[docs] Update tweet wall by karthikscale3 · Pull Request #1708 · vercel/workflow

karthikscale3 · 2026-04-12T23:59:49Z

Changes

Updating tweet wall with 5 additional tweets

github-actions · 2026-04-13T00:01:38Z

🧪 E2E Test Results

❌ Some tests failed

Summary

	Passed	Failed	Skipped	Total
❌ ▲ Vercel Production	918	5	67	990
✅ 💻 Local Development	898	0	182	1080
❌ 📦 Local Production	897	1	182	1080
✅ 🐘 Local Postgres	898	0	182	1080
✅ 🪟 Windows	82	0	8	90
❌ 🌍 Community Worlds	133	74	24	231
✅ 📋 Other	228	0	42	270
Total	4054	80	687	4821

❌ Failed Tests

▲ Vercel Production (5 failed)

astro (3 failed):

outputStreamWorkflow positive startIndex (skips first chunk)
outputStreamWorkflow - getTailIndex and getChunks getTailIndex returns correct index after stream completes
outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01KP47DAQF7GF92FJ29MPE2VVB | 🔍 observability

sveltekit (2 failed):

webhookWorkflow | wrun_01KP47A6HA7XHDPNF4J682K0X9 | 🔍 observability
hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01KP47PNN4FWZQ99E10VM428M4 | 🔍 observability

📦 Local Production (1 failed)

express-stable (1 failed):

hookWorkflow is not resumable via public webhook endpoint | wrun_01KP479XT0GZ4B1A7DV2TZ7E35

🌍 Community Worlds (74 failed)

mongodb (7 failed):

hookWorkflow is not resumable via public webhook endpoint | wrun_01KP479XT0GZ4B1A7DV2TZ7E35
webhookWorkflow | wrun_01KP47A6HA7XHDPNF4J682K0X9
fetchWorkflow | wrun_01KP47DRM7EW94CNM0F4A4JGB6
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP47HQR4YXZR8REMJAP0PRRY
health check (queue-based) - workflow and step endpoints respond to health check messages
health check (CLI) - workflow health command reports healthy endpoints
resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP47QXP4Z4HC9Z80C93CVRWX

redis (7 failed):

hookWorkflow is not resumable via public webhook endpoint | wrun_01KP479XT0GZ4B1A7DV2TZ7E35
webhookWorkflow | wrun_01KP47A6HA7XHDPNF4J682K0X9
fetchWorkflow | wrun_01KP47DRM7EW94CNM0F4A4JGB6
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP47HQR4YXZR8REMJAP0PRRY
health check (queue-based) - workflow and step endpoints respond to health check messages
health check (CLI) - workflow health command reports healthy endpoints
resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP47QXP4Z4HC9Z80C93CVRWX

turso (60 failed):

addTenWorkflow | wrun_01KP478P75Z049E7FWNJ33EAV5
addTenWorkflow | wrun_01KP478P75Z049E7FWNJ33EAV5
wellKnownAgentWorkflow (.well-known/agent) | wrun_01KP47ABRHXTDRD9KWG9PGCQ83
should work with react rendering in step
promiseAllWorkflow | wrun_01KP478YV5NZMR1AYX7RPZ76GW
promiseRaceWorkflow | wrun_01KP47939MAHKHEQP720KZM0RZ
promiseAnyWorkflow | wrun_01KP4795R509A4J3R73FV94WN9
importedStepOnlyWorkflow | wrun_01KP47AP443FAK0VMWK2CBRXQC
hookWorkflow | wrun_01KP479JFAQXYF7GBQE8487KRM
hookWorkflow is not resumable via public webhook endpoint | wrun_01KP479XT0GZ4B1A7DV2TZ7E35
webhookWorkflow | wrun_01KP47A6HA7XHDPNF4J682K0X9
sleepingWorkflow | wrun_01KP47ADK66JRA2W7JYGQD8ZSQ
parallelSleepWorkflow | wrun_01KP47ASH7BVPT78HTE25VTDPM
nullByteWorkflow | wrun_01KP47AXQZSACTND90RCWJNZW4
workflowAndStepMetadataWorkflow | wrun_01KP47AZMKPB53VN899RTQEWVP
fetchWorkflow | wrun_01KP47DRM7EW94CNM0F4A4JGB6
promiseRaceStressTestWorkflow | wrun_01KP47DVP6KHDD5GN9XG9Y4WRT
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_01KP47H4WYT2KQJQG9AK5N3Y34
concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01KP47HQR4YXZR8REMJAP0PRRY
hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01KP47JAVFD82X51PQ7BWWN9BW
stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01KP47JY7NHG5ZC908GH3YKKF9
stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01KP47K5X0FBQ220X9C1Z53XKR
closureVariableWorkflow - nested step functions with closure variables | wrun_01KP47KAPC98Z3CV5XRXNQ8D57
spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01KP47KCXRASV2HD7ZVNV844YM
runClassSerializationWorkflow - Run instances serialize across workflow/step boundaries | wrun_01KP47KPQVSG3MXAMA89D65P60
health check (queue-based) - workflow and step endpoints respond to health check messages
health check (CLI) - workflow health command reports healthy endpoints
pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01KP47M53DR6EZH3R6604T4EMA
Calculator.calculate - static workflow method using static step methods from another class | wrun_01KP47MA5WZ3DSW2HEWAF1GAFT
AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01KP47MG0RBZYBJTSXY2K6TX3D
ChainableService.processWithThis - static step methods using this to reference the class | wrun_01KP47MP3YG3G6HWHZRGBF3GC7
thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01KP47MW2M336B673YRM912C0K
customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01KP47N1V6Y4Z5C06DKSW6A5TY
instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01KP47N8S97W84JAJA4SCMKS5X
crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01KP47NKKHP9F7AGR86CFTPHBE
stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01KP47NV5CWHV0VRHM6QTTWJT4
cancelRun - cancelling a running workflow | wrun_01KP47P139X2P6FA4KVZE3J3VD
cancelRun via CLI - cancelling a running workflow | wrun_01KP47PAGGJ0JHFV0WQVKG6C3D
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_01KP47PNN4FWZQ99E10VM428M4
sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01KP47Q8MKX3HK9EECB6XC2YRH
sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01KP47QKMM6M9A1MNE4M5YVDHE
importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01KP47QSWRDP8YY67S2FDSW9NK
metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01KP47QVSS1AF7G5EATFRFYA58
resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01KP47QXP4Z4HC9Z80C93CVRWX
getterStepWorkflow - getter functions with "use step" directive | wrun_01KP47R0Q6FYF5G6NND1FG2587

Details by Category

❌ ▲ Vercel Production

App	Passed	Failed	Skipped
❌ astro	80	3	7
✅ example	83	0	7
✅ express	83	0	7
✅ fastify	83	0	7
✅ hono	83	0	7
✅ nextjs-turbopack	88	0	2
✅ nextjs-webpack	88	0	2
✅ nitro	83	0	7
✅ nuxt	83	0	7
❌ sveltekit	81	2	7
✅ vite	83	0	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	76	14
✅ express-stable	76	14
✅ fastify-stable	76	14
✅ hono-stable	76	14
✅ nextjs-turbopack-canary	63	27
✅ nextjs-turbopack-stable	82	8
✅ nextjs-webpack-canary	63	27
✅ nextjs-webpack-stable	82	8
✅ nitro-stable	76	14
✅ nuxt-stable	76	14
✅ sveltekit-stable	76	14
✅ vite-stable	76	14

❌ 📦 Local Production

App	Passed	Failed	Skipped
✅ astro-stable	76	0	14
❌ express-stable	75	1	14
✅ fastify-stable	76	0	14
✅ hono-stable	76	0	14
✅ nextjs-turbopack-canary	63	0	27
✅ nextjs-turbopack-stable	82	0	8
✅ nextjs-webpack-canary	63	0	27
✅ nextjs-webpack-stable	82	0	8
✅ nitro-stable	76	0	14
✅ nuxt-stable	76	0	14
✅ sveltekit-stable	76	0	14
✅ vite-stable	76	0	14

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	76	14
✅ express-stable	76	14
✅ fastify-stable	76	14
✅ hono-stable	76	14
✅ nextjs-turbopack-canary	63	27
✅ nextjs-turbopack-stable	82	8
✅ nextjs-webpack-canary	63	27
✅ nextjs-webpack-stable	82	8
✅ nitro-stable	76	14
✅ nuxt-stable	76	14
✅ sveltekit-stable	76	14
✅ vite-stable	76	14

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	82	0	8

❌ 🌍 Community Worlds

App	Passed	Failed	Skipped
✅ mongodb-dev	6	0	0
❌ mongodb	56	7	8
✅ redis-dev	6	0	0
❌ redis	56	7	8
✅ turso-dev	6	0	0
❌ turso	3	60	8

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	76	14
✅ e2e-local-postgres-nest-stable	76	14
✅ e2e-local-prod-nest-stable	76	14

📋 View full workflow run

❌ Some E2E test jobs failed:

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

Check the workflow run for details.

github-actions · 2026-04-13T00:01:38Z

📊 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	0.042s (~)	1.006s (~)	0.964s	10	1.00x
💻 Local	Express	0.044s (+21.8% 🔺)	1.006s (~)	0.962s	10	1.07x
🐘 Postgres	Nitro	0.059s (-12.6% 🟢)	1.011s (~)	0.952s	10	1.41x
🐘 Postgres	Express	0.060s (+3.8%)	1.009s (~)	0.950s	10	1.44x
💻 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)	0.250s (-4.6%)	1.844s (-18.4% 🟢)	1.595s	10	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.132s (+3.2%)	2.006s (~)	0.874s	10	1.00x
💻 Local	Nitro	1.133s (~)	2.006s (~)	0.873s	10	1.00x
🐘 Postgres	Nitro	1.136s (-1.2%)	2.009s (~)	0.873s	10	1.00x
🐘 Postgres	Express	1.142s (-0.7%)	2.010s (~)	0.868s	10	1.01x
💻 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)	2.053s (~)	3.716s (-9.3% 🟢)	1.663s	10	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	10.871s (~)	11.023s (~)	0.151s	3	1.00x
🐘 Postgres	Express	10.905s (~)	11.021s (~)	0.116s	3	1.00x
💻 Local	Nitro	10.932s (~)	11.023s (~)	0.091s	3	1.01x
💻 Local	Express	10.978s (+3.2%)	11.024s (~)	0.046s	3	1.01x
💻 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)	18.327s (+4.0%)	20.541s (+4.4%)	2.214s	2	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	14.501s (~)	15.022s (~)	0.521s	4	1.00x
🐘 Postgres	Express	14.541s (~)	15.021s (~)	0.480s	4	1.00x
💻 Local	Nitro	14.973s (~)	15.029s (~)	0.056s	4	1.03x
💻 Local	Express	15.082s (+5.9% 🔺)	16.032s (+6.7% 🔺)	0.950s	4	1.04x
💻 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)	36.313s (-5.2% 🟢)	38.305s (-4.8%)	1.991s	2	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	13.820s (-2.1%)	14.021s (-4.9%)	0.201s	7	1.00x
🐘 Postgres	Express	14.060s (+0.8%)	14.879s (+4.0%)	0.820s	7	1.02x
💻 Local	Nitro	16.679s (~)	17.031s (~)	0.352s	6	1.21x
💻 Local	Express	17.044s (+13.3% 🔺)	17.366s (+11.8% 🔺)	0.322s	6	1.23x
💻 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)	63.861s (+7.1% 🔺)	66.568s (+7.8% 🔺)	2.708s	2	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (-1.9%)	2.009s (~)	0.757s	15	1.00x
🐘 Postgres	Nitro	1.259s (-1.8%)	2.009s (~)	0.750s	15	1.01x
💻 Local	Nitro	1.505s (-1.2%)	2.005s (~)	0.500s	15	1.20x
💻 Local	Express	1.537s (+6.6% 🔺)	2.006s (~)	0.469s	15	1.23x
💻 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)	2.788s (+6.7% 🔺)	4.836s (+7.8% 🔺)	2.047s	7	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.303s (-2.3%)	3.009s (~)	0.706s	10	1.00x
🐘 Postgres	Express	2.353s (~)	3.009s (~)	0.657s	10	1.02x
💻 Local	Nitro	2.918s (-1.6%)	3.108s (-17.3% 🟢)	0.190s	10	1.27x
💻 Local	Express	3.142s (+21.9% 🔺)	4.010s (+33.3% 🔺)	0.868s	8	1.36x
💻 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)	2.725s (+6.4% 🔺)	4.550s (+9.2% 🔺)	1.825s	7	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.462s (-0.9%)	4.011s (~)	0.549s	8	1.00x
🐘 Postgres	Nitro	3.470s (-0.5%)	4.012s (~)	0.541s	8	1.00x
💻 Local	Nitro	8.115s (-3.1%)	9.023s (~)	0.908s	4	2.34x
💻 Local	Express	9.051s (+34.7% 🔺)	9.525s (+35.8% 🔺)	0.474s	4	2.61x
💻 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)	3.307s (+2.7%)	5.475s (+8.3% 🔺)	2.168s	6	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.257s (-0.8%)	2.008s (~)	0.751s	15	1.00x
🐘 Postgres	Express	1.285s (+1.5%)	2.008s (~)	0.723s	15	1.02x
💻 Local	Nitro	1.525s (~)	2.006s (~)	0.481s	15	1.21x
💻 Local	Express	1.565s (+6.7% 🔺)	2.006s (~)	0.441s	15	1.24x
💻 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)	2.190s (-1.8%)	4.053s (+0.8%)	1.864s	8	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.328s (-1.4%)	3.009s (~)	0.681s	10	1.00x
🐘 Postgres	Nitro	2.335s (-1.2%)	3.010s (~)	0.675s	10	1.00x
💻 Local	Nitro	3.050s (-1.5%)	3.884s (-3.1%)	0.834s	8	1.31x
💻 Local	Express	3.191s (+7.3% 🔺)	4.010s (+20.0% 🔺)	0.819s	8	1.37x
💻 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)	2.718s (-5.8% 🟢)	4.919s (+5.1% 🔺)	2.201s	7	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.445s (-1.8%)	4.011s (~)	0.566s	8	1.00x
🐘 Postgres	Nitro	3.479s (-0.5%)	4.011s (~)	0.532s	8	1.01x
💻 Local	Nitro	8.753s (-6.3% 🟢)	9.021s (-10.0% 🟢)	0.268s	4	2.54x
💻 Local	Express	9.659s (+20.1% 🔺)	10.026s (+14.3% 🔺)	0.367s	3	2.80x
💻 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)	3.454s (+2.8%)	5.339s (-1.7%)	1.886s	6	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.789s (-5.8% 🟢)	1.005s (~)	0.217s	60	1.00x
🐘 Postgres	Express	0.817s (-2.0%)	1.006s (~)	0.189s	60	1.04x
💻 Local	Nitro	0.984s (-0.6%)	1.113s (-11.3% 🟢)	0.130s	55	1.25x
💻 Local	Express	1.034s (+47.6% 🔺)	2.006s (+99.8% 🔺)	0.973s	30	1.31x
💻 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)	9.700s (-10.4% 🟢)	11.595s (-8.5% 🟢)	1.895s	6	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.880s (-3.0%)	2.053s (-8.8% 🟢)	0.173s	44	1.00x
🐘 Postgres	Express	1.929s (-1.8%)	2.150s (-3.5%)	0.221s	42	1.03x
💻 Local	Nitro	3.019s (~)	3.649s (+1.8%)	0.630s	25	1.61x
💻 Local	Express	3.308s (+35.5% 🔺)	4.054s (+27.5% 🔺)	0.746s	23	1.76x
💻 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)	28.609s (-3.1%)	30.811s (-2.4%)	2.202s	3	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	3.825s (-1.7%)	4.009s (-3.3%)	0.184s	30	1.00x
🐘 Postgres	Express	3.919s (-2.6%)	4.148s (-6.9% 🟢)	0.229s	29	1.02x
💻 Local	Nitro	9.188s (-0.6%)	9.865s (-1.5%)	0.677s	13	2.40x
💻 Local	Express	9.459s (+29.5% 🔺)	10.020s (+26.0% 🔺)	0.561s	12	2.47x
💻 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)	84.737s (+10.5% 🔺)	87.069s (+9.7% 🔺)	2.332s	2	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.281s (~)	1.007s (~)	0.725s	60	1.00x
🐘 Postgres	Nitro	0.283s (+2.9%)	1.007s (~)	0.723s	60	1.01x
💻 Local	Nitro	0.590s (+1.6%)	1.004s (~)	0.414s	60	2.10x
💻 Local	Express	0.619s (+6.2% 🔺)	1.022s (+1.7%)	0.403s	59	2.20x
💻 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)	1.772s (+9.7% 🔺)	3.600s (+4.0%)	1.828s	17	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.485s (-3.6%)	1.006s (~)	0.521s	90	1.00x
🐘 Postgres	Nitro	0.485s (-2.9%)	1.006s (~)	0.521s	90	1.00x
💻 Local	Nitro	2.512s (+1.5%)	3.009s (~)	0.497s	30	5.18x
💻 Local	Express	2.618s (+9.3% 🔺)	3.009s (~)	0.391s	30	5.40x
💻 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)	3.138s (-0.6%)	5.097s (+4.4%)	1.959s	18	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.767s (-2.9%)	1.007s (~)	0.240s	120	1.00x
🐘 Postgres	Nitro	0.777s (-0.8%)	1.015s (+0.8%)	0.239s	119	1.01x
💻 Local	Nitro	11.183s (+0.7%)	11.845s (~)	0.662s	11	14.58x
💻 Local	Express	11.401s (+13.9% 🔺)	12.029s (+12.5% 🔺)	0.628s	10	14.86x
💻 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)	7.192s (+23.2% 🔺)	9.046s (+16.1% 🔺)	1.854s	14	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Stream Benchmarks (includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.198s (-7.2% 🟢)	0.996s (~)	0.001s (-7.7% 🟢)	1.010s (~)	0.812s	10	1.00x
💻 Local	Nitro	0.203s (~)	1.004s (~)	0.012s (+0.8%)	1.018s (~)	0.815s	10	1.03x
💻 Local	Express	0.207s (+48.1% 🔺)	1.004s (~)	0.012s (+30.9% 🔺)	1.019s (~)	0.812s	10	1.05x
🐘 Postgres	Express	0.215s (+4.3%)	0.996s (~)	0.001s (~)	1.010s (~)	0.794s	10	1.09x
💻 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	🥇 Next.js (Turbopack)	1.646s (-9.5% 🟢)	3.157s (-7.2% 🟢)	0.621s (+134.2% 🔺)	4.293s (+2.0%)	2.647s	10	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack)

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.594s (-3.3%)	1.004s (~)	0.004s (+3.2%)	1.021s (~)	0.428s	59	1.00x
🐘 Postgres	Express	0.615s (+1.2%)	1.004s (~)	0.005s (-5.9% 🟢)	1.023s (~)	0.407s	59	1.04x
💻 Local	Nitro	0.726s (~)	1.012s (~)	0.010s (-0.5%)	1.023s (~)	0.297s	59	1.22x
💻 Local	Express	0.752s (+34.8% 🔺)	1.013s (~)	0.010s (+15.3% 🔺)	1.024s (~)	0.272s	59	1.27x
💻 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	🥇 Next.js (Turbopack)	4.277s (-6.2% 🟢)	5.922s (-8.3% 🟢)	0.770s (+160.4% 🔺)	7.180s (-3.3%)	2.903s	9	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.939s (-0.7%)	1.102s (-5.8% 🟢)	0.000s (-100.0% 🟢)	1.116s (-5.7% 🟢)	0.177s	55	1.00x
🐘 Postgres	Nitro	0.945s (-3.6%)	1.101s (-7.7% 🟢)	0.000s (-53.6% 🟢)	1.116s (-8.3% 🟢)	0.172s	55	1.01x
💻 Local	Express	1.312s (+15.1% 🔺)	2.021s (~)	0.000s (+75.0% 🔺)	2.023s (~)	0.711s	30	1.40x
💻 Local	Nitro	1.418s (+14.5% 🔺)	2.022s (~)	0.000s (+20.5% 🔺)	2.203s (+8.9% 🔺)	0.785s	28	1.51x
💻 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	🥇 Next.js (Turbopack)	23.100s (+676.2% 🔺)	24.454s (+424.7% 🔺)	0.002s (~)	25.031s (+381.9% 🔺)	1.932s	7	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack)

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

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.720s (-2.4%)	2.098s (~)	0.000s (-100.0% 🟢)	2.113s (~)	0.393s	29	1.00x
🐘 Postgres	Express	1.734s (-2.5%)	2.068s (-3.2%)	0.000s (+Infinity% 🔺)	2.101s (-2.1%)	0.367s	29	1.01x
💻 Local	Nitro	3.460s (-1.2%)	4.032s (-1.7%)	0.000s (-71.4% 🟢)	4.035s (-1.7%)	0.575s	15	2.01x
💻 Local	Express	3.698s (+12.9% 🔺)	4.102s (+5.0%)	0.000s (-32.1% 🟢)	4.104s (+5.0%)	0.407s	15	2.15x
💻 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	🥇 Next.js (Turbopack)	4.471s (+6.0% 🔺)	6.474s (+13.4% 🔺)	0.000s (-93.5% 🟢)	6.923s (+11.3% 🔺)	2.452s	9	1.00x
▲ Vercel	Express	⚠️ missing	-	-	-	-	-
▲ Vercel	Nitro	⚠️ missing	-	-	-	-	-

🔍 Observability: Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Nitro	19/21
🐘 Postgres	Nitro	13/21
▲ Vercel	Next.js (Turbopack)	21/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	18/21
Next.js (Turbopack)	▲ Vercel	21/21
Nitro	🐘 Postgres	19/21

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.

…-tweets

karthikscale3 added 30 commits January 27, 2026 10:51

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karthikscale3 added 2 commits April 13, 2026 13:02

Merge branch 'main' of github.com:vercel/workflow into karthik/update…

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…-tweets

update tweet wall

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karthikscale3 commented Apr 12, 2026

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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

▲ 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)

Summary

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