Version Packages (beta) · Pull Request #1550 · vercel/workflow

ghost · 2026-03-29T21:57:19Z

This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

main is currently in pre mode so this branch has prereleases rather than normal releases. If you want to exit prereleases, run changeset pre exit on main.

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/ai@4.1.0-beta.59

Patch Changes

#1529 a0a7195 Thanks @VaguelySerious! - Fix WorkflowChatTransport blocking browser paint during stream reconnect by yielding to the macrotask queue between chunks
Updated dependencies []:
- workflow@4.2.0-beta.74

@workflow/astro@4.0.0-beta.48

Patch Changes

Updated dependencies [a3b7c48, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/rollup@4.0.0-beta.31
- @workflow/vite@4.0.0-beta.24

@workflow/builders@4.0.1-beta.65

Patch Changes

#1560 a3b7c48 Thanks @VaguelySerious! - Only rewrite .ts extensions to .js in externalized step imports when targeting Node's native ESM loader (vitest), preserving original extensions for framework bundlers (Next.js, SvelteKit, etc.)
#1509 d119c74 Thanks @VaguelySerious! - Fix import.meta.url being undefined when using CJS builds
Updated dependencies [62ff600, 4f646e3]:
- @workflow/core@4.2.0-beta.74

@workflow/cli@4.2.0-beta.74

Patch Changes

Updated dependencies [a3b7c48, c488877, 62ff600, bd1f7e4, 4f646e3, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/web@4.1.0-beta.46
- @workflow/core@4.2.0-beta.74
- @workflow/world-local@4.1.0-beta.47

@workflow/core@4.2.0-beta.74

Patch Changes

#1546 62ff600 Thanks @TooTallNate! - Remove Buffer global from workflow VM context
#1547 4f646e3 Thanks @TooTallNate! - Polyfill TC39 Uint8Array base64/hex methods in workflow VM context
Updated dependencies [bd1f7e4]:
- @workflow/world-local@4.1.0-beta.47

@workflow/nest@0.0.0-beta.23

Patch Changes

Updated dependencies [a3b7c48, d119c74]:
- @workflow/builders@4.0.1-beta.65

@workflow/next@4.0.1-beta.70

Patch Changes

Updated dependencies [a3b7c48, 62ff600, 4f646e3, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/core@4.2.0-beta.74

@workflow/nitro@4.0.1-beta.69

Patch Changes

Updated dependencies [a3b7c48, 62ff600, 4f646e3, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/core@4.2.0-beta.74
- @workflow/rollup@4.0.0-beta.31
- @workflow/vite@4.0.0-beta.24

@workflow/nuxt@4.0.1-beta.58

Patch Changes

Updated dependencies []:
- @workflow/nitro@4.0.1-beta.69

@workflow/rollup@4.0.0-beta.31

Patch Changes

Updated dependencies [a3b7c48, d119c74]:
- @workflow/builders@4.0.1-beta.65

@workflow/sveltekit@4.0.0-beta.63

Patch Changes

Updated dependencies [a3b7c48, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/rollup@4.0.0-beta.31
- @workflow/vite@4.0.0-beta.24

@workflow/vite@4.0.0-beta.24

Patch Changes

Updated dependencies [a3b7c48, d119c74]:
- @workflow/builders@4.0.1-beta.65

@workflow/vitest@4.0.1-beta.11

Patch Changes

Updated dependencies [a3b7c48, 62ff600, bd1f7e4, 4f646e3, d119c74]:
- @workflow/builders@4.0.1-beta.65
- @workflow/core@4.2.0-beta.74
- @workflow/world-local@4.1.0-beta.47
- @workflow/rollup@4.0.0-beta.31

@workflow/web@4.1.0-beta.46

Patch Changes

#1542 c488877 Thanks @karthikscale3! - fix: switch web stream reader from readFromStream to getStreamChunks

@workflow/web-shared@4.1.0-beta.69

Patch Changes

Updated dependencies [62ff600, 4f646e3]:
- @workflow/core@4.2.0-beta.74

workflow@4.2.0-beta.74

Patch Changes

Updated dependencies [62ff600, 4f646e3]:
- @workflow/core@4.2.0-beta.74
- @workflow/astro@4.0.0-beta.48
- @workflow/cli@4.2.0-beta.74
- @workflow/nest@0.0.0-beta.23
- @workflow/next@4.0.1-beta.70
- @workflow/nitro@4.0.1-beta.69
- @workflow/rollup@4.0.0-beta.31
- @workflow/sveltekit@4.0.0-beta.63
- @workflow/typescript-plugin@4.0.1-beta.5
- @workflow/nuxt@4.0.1-beta.58

@workflow/world-local@4.1.0-beta.47

Patch Changes

#1494 bd1f7e4 Thanks @VaguelySerious! - Tidy code for stream chunk listing and metadata

@workflow/world-postgres@4.1.0-beta.49

Patch Changes

Updated dependencies [bd1f7e4]:
- @workflow/world-local@4.1.0-beta.47

@workflow/world-testing@4.1.0-beta.75

Patch Changes

Updated dependencies [62ff600, 4f646e3]:
- @workflow/core@4.2.0-beta.74
- @workflow/cli@4.2.0-beta.74
- workflow@4.2.0-beta.74

github-actions · 2026-03-29T21:57:27Z

🧪 E2E Test Results

❌ Some tests failed

Summary

	Passed	Failed	Skipped	Total
❌ ▲ Vercel Production	856	1	67	924
✅ 💻 Local Development	830	0	178	1008
✅ 📦 Local Production	830	0	178	1008
✅ 🐘 Local Postgres	830	0	178	1008
✅ 🪟 Windows	76	0	8	84
❌ 🌍 Community Worlds	132	60	24	216
✅ 📋 Other	210	0	42	252
Total	3764	61	675	4500

❌ Failed Tests

▲ Vercel Production (1 failed)

nextjs-turbopack (1 failed):

promiseAnyWorkflow | wrun_01KN064YA7V8PVRHM3GW07NJZV | 🔍 observability

🌍 Community Worlds (60 failed)

mongodb (3 failed):

hookWorkflow is not resumable via public webhook endpoint | wrun_01KN065MMXX65E7HB5T28M6ZVP
webhookWorkflow | wrun_01KN065XHH21AYPBNDAD3YD9GZ
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KN06DW2FHBGX1Y7MF4ZCSQEZ

redis (2 failed):

hookWorkflow is not resumable via public webhook endpoint | wrun_01KN065MMXX65E7HB5T28M6ZVP
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KN06DW2FHBGX1Y7MF4ZCSQEZ

turso (55 failed):

addTenWorkflow | wrun_01KN0649RC2KDV55YR0EDH8PT3
addTenWorkflow | wrun_01KN0649RC2KDV55YR0EDH8PT3
wellKnownAgentWorkflow (.well-known/agent) | wrun_01KN065SVDMXWWZPHCB5ZHN5NW
should work with react rendering in step
promiseAllWorkflow | wrun_01KN064H19W2G1YMV1147R856N
promiseRaceWorkflow | wrun_01KN064PEGTHB3MQ2T1HST00V7
promiseAnyWorkflow | wrun_01KN064YA7V8PVRHM3GW07NJZV
importedStepOnlyWorkflow | wrun_01KN066564JCEAEJ3JTNQS44D6
hookWorkflow | wrun_01KN065ABWYF7SE7QNNACNBA90
hookWorkflow is not resumable via public webhook endpoint | wrun_01KN065MMXX65E7HB5T28M6ZVP
webhookWorkflow | wrun_01KN065XHH21AYPBNDAD3YD9GZ
sleepingWorkflow | wrun_01KN0666W22PG8GDSA3HMKEYYC
parallelSleepWorkflow | wrun_01KN066JZF373VKZ5SEVJQB5DK
nullByteWorkflow | wrun_01KN066R9EWV2375DBAHPKVWH2
workflowAndStepMetadataWorkflow | wrun_01KN066T8KBP50K6T76TQ94GQR
fetchWorkflow | wrun_01KN069W52NAXFBFY9BW7F3MMD
promiseRaceStressTestWorkflow | wrun_01KN069ZAPYRS35GH1MXRVYDWX
error handling error propagation workflow errors nested function calls preserve message and stack trace
error handling error propagation workflow errors cross-file imports preserve message and stack trace
error handling error propagation step errors basic step error preserves message and stack trace
error handling error propagation step errors cross-file step error preserves message and function names in stack
error handling retry behavior regular Error retries until success
error handling retry behavior FatalError fails immediately without retries
error handling retry behavior RetryableError respects custom retryAfter delay
error handling retry behavior maxRetries=0 disables retries
error handling catchability FatalError can be caught and detected with FatalError.is()
error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
error handling not registered StepNotRegisteredError fails the step but workflow can catch it
error handling not registered StepNotRegisteredError fails the run when not caught in workflow
hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01KN06D8R2HF5VPB90ZTYMH41M
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KN06DW2FHBGX1Y7MF4ZCSQEZ
hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KN06EFHWE33CXC91VFKD523G
stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KN06F320VPCVXZG5ZMG040M4
stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KN06FC7MA1Y35ENA9HP0BPCK
closureVariableWorkflow - nested step functions with closure variables | wrun_01KN06FGYBY8SMF5Z0DB19A60B
spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KN06FK1BMSG311AZHAGCS0A5
health check (queue-based) - workflow and step endpoints respond to health check messages
pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KN06FZ9XX78QS9KVBRB357FR
Calculator.calculate - static workflow method using static step methods from another class | wrun_01KN06G457THMAFR0K786Y1GHJ
AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KN06G8YX1H0XB5EJYGQ6KZC8
ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KN06GF08W2HYVM1F2R3QSEQP
thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KN06GNAW4J1K1DWK6JT7K3PW
customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KN06GWBQX186WF3SE4TPTC2D
instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KN06H3ENV3TYP9VRAJNPAG5S
crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KN06HDEZ7768ZTHXA8J46KSE
stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KN06HPAN9DHZ0D1AY8V0ZW38
cancelRun - cancelling a running workflow | wrun_01KN06HW3VZBK4RSY12651AGCW
cancelRun via CLI - cancelling a running workflow | wrun_01KN06J54MD5666KMY46N97031
pages router addTenWorkflow via pages router
pages router promiseAllWorkflow via pages router
pages router sleepingWorkflow via pages router
hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KN06JFYPXMPZ93NNXAP2DED2
sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KN06K45R3CBXQZYGC0WYRE2D
sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KN06KEKNE6KA3XPFF22MEA46
importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KN06KMKJ2W7FEMDV2G4YVT93

Details by Category

❌ ▲ Vercel Production

App	Passed	Failed	Skipped
✅ astro	77	0	7
✅ example	77	0	7
✅ express	77	0	7
✅ fastify	77	0	7
✅ hono	77	0	7
❌ nextjs-turbopack	81	1	2
✅ nextjs-webpack	82	0	2
✅ nitro	77	0	7
✅ nuxt	77	0	7
✅ sveltekit	77	0	7
✅ vite	77	0	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	70	14
✅ express-stable	70	14
✅ fastify-stable	70	14
✅ hono-stable	70	14
✅ nextjs-turbopack-canary	59	25
✅ nextjs-turbopack-stable	76	8
✅ nextjs-webpack-canary	59	25
✅ nextjs-webpack-stable	76	8
✅ nitro-stable	70	14
✅ nuxt-stable	70	14
✅ sveltekit-stable	70	14
✅ vite-stable	70	14

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	70	14
✅ express-stable	70	14
✅ fastify-stable	70	14
✅ hono-stable	70	14
✅ nextjs-turbopack-canary	59	25
✅ nextjs-turbopack-stable	76	8
✅ nextjs-webpack-canary	59	25
✅ nextjs-webpack-stable	76	8
✅ nitro-stable	70	14
✅ nuxt-stable	70	14
✅ sveltekit-stable	70	14
✅ vite-stable	70	14

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	70	14
✅ express-stable	70	14
✅ fastify-stable	70	14
✅ hono-stable	70	14
✅ nextjs-turbopack-canary	59	25
✅ nextjs-turbopack-stable	76	8
✅ nextjs-webpack-canary	59	25
✅ nextjs-webpack-stable	76	8
✅ nitro-stable	70	14
✅ nuxt-stable	70	14
✅ sveltekit-stable	70	14
✅ vite-stable	70	14

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	76	0	8

❌ 🌍 Community Worlds

App	Passed	Failed	Skipped
✅ mongodb-dev	5	0	0
❌ mongodb	56	3	8
✅ redis-dev	5	0	0
❌ redis	57	2	8
✅ turso-dev	5	0	0
❌ turso	4	55	8

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	70	14
✅ e2e-local-postgres-nest-stable	70	14
✅ e2e-local-prod-nest-stable	70	14

📋 View full workflow run

❌ Some E2E test jobs failed:

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

Check the workflow run for details.

github-actions · 2026-03-29T21:57:27Z

📊 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	0.044s (-17.1% 🟢)	1.005s (-1.0%)	0.962s	10	1.00x
💻 Local	Express	0.046s (+3.6%)	1.005s (~)	0.959s	10	1.05x
💻 Local	Next.js (Turbopack)	0.051s	1.006s	0.955s	10	1.17x
🌐 Redis	Next.js (Turbopack)	0.056s	1.005s	0.949s	10	1.29x
🐘 Postgres	Next.js (Turbopack)	0.059s	1.011s	0.952s	10	1.35x
🐘 Postgres	Nitro	0.061s (-5.2% 🟢)	1.017s (~)	0.956s	10	1.39x
🐘 Postgres	Express	0.065s (-1.2%)	1.011s (~)	0.947s	10	1.48x
🌐 MongoDB	Next.js (Turbopack)	0.120s	1.007s	0.888s	10	2.74x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.435s (-45.2% 🟢)	2.196s (-28.4% 🟢)	1.761s	10	1.00x
▲ Vercel	Nitro	1.041s (-17.5% 🟢)	2.746s (-23.5% 🟢)	1.705s	10	2.39x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Next.js (Turbopack)	1.116s	2.006s	0.890s	10	1.00x
🐘 Postgres	Nitro	1.122s (-2.6%)	2.011s (~)	0.889s	10	1.01x
💻 Local	Express	1.131s (~)	2.005s (~)	0.874s	10	1.01x
💻 Local	Nitro	1.132s (~)	2.006s (~)	0.875s	10	1.01x
🌐 Redis	Next.js (Turbopack)	1.132s	2.007s	0.874s	10	1.01x
🐘 Postgres	Next.js (Turbopack)	1.144s	2.012s	0.868s	10	1.02x
🐘 Postgres	Express	1.147s (~)	2.011s (~)	0.864s	10	1.03x
🌐 MongoDB	Next.js (Turbopack)	1.299s	2.008s	0.709s	10	1.16x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.240s (-4.0%)	3.504s (-20.6% 🟢)	1.264s	10	1.00x
▲ Vercel	Nitro	2.501s (+13.2% 🔺)	4.010s (-3.9%)	1.509s	10	1.12x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.654s (-2.3%)	11.025s (~)	0.371s	3	1.00x
🌐 Redis	Next.js (Turbopack)	10.787s	11.024s	0.237s	3	1.01x
🐘 Postgres	Express	10.847s (~)	11.021s (~)	0.174s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.870s	11.026s	0.156s	3	1.02x
💻 Local	Next.js (Turbopack)	10.887s	11.024s	0.137s	3	1.02x
💻 Local	Nitro	10.929s (~)	11.024s (~)	0.096s	3	1.03x
💻 Local	Express	10.944s (~)	11.024s (~)	0.080s	3	1.03x
🌐 MongoDB	Next.js (Turbopack)	12.282s	13.023s	0.741s	3	1.15x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	18.444s (-17.4% 🟢)	19.851s (-18.0% 🟢)	1.407s	2	1.00x
▲ Vercel	Nitro	19.654s (-7.3% 🟢)	21.487s (-9.4% 🟢)	1.833s	2	1.07x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	14.040s (-3.5%)	14.622s (-2.7%)	0.582s	5	1.00x
🌐 Redis	Next.js (Turbopack)	14.219s	15.030s	0.811s	4	1.01x
🐘 Postgres	Next.js (Turbopack)	14.454s	15.027s	0.572s	4	1.03x
🐘 Postgres	Express	14.574s (~)	15.028s (~)	0.454s	4	1.04x
💻 Local	Next.js (Turbopack)	14.632s	15.030s	0.398s	4	1.04x
💻 Local	Nitro	14.998s (+0.5%)	15.029s (~)	0.032s	4	1.07x
💻 Local	Express	15.079s (+0.8%)	15.783s (+5.0% 🔺)	0.704s	4	1.07x
🌐 MongoDB	Next.js (Turbopack)	17.797s	18.022s	0.225s	4	1.27x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	34.377s (+1.8%)	35.812s (-1.4%)	1.436s	2	1.00x
▲ Vercel	Nitro	41.925s (+15.0% 🔺)	43.576s (+13.7% 🔺)	1.651s	2	1.22x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	12.950s (-7.4% 🟢)	13.167s (-8.9% 🟢)	0.216s	7	1.00x
🌐 Redis	Next.js (Turbopack)	13.310s	14.025s	0.715s	7	1.03x
🐘 Postgres	Next.js (Turbopack)	13.833s	14.026s	0.194s	7	1.07x
🐘 Postgres	Express	13.914s (~)	14.023s (~)	0.108s	7	1.07x
💻 Local	Next.js (Turbopack)	16.005s	16.365s	0.360s	6	1.24x
💻 Local	Nitro	16.733s (+2.1%)	17.031s (~)	0.298s	6	1.29x
💻 Local	Express	16.905s (+1.7%)	17.198s (+1.0%)	0.293s	6	1.31x
🌐 MongoDB	Next.js (Turbopack)	20.397s	21.028s	0.631s	5	1.58x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	65.811s (+13.3% 🔺)	67.077s (+11.4% 🔺)	1.267s	2	1.00x
▲ Vercel	Nitro	68.496s (+8.7% 🔺)	69.907s (+7.2% 🔺)	1.411s	2	1.04x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.205s (-5.4% 🟢)	2.011s (~)	0.805s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.236s	2.011s	0.775s	15	1.03x
🐘 Postgres	Express	1.262s (-1.0%)	2.011s (~)	0.749s	15	1.05x
🌐 Redis	Next.js (Turbopack)	1.362s	2.007s	0.645s	15	1.13x
💻 Local	Nitro	1.524s (~)	2.006s (~)	0.482s	15	1.26x
💻 Local	Express	1.530s (-1.4%)	2.006s (~)	0.477s	15	1.27x
💻 Local	Next.js (Turbopack)	1.573s	2.005s	0.433s	15	1.30x
🌐 MongoDB	Next.js (Turbopack)	2.121s	3.008s	0.886s	10	1.76x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.743s (+14.5% 🔺)	4.012s (-3.3%)	1.269s	8	1.00x
▲ Vercel	Nitro	2.807s (+1.4%)	4.220s (-7.2% 🟢)	1.413s	8	1.02x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.270s (-2.2%)	3.011s (~)	0.741s	10	1.00x
🐘 Postgres	Express	2.344s (~)	3.011s (~)	0.667s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	2.423s	3.011s	0.588s	10	1.07x
🌐 Redis	Next.js (Turbopack)	2.557s	3.008s	0.452s	10	1.13x
💻 Local	Nitro	3.021s (+3.8%)	3.564s (+11.1% 🔺)	0.543s	9	1.33x
💻 Local	Express	3.075s (+5.2% 🔺)	3.886s (+16.3% 🔺)	0.811s	8	1.35x
💻 Local	Next.js (Turbopack)	3.172s	3.885s	0.713s	8	1.40x
🌐 MongoDB	Next.js (Turbopack)	4.732s	5.344s	0.611s	6	2.08x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.579s (-10.1% 🟢)	4.101s (-11.1% 🟢)	1.523s	8	1.00x
▲ Vercel	Express	2.768s (-10.6% 🟢)	4.005s (-17.2% 🟢)	1.237s	8	1.07x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Nitro | Express

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	3.365s (-3.3%)	4.011s (~)	0.646s	8	1.00x
🐘 Postgres	Express	3.462s (-1.1%)	4.011s (~)	0.549s	8	1.03x
🐘 Postgres	Next.js (Turbopack)	3.642s	4.010s	0.368s	8	1.08x
🌐 Redis	Next.js (Turbopack)	4.167s	4.725s	0.558s	7	1.24x
💻 Local	Nitro	8.171s (+7.9% 🔺)	9.022s (+12.5% 🔺)	0.851s	4	2.43x
💻 Local	Next.js (Turbopack)	8.512s	9.268s	0.756s	4	2.53x
💻 Local	Express	9.542s (+18.7% 🔺)	10.025s (+14.3% 🔺)	0.482s	3	2.84x
🌐 MongoDB	Next.js (Turbopack)	9.714s	10.349s	0.634s	3	2.89x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.905s (-15.0% 🟢)	4.627s (-10.1% 🟢)	1.722s	7	1.00x
▲ Vercel	Nitro	3.634s (+22.8% 🔺)	5.300s (+13.6% 🔺)	1.666s	6	1.25x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.190s (-6.1% 🟢)	2.010s (~)	0.820s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.241s	2.010s	0.769s	15	1.04x
🐘 Postgres	Express	1.277s (+1.8%)	2.008s (~)	0.732s	15	1.07x
🌐 Redis	Next.js (Turbopack)	1.316s	2.006s	0.690s	15	1.11x
💻 Local	Next.js (Turbopack)	1.514s	2.005s	0.491s	15	1.27x
💻 Local	Nitro	1.535s (+0.5%)	2.006s (~)	0.471s	15	1.29x
💻 Local	Express	1.590s (+4.4%)	2.006s (~)	0.416s	15	1.34x
🌐 MongoDB	Next.js (Turbopack)	2.162s	3.008s	0.846s	10	1.82x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.234s (-14.3% 🟢)	3.516s (-20.8% 🟢)	1.282s	9	1.00x
▲ Vercel	Nitro	2.616s (+17.5% 🔺)	3.897s (-6.8% 🟢)	1.281s	8	1.17x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.284s (-3.3%)	3.010s (~)	0.726s	10	1.00x
🐘 Postgres	Express	2.329s (-1.4%)	3.012s (~)	0.682s	10	1.02x
🐘 Postgres	Next.js (Turbopack)	2.417s	3.009s	0.592s	10	1.06x
🌐 Redis	Next.js (Turbopack)	2.573s	3.008s	0.435s	10	1.13x
💻 Local	Next.js (Turbopack)	2.934s	3.566s	0.632s	9	1.28x
💻 Local	Nitro	3.055s (+8.6% 🔺)	3.761s (+17.2% 🔺)	0.705s	8	1.34x
💻 Local	Express	3.227s (+6.1% 🔺)	4.010s (+3.2%)	0.784s	8	1.41x
🌐 MongoDB	Next.js (Turbopack)	4.756s	5.176s	0.420s	6	2.08x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.614s (-61.1% 🟢)	3.838s (-54.9% 🟢)	1.224s	9	1.00x
▲ Vercel	Nitro	2.696s (-34.4% 🟢)	4.277s (-26.1% 🟢)	1.582s	8	1.03x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	3.393s (-1.6%)	4.013s (~)	0.620s	8	1.00x
🐘 Postgres	Express	3.480s (+0.7%)	4.012s (~)	0.532s	8	1.03x
🐘 Postgres	Next.js (Turbopack)	3.667s	4.013s	0.346s	8	1.08x
🌐 Redis	Next.js (Turbopack)	4.073s	4.725s	0.652s	7	1.20x
💻 Local	Nitro	8.430s (+7.0% 🔺)	9.271s (+8.8% 🔺)	0.841s	4	2.48x
💻 Local	Next.js (Turbopack)	8.501s	9.020s	0.519s	4	2.51x
💻 Local	Express	8.924s (+3.0%)	9.523s (+5.5% 🔺)	0.600s	4	2.63x
🌐 MongoDB	Next.js (Turbopack)	9.803s	10.347s	0.544s	3	2.89x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.167s (-36.9% 🟢)	4.570s (-31.5% 🟢)	1.402s	7	1.00x
▲ Vercel	Nitro	3.542s (+23.5% 🔺)	5.048s (+15.5% 🔺)	1.506s	6	1.12x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.587s (-27.9% 🟢)	1.007s (~)	0.420s	60	1.00x
🌐 Redis	Next.js (Turbopack)	0.693s	1.004s	0.311s	60	1.18x
🐘 Postgres	Next.js (Turbopack)	0.763s	1.008s	0.245s	60	1.30x
🐘 Postgres	Express	0.820s (-0.7%)	1.007s (~)	0.186s	60	1.40x
💻 Local	Next.js (Turbopack)	0.890s	1.039s	0.149s	58	1.52x
💻 Local	Nitro	0.998s (-1.6%)	1.361s (-20.9% 🟢)	0.363s	45	1.70x
💻 Local	Express	1.006s (+2.1%)	1.469s (+31.7% 🔺)	0.463s	41	1.71x
🌐 MongoDB	Next.js (Turbopack)	2.132s	3.008s	0.876s	20	3.63x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	10.752s (-2.3%)	12.203s (-6.6% 🟢)	1.451s	5	1.00x
▲ Vercel	Nitro	11.591s (-2.5%)	13.322s (-4.4%)	1.731s	5	1.08x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.464s (-23.1% 🟢)	2.030s (~)	0.567s	45	1.00x
🌐 Redis	Next.js (Turbopack)	1.665s	2.006s	0.341s	45	1.14x
🐘 Postgres	Next.js (Turbopack)	1.864s	2.054s	0.189s	44	1.27x
🐘 Postgres	Express	1.929s (-3.5%)	2.102s (-9.3% 🟢)	0.173s	43	1.32x
💻 Local	Next.js (Turbopack)	2.768s	3.041s	0.274s	30	1.89x
💻 Local	Nitro	3.019s (-0.9%)	3.547s (-4.9%)	0.528s	26	2.06x
💻 Local	Express	3.075s (+1.9%)	3.730s (-1.9%)	0.655s	25	2.10x
🌐 MongoDB	Next.js (Turbopack)	5.198s	6.011s	0.813s	15	3.55x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	32.697s (-3.3%)	34.274s (-4.2%)	1.577s	3	1.00x
▲ Vercel	Nitro	33.931s (+3.4%)	35.681s (+1.7%)	1.750s	3	1.04x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Express | Nitro

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.906s (-24.4% 🟢)	3.112s (-23.7% 🟢)	0.206s	39	1.00x
🌐 Redis	Next.js (Turbopack)	3.320s	4.008s	0.688s	30	1.14x
🐘 Postgres	Next.js (Turbopack)	3.811s	4.012s	0.200s	30	1.31x
🐘 Postgres	Express	3.936s (-3.0%)	4.148s (-9.2% 🟢)	0.213s	29	1.35x
💻 Local	Next.js (Turbopack)	8.767s	9.018s	0.251s	14	3.02x
💻 Local	Nitro	9.251s (+3.8%)	10.019s (+7.4% 🔺)	0.769s	12	3.18x
💻 Local	Express	9.325s (+2.1%)	9.942s (+1.6%)	0.617s	13	3.21x
🌐 MongoDB	Next.js (Turbopack)	10.557s	11.017s	0.460s	11	3.63x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	89.329s (+0.8%)	91.029s (-0.5%)	1.700s	2	1.00x
▲ Vercel	Express	89.779s (-0.8%)	91.309s (-1.7%)	1.530s	2	1.01x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.221s (-23.3% 🟢)	1.008s (~)	0.787s	60	1.00x
🐘 Postgres	Next.js (Turbopack)	0.260s	1.008s	0.748s	60	1.18x
🐘 Postgres	Express	0.285s (+1.4%)	1.008s (~)	0.723s	60	1.29x
🌐 Redis	Next.js (Turbopack)	0.418s	1.004s	0.587s	60	1.89x
💻 Local	Next.js (Turbopack)	0.564s	1.004s	0.440s	60	2.55x
💻 Local	Express	0.601s (+2.3%)	1.005s (~)	0.404s	60	2.72x
💻 Local	Nitro	0.602s (+6.5% 🔺)	1.022s (+1.7%)	0.420s	59	2.72x
🌐 MongoDB	Next.js (Turbopack)	1.654s	2.150s	0.496s	28	7.48x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.063s (+16.4% 🔺)	3.555s (-6.5% 🟢)	1.492s	19	1.00x
▲ Vercel	Express	52.468s (+2529.0% 🔺)	54.161s (+1314.3% 🔺)	1.693s	6	25.43x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Nitro | Express

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.370s (-27.3% 🟢)	1.007s (~)	0.637s	90	1.00x
🐘 Postgres	Next.js (Turbopack)	0.489s	1.008s	0.519s	90	1.32x
🐘 Postgres	Express	0.502s (~)	1.008s (~)	0.506s	90	1.36x
🌐 Redis	Next.js (Turbopack)	1.191s	2.006s	0.815s	45	3.22x
💻 Local	Nitro	2.538s (+9.5% 🔺)	3.008s (~)	0.471s	30	6.86x
💻 Local	Express	2.644s (+3.0%)	3.009s (~)	0.366s	30	7.15x
💻 Local	Next.js (Turbopack)	2.709s	3.009s	0.300s	30	7.33x
🌐 MongoDB	Next.js (Turbopack)	4.734s	5.232s	0.498s	18	12.80x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.718s (-9.5% 🟢)	4.126s (-15.2% 🟢)	1.408s	22	1.00x
▲ Vercel	Express	3.214s (+11.4% 🔺)	4.609s (~)	1.395s	20	1.18x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Nitro | Express

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.572s (-26.2% 🟢)	1.008s (~)	0.436s	120	1.00x
🐘 Postgres	Next.js (Turbopack)	0.780s	1.008s	0.228s	120	1.36x
🐘 Postgres	Express	0.794s (~)	1.010s (~)	0.216s	119	1.39x
🌐 Redis	Next.js (Turbopack)	2.739s	3.033s	0.294s	40	4.79x
🌐 MongoDB	Next.js (Turbopack)	9.924s	10.434s	0.510s	12	17.36x
💻 Local	Next.js (Turbopack)	10.847s	11.481s	0.634s	11	18.98x
💻 Local	Nitro	11.294s (+9.1% 🔺)	11.937s (+9.9% 🔺)	0.642s	11	19.76x
💻 Local	Express	11.759s (+4.9%)	12.229s (+2.4%)	0.470s	10	20.57x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	8.969s (+3.9%)	10.246s (-3.2%)	1.277s	13	1.00x
▲ Vercel	Express	8.982s (+4.5%)	10.316s (-3.8%)	1.333s	12	1.00x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-

🔍 Observability: Nitro | Express

Stream Benchmarks (includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.149s (-27.6% 🟢)	0.999s (+0.5%)	0.001s (-9.1% 🟢)	1.010s (~)	0.860s	10	1.00x
🌐 Redis	Next.js (Turbopack)	0.183s	1.000s	0.002s	1.008s	0.824s	10	1.23x
💻 Local	Next.js (Turbopack)	0.184s	1.002s	0.012s	1.018s	0.834s	10	1.23x
🐘 Postgres	Next.js (Turbopack)	0.195s	1.000s	0.002s	1.012s	0.817s	10	1.30x
🐘 Postgres	Express	0.202s (~)	0.998s (~)	0.001s (+16.7% 🔺)	1.011s (~)	0.809s	10	1.35x
💻 Local	Express	0.205s (~)	1.003s (~)	0.012s (+5.4% 🔺)	1.018s (~)	0.813s	10	1.37x
💻 Local	Nitro	0.205s (-1.2%)	1.003s (~)	0.013s (+27.6% 🔺)	1.018s (~)	0.813s	10	1.38x
🌐 MongoDB	Next.js (Turbopack)	0.489s	0.958s	0.001s	1.008s	0.520s	10	3.27x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.615s (-8.3% 🟢)	2.635s (-11.2% 🟢)	0.541s (+59.3% 🔺)	3.758s (-7.6% 🟢)	2.144s	10	1.00x
▲ Vercel	Nitro	1.714s (+4.0%)	2.840s (+4.0%)	0.428s (-25.0% 🟢)	3.899s (-3.1%)	2.185s	10	1.06x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	0.488s	1.000s	0.004s	1.013s	0.525s	60	1.00x
🐘 Postgres	Nitro	0.500s (-17.1% 🟢)	1.006s (+0.5%)	0.003s (-21.4% 🟢)	1.022s (~)	0.521s	59	1.03x
🐘 Postgres	Express	0.615s (~)	1.003s (~)	0.004s (-15.8% 🟢)	1.023s (~)	0.408s	59	1.26x
🐘 Postgres	Next.js (Turbopack)	0.620s	1.008s	0.004s	1.027s	0.407s	59	1.27x
💻 Local	Next.js (Turbopack)	0.666s	1.009s	0.009s	1.023s	0.357s	59	1.37x
💻 Local	Nitro	0.740s (-1.9%)	1.010s (~)	0.009s (-3.6%)	1.024s (~)	0.284s	59	1.52x
💻 Local	Express	0.758s (+5.0%)	1.010s (~)	0.010s (+11.3% 🔺)	1.025s (~)	0.266s	59	1.55x
🌐 MongoDB	Next.js (Turbopack)	1.311s	1.950s	0.003s	2.012s	0.701s	30	2.69x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	4.452s (+3.2%)	5.577s (-5.6% 🟢)	0.224s (-61.3% 🟢)	6.346s (-13.4% 🟢)	1.894s	10	1.00x
▲ Vercel	Express	4.644s (+10.1% 🔺)	5.635s (~)	0.252s (-29.9% 🟢)	6.395s (-5.1% 🟢)	1.751s	10	1.04x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

🔍 Observability: Nitro | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	0.896s	1.017s	0.000s	1.021s	0.126s	59	1.00x
🐘 Postgres	Nitro	0.935s (-3.3%)	1.125s (-3.3%)	0.000s (-5.5% 🟢)	1.136s (-5.4% 🟢)	0.200s	55	1.04x
🐘 Postgres	Next.js (Turbopack)	0.960s	1.304s	0.000s	1.314s	0.355s	46	1.07x
🐘 Postgres	Express	0.993s (+0.9%)	1.189s (-4.2%)	0.000s (-37.3% 🟢)	1.205s (-4.3%)	0.212s	51	1.11x
💻 Local	Nitro	1.257s (+2.8%)	2.022s (~)	0.000s (-27.3% 🟢)	2.025s (~)	0.768s	30	1.40x
💻 Local	Next.js (Turbopack)	1.297s	2.020s	0.000s	2.024s	0.727s	30	1.45x
💻 Local	Express	1.304s (+3.5%)	2.021s (~)	0.000s (-8.3% 🟢)	2.025s (~)	0.721s	30	1.46x
🌐 MongoDB	Next.js (Turbopack)	2.329s	2.955s	0.000s	3.008s	0.679s	20	2.60x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.701s (-5.4% 🟢)	3.615s (-6.1% 🟢)	0.000s (+Infinity% 🔺)	4.152s (-10.1% 🟢)	1.451s	15	1.00x
▲ Vercel	Express	3.173s (-5.6% 🟢)	4.180s (-5.8% 🟢)	0.000s (+84.6% 🔺)	4.714s (-9.9% 🟢)	1.541s	13	1.17x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

🔍 Observability: Nitro | Express

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	1.579s	2.035s	0.000s	2.040s	0.461s	30	1.00x
🐘 Postgres	Nitro	1.671s (-4.5%)	2.067s (-1.4%)	0.000s (-100.0% 🟢)	2.087s (-1.2%)	0.417s	30	1.06x
🐘 Postgres	Express	1.774s (-1.9%)	2.101s (-1.6%)	0.000s (-50.0% 🟢)	2.113s (-2.7%)	0.339s	29	1.12x
🐘 Postgres	Next.js (Turbopack)	1.921s	2.226s	0.000s	2.234s	0.314s	27	1.22x
💻 Local	Nitro	3.475s (+2.3%)	4.033s (+1.6%)	0.001s (+30.4% 🔺)	4.037s (+1.6%)	0.562s	15	2.20x
💻 Local	Next.js (Turbopack)	3.670s	4.166s	0.001s	4.172s	0.501s	15	2.32x
💻 Local	Express	3.923s (+7.6% 🔺)	4.319s (+3.7%)	0.001s (-4.8%)	4.323s (+3.7%)	0.401s	14	2.48x
🌐 MongoDB	Next.js (Turbopack)	4.379s	4.949s	0.000s	5.009s	0.630s	12	2.77x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.669s (-10.1% 🟢)	4.604s (-14.8% 🟢)	0.000s (-100.0% 🟢)	5.192s (-16.9% 🟢)	1.524s	12	1.00x
▲ Vercel	Express	4.181s (-12.7% 🟢)	4.970s (-16.7% 🟢)	0.000s (NaN%)	5.482s (-18.6% 🟢)	1.301s	11	1.14x
▲ Vercel	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

🔍 Observability: Nitro | Express

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Next.js (Turbopack)	13/21
🐘 Postgres	Nitro	20/21
▲ Vercel	Express	13/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	17/21
Next.js (Turbopack)	🌐 Redis	10/21
Nitro	🐘 Postgres	20/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

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

📋 View full workflow run

❌ Some benchmark jobs failed:

Local: success
Postgres: success
Vercel: failure

Check the workflow run for details.

vercel · 2026-03-29T21:57:28Z

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

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
example-nextjs-workflow-webpack	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
example-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-astro-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-express-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-fastify-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-hono-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-nitro-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-nuxt-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-sveltekit-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workbench-vite-workflow	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workflow-docs	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm
workflow-swc-playground	Ready	Preview, Comment, Open in v0	Mar 30, 2026 8:15pm

ghost self-requested a review as a code owner March 29, 2026 21:57

ghost force-pushed the changeset-release/main branch from 35ebeaf to 076d885 Compare March 29, 2026 21:58

vercel Bot deployed to Preview – workflow-swc-playground March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-hono-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-express-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-fastify-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-nitro-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-vite-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-sveltekit-workflow March 29, 2026 21:59 View deployment

vercel Bot deployed to Preview – workbench-astro-workflow March 29, 2026 21:59 View deployment

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ghost force-pushed the changeset-release/main branch from 076d885 to 1928868 Compare March 29, 2026 22:15

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vercel Bot deployed to Preview – workbench-sveltekit-workflow March 29, 2026 22:16 View deployment

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vercel Bot deployed to Preview – workbench-fastify-workflow March 29, 2026 22:16 View deployment

vercel Bot deployed to Preview – example-workflow March 29, 2026 22:16 View deployment

vercel Bot deployed to Preview – workbench-nuxt-workflow March 29, 2026 22:16 View deployment

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vercel Bot deployed to Preview – example-nextjs-workflow-webpack March 29, 2026 23:09 View deployment

ghost force-pushed the changeset-release/main branch from 2282a5b to 7f52fd0 Compare March 30, 2026 17:45

vercel Bot deployed to Preview – workflow-swc-playground March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-express-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-vite-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-hono-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-nitro-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-sveltekit-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-fastify-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-astro-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – example-workflow March 30, 2026 17:46 View deployment

vercel Bot deployed to Preview – workbench-nuxt-workflow March 30, 2026 17:46 View deployment

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vercel Bot deployed to Preview – example-nextjs-workflow-turbopack March 30, 2026 17:46 View deployment

ghost force-pushed the changeset-release/main branch from 7f52fd0 to 5c49222 Compare March 30, 2026 18:18

vercel Bot deployed to Preview – workbench-nitro-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-hono-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-vite-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-express-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-astro-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-fastify-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-sveltekit-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – workbench-nuxt-workflow March 30, 2026 18:20 View deployment

vercel Bot deployed to Preview – example-workflow March 30, 2026 18:20 View deployment

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vercel Bot deployed to Preview – example-nextjs-workflow-turbopack March 30, 2026 18:21 View deployment

VaguelySerious approved these changes Mar 30, 2026

View reviewed changes

Version Packages (beta)

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Releases

@workflow/ai@4.1.0-beta.59

Patch Changes

@workflow/astro@4.0.0-beta.48

Patch Changes

@workflow/builders@4.0.1-beta.65

Patch Changes

@workflow/cli@4.2.0-beta.74

Patch Changes

@workflow/core@4.2.0-beta.74

Patch Changes

@workflow/nest@0.0.0-beta.23

Patch Changes

@workflow/next@4.0.1-beta.70

Patch Changes

@workflow/nitro@4.0.1-beta.69

Patch Changes

@workflow/nuxt@4.0.1-beta.58

Patch Changes

@workflow/rollup@4.0.0-beta.31

Patch Changes

@workflow/sveltekit@4.0.0-beta.63

Patch Changes

@workflow/vite@4.0.0-beta.24

Patch Changes

@workflow/vitest@4.0.1-beta.11

Patch Changes

@workflow/web@4.1.0-beta.46

Patch Changes

@workflow/web-shared@4.1.0-beta.69

Patch Changes

workflow@4.2.0-beta.74

Patch Changes

@workflow/world-local@4.1.0-beta.47

Patch Changes

@workflow/world-postgres@4.1.0-beta.49

Patch Changes

@workflow/world-testing@4.1.0-beta.75

Patch Changes

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🧪 E2E Test Results

Summary

❌ Failed Tests

Details by Category

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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)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

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edited by ghost

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