior FatalError fails immediately without retries
error handling retry behavior RetryableError respects custom retryAfter delay
error handling retry behavior maxRetries=0 disables retries
error handling catchability FatalError can be caught and detected with FatalError.is()
hookCleanupTestWorkflow - hook token reuse after workflow completion
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously
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 (queue-based) - workflow and step endpoints respond to health check messages
pathsAliasWorkflow - TypeScript path aliases resolve correctly
Calculator.calculate - static workflow method using static step methods from another class
AllInOneService.processNumber - static workflow method using sibling static step methods
ChainableService.processWithThis - static step methods using this to reference the class
thisSerializationWorkflow - step function invoked with .call() and .apply()
customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE
instanceMethodStepWorkflow - instance methods with "use step" directive
crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context
stepFunctionAsStartArgWorkflow - step function reference passed as start() argument
pages router addTenWorkflow via pages router
pages router promiseAllWorkflow via pages router
pages router sleepingWorkflow via pages router

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	44	4
✅ example	44	4
✅ express	44	4
✅ fastify	44	4
✅ hono	44	4
✅ nextjs-turbopack	47	1
✅ nextjs-webpack	47	1
✅ nitro	44	4
✅ nuxt	44	4
✅ sveltekit	44	4
✅ vite	44	4

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	41	7
✅ express-stable	41	7
✅ fastify-stable	41	7
✅ hono-stable	41	7
✅ nextjs-turbopack-stable	45	3
✅ nextjs-webpack-stable	45	3
✅ nitro-stable	41	7
✅ nuxt-stable	41	7
✅ sveltekit-stable	41	7
✅ vite-stable	41	7

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	41	7
✅ express-stable	41	7
✅ fastify-stable	41	7
✅ hono-stable	41	7
✅ nextjs-turbopack-stable	45	3
✅ nextjs-webpack-stable	45	3
✅ nitro-stable	41	7
✅ nuxt-stable	41	7
✅ sveltekit-stable	41	7
✅ vite-stable	41	7

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	41	7
✅ express-stable	41	7
✅ fastify-stable	41	7
✅ hono-stable	41	7
✅ nextjs-turbopack-stable	45	3
✅ nextjs-webpack-stable	45	3
✅ nitro-stable	41	7
✅ nuxt-stable	41	7
✅ sveltekit-stable	41	7
✅ vite-stable	41	7

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	45	0	3

❌ 🌍 Community Worlds

App	Passed	Failed	Skipped
✅ mongodb-dev	3	0	0
✅ mongodb	45	0	3
✅ redis-dev	3	0	0
✅ redis	45	0	3
✅ starter-dev	3	0	0
✅ turso-dev	3	0	0
❌ turso	4	41	3

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	41	7
✅ e2e-local-postgres-nest-stable	41	7
✅ e2e-local-prod-nest-stable	41	7

📋 View full workflow run

vercel · 2026-02-09T20:14:37Z

Deployment failed with the following error:

Creating the Deployment Timed Out.

vercel · 2026-02-09T20:17:05Z

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

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	Feb 9, 2026 9:35pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Feb 9, 2026 9:35pm
example-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-astro-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-express-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-fastify-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-hono-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-nitro-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-nuxt-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workbench-vite-workflow	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workflow-docs	Ready	Preview, Comment, Open in v0	Feb 9, 2026 9:35pm
workflow-nest	Ready	Preview, Comment	Feb 9, 2026 9:35pm
workflow-swc-playground	Ready	Preview, Comment	Feb 9, 2026 9:35pm

github-actions · 2026-02-09T20:17:25Z

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	0.032s (-0.6%)	1.005s (~)	0.972s	10	1.00x
💻 Local	Express	0.035s (-0.6%)	1.005s (~)	0.970s	10	1.07x
🐘 Postgres	Express	0.175s (-56.8% 🟢)	1.009s (-1.2%)	0.834s	10	5.46x
🐘 Postgres	Nitro	0.337s (+52.1% 🔺)	1.020s (+1.0%)	0.683s	10	10.49x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.788s (-13.8% 🟢)	2.690s (+13.3% 🔺)	1.902s	10	1.00x
▲ Vercel	Next.js (Turbopack)	0.924s (-5.3% 🟢)	2.747s (-1.2%)	1.823s	10	1.17x
▲ Vercel	Nitro	0.977s (+8.0% 🔺)	2.758s (+14.2% 🔺)	1.781s	10	1.24x

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

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.106s (~)	2.006s (~)	0.900s	10	1.00x
💻 Local	Nitro	1.109s (~)	2.006s (~)	0.896s	10	1.00x
🐘 Postgres	Nitro	2.316s (-5.8% 🟢)	3.013s (~)	0.697s	10	2.09x
🐘 Postgres	Express	2.458s (+8.9% 🔺)	3.013s (~)	0.555s	10	2.22x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.837s (+3.9%)	4.166s (+2.1%)	1.329s	10	1.00x
▲ Vercel	Express	2.999s (+12.5% 🔺)	4.184s (+17.0% 🔺)	1.184s	10	1.06x
▲ Vercel	Nitro	3.118s (+19.6% 🔺)	4.440s (+16.5% 🔺)	1.321s	10	1.10x

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

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	10.814s (~)	11.021s (~)	0.207s	3	1.00x
💻 Local	Nitro	10.861s (~)	11.021s (~)	0.160s	3	1.00x
🐘 Postgres	Nitro	18.920s (-7.0% 🟢)	19.551s (-7.2% 🟢)	0.631s	2	1.75x
🐘 Postgres	Express	20.328s (+1.1%)	21.057s (~)	0.728s	2	1.88x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	20.236s (+3.8%)	21.574s (+5.5% 🔺)	1.338s	2	1.00x
▲ Vercel	Nitro	20.448s (+4.5%)	21.882s (+3.3%)	1.434s	2	1.01x
▲ Vercel	Express	21.383s (+7.5% 🔺)	22.661s (+6.5% 🔺)	1.278s	2	1.06x

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

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	27.435s (~)	28.051s (~)	0.615s	3	1.00x
💻 Local	Nitro	27.516s (~)	28.052s (~)	0.536s	3	1.00x
🐘 Postgres	Nitro	43.245s (-14.2% 🟢)	43.604s (-14.7% 🟢)	0.359s	2	1.58x
🐘 Postgres	Express	44.852s (-11.0% 🟢)	45.609s (-10.8% 🟢)	0.756s	2	1.63x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	49.667s (-2.0%)	51.406s (-1.8%)	1.739s	2	1.00x
▲ Vercel	Nitro	49.842s (+2.0%)	51.388s (+1.6%)	1.546s	2	1.00x
▲ Vercel	Express	50.394s (+3.7%)	51.694s (+3.1%)	1.300s	2	1.01x

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

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	57.114s (~)	57.595s (~)	0.482s	2	1.00x
💻 Local	Nitro	57.212s (~)	58.105s (~)	0.894s	2	1.00x
🐘 Postgres	Express	75.290s (-25.1% 🟢)	76.168s (-24.8% 🟢)	0.877s	2	1.32x
🐘 Postgres	Nitro	75.372s (-24.9% 🟢)	76.155s (-24.8% 🟢)	0.783s	2	1.32x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	104.877s (-0.5%)	106.313s (-0.5%)	1.436s	1	1.00x
▲ Vercel	Next.js (Turbopack)	105.383s (+4.1%)	106.804s (+3.9%)	1.421s	1	1.00x
▲ Vercel	Nitro	105.593s (+0.7%)	107.380s (+0.6%)	1.787s	1	1.01x

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

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	1.391s (~)	2.005s (~)	0.615s	15	1.00x
💻 Local	Express	1.408s (~)	2.005s (~)	0.597s	15	1.01x
🐘 Postgres	Express	1.953s (-16.3% 🟢)	2.319s (-23.1% 🟢)	0.366s	13	1.40x
🐘 Postgres	Nitro	2.049s (-11.1% 🟢)	2.597s (-13.8% 🟢)	0.547s	12	1.47x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.817s (-26.3% 🟢)	4.432s (-23.2% 🟢)	1.615s	7	1.00x
▲ Vercel	Express	2.846s (-12.8% 🟢)	4.512s (~)	1.666s	7	1.01x
▲ Vercel	Next.js (Turbopack)	3.203s (+7.2% 🔺)	4.363s (+3.3%)	1.160s	7	1.14x

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

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	2.447s (-6.4% 🟢)	3.011s (~)	0.563s	10	1.00x
💻 Local	Express	2.545s (~)	3.007s (~)	0.462s	10	1.04x
🐘 Postgres	Nitro	9.642s (+13.2% 🔺)	10.371s (+18.1% 🔺)	0.729s	3	3.94x
🐘 Postgres	Express	9.979s (+11.9% 🔺)	10.368s (+11.7% 🔺)	0.389s	3	4.08x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.008s (-4.9%)	4.508s (+3.3%)	1.500s	7	1.00x
▲ Vercel	Nitro	3.394s (~)	4.761s (+6.7% 🔺)	1.367s	7	1.13x
▲ Vercel	Next.js (Turbopack)	3.725s (+17.2% 🔺)	5.423s (+21.7% 🔺)	1.699s	6	1.24x

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

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	6.700s (-9.9% 🟢)	7.015s (-12.6% 🟢)	0.316s	5	1.00x
💻 Local	Express	6.982s (-0.8%)	7.515s (-3.3%)	0.532s	4	1.04x
🐘 Postgres	Express	48.904s (~)	49.133s (~)	0.229s	1	7.30x
🐘 Postgres	Nitro	50.750s (~)	51.110s (~)	0.360s	1	7.58x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.429s (-8.8% 🟢)	5.208s (-10.9% 🟢)	1.778s	6	1.00x
▲ Vercel	Next.js (Turbopack)	4.301s (+10.9% 🔺)	5.874s (+9.4% 🔺)	1.574s	6	1.25x
▲ Vercel	Express	5.361s (+53.3% 🔺)	7.085s (+34.9% 🔺)	1.724s	5	1.56x

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

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.408s (~)	2.005s (~)	0.597s	15	1.00x
💻 Local	Nitro	1.426s (-0.9%)	2.005s (~)	0.579s	15	1.01x
🐘 Postgres	Nitro	2.068s (+2.1%)	2.679s (+15.5% 🔺)	0.611s	12	1.47x
🐘 Postgres	Express	2.143s (-2.3%)	2.511s (-6.3% 🟢)	0.368s	12	1.52x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.619s (-6.9% 🟢)	3.938s (-2.0%)	1.318s	8	1.00x
▲ Vercel	Express	2.736s (-5.8% 🟢)	4.210s (+6.0% 🔺)	1.474s	8	1.04x
▲ Vercel	Next.js (Turbopack)	2.819s (-6.1% 🟢)	3.971s (-13.2% 🟢)	1.152s	8	1.08x

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

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	2.616s (-3.9%)	3.009s (~)	0.393s	10	1.00x
💻 Local	Express	2.694s (+1.0%)	3.007s (~)	0.313s	10	1.03x
🐘 Postgres	Express	11.677s (-8.3% 🟢)	12.037s (-10.0% 🟢)	0.361s	3	4.46x
🐘 Postgres	Nitro	13.353s (+17.2% 🔺)	13.706s (+17.2% 🔺)	0.353s	3	5.10x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.148s (+7.6% 🔺)	4.762s (+4.0%)	1.613s	7	1.00x
▲ Vercel	Next.js (Turbopack)	3.302s (+10.8% 🔺)	4.774s (+14.9% 🔺)	1.472s	7	1.05x
▲ Vercel	Express	3.405s (+20.0% 🔺)	5.118s (+26.7% 🔺)	1.712s	6	1.08x

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

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Nitro	7.322s (-8.5% 🟢)	8.016s (-8.6% 🟢)	0.694s	4	1.00x
💻 Local	Express	8.005s (+5.1% 🔺)	8.518s (+6.3% 🔺)	0.512s	4	1.09x
🐘 Postgres	Express	53.778s (+2.6%)	54.120s (+1.9%)	0.342s	1	7.34x
🐘 Postgres	Nitro	56.398s (+10.9% 🔺)	57.111s (+11.7% 🔺)	0.713s	1	7.70x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.322s (-3.4%)	4.773s (-7.8% 🟢)	1.451s	7	1.00x
▲ Vercel	Express	3.343s (-12.8% 🟢)	4.426s (-13.5% 🟢)	1.083s	7	1.01x
▲ Vercel	Nitro	3.605s (-1.5%)	5.109s (+4.1%)	1.504s	6	1.09x

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

Stream Benchmarks (includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.170s (-4.1%)	1.002s (~)	0.009s (~)	1.015s (~)	0.845s	10	1.00x
💻 Local	Nitro	0.178s (+2.3%)	1.002s (~)	0.009s (-17.9% 🟢)	1.014s (~)	0.836s	10	1.05x
🐘 Postgres	Nitro	1.223s (-49.1% 🟢)	1.815s (-31.2% 🟢)	0.001s (-8.3% 🟢)	2.012s (-33.2% 🟢)	0.789s	10	7.20x
🐘 Postgres	Express	1.414s (-34.7% 🟢)	1.707s (-40.6% 🟢)	0.001s (+40.0% 🔺)	2.012s (-33.2% 🟢)	0.598s	10	8.32x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-
🐘 Postgres	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.574s (-3.2%)	3.269s (+6.2% 🔺)	0.122s (-9.0% 🟢)	4.183s (+4.2%)	1.609s	10	1.00x
▲ Vercel	Express	2.733s (+8.7% 🔺)	3.282s (+10.1% 🔺)	0.153s (-43.6% 🟢)	4.330s (+8.1% 🔺)	1.597s	10	1.06x
▲ Vercel	Next.js (Turbopack)	3.133s (+6.6% 🔺)	4.030s (+8.7% 🔺)	0.202s (+21.7% 🔺)	5.072s (+6.3% 🔺)	1.939s	10	1.22x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	6/12
🐘 Postgres	Express	6/12
▲ Vercel	Nitro	5/12

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	💻 Local	10/12
Next.js (Turbopack)	▲ Vercel	12/12
Nitro	💻 Local	10/12

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

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

[world-vercel] Allow specifying WORKFLOW_VERCEL_BACKEND_URL

1fba9b5

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

VaguelySerious marked this pull request as ready for review February 9, 2026 19:44

VaguelySerious marked this pull request as draft February 9, 2026 19:45

vercel Bot deployed to Preview – workflow-docs February 9, 2026 20:19 View deployment

Changeset

b01aef8

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

VaguelySerious changed the title ~~[world-vercel] Allow specifying WORKFLOW_VERCEL_BACKEND_URL~~ [world-vercel] Allow specifying backend URL via env variable Feb 9, 2026

VaguelySerious requested review from TooTallNate, karthikscale3 and pranaygp February 9, 2026 21:33

VaguelySerious marked this pull request as ready for review February 9, 2026 21:33

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karthikscale3 approved these changes Feb 9, 2026

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VaguelySerious merged commit aa448c2 into main Feb 9, 2026
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VaguelySerious deleted the peter/allow-custom-proxy-url branch February 9, 2026 21:38

vercel-release-bot mentioned this pull request Feb 9, 2026

Version Packages (beta) #971

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🧪 E2E Test Results

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📊 Benchmark Results

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

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