test fix(next): avoid package.json resolver failures in loader dep tracking by ijjk · Pull Request #1194 · vercel/workflow

ijjk · 2026-02-25T21:58:33Z

testing #1192

changeset-bot · 2026-02-25T21:58:38Z

⚠️ No Changeset found

Latest commit: 4372259

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github-actions · 2026-02-25T21:58:45Z

🧪 E2E Test Results

❌ Some tests failed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	523	0	49	572
✅ 💻 Local Development	556	0	68	624
✅ 📦 Local Production	556	0	68	624
✅ 🐘 Local Postgres	556	0	68	624
✅ 🪟 Windows	49	0	3	52
❌ 🌍 Community Worlds	111	45	9	165
✅ 📋 Other	135	0	21	156
Total	2486	45	286	2817

❌ Failed Tests

🌍 Community Worlds (45 failed)

turso (45 failed):

addTenWorkflow
addTenWorkflow
should work with react rendering in step
promiseAllWorkflow
promiseRaceWorkflow
promiseAnyWorkflow
hookWorkflow
webhookWorkflow
sleepingWorkflow
parallelSleepWorkflow
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 retry behavior workflow completes despite transient 5xx on step_completed
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
cancelRun - cancelling a running workflow
cancelRun via CLI - cancelling a running workflow
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	47	5
✅ example	47	5
✅ express	47	5
✅ fastify	47	5
✅ hono	47	5
✅ nextjs-turbopack	50	2
✅ nextjs-webpack	50	2
✅ nitro	47	5
✅ nuxt	47	5
✅ sveltekit	47	5
✅ vite	47	5

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	45	7
✅ express-stable	45	7
✅ fastify-stable	45	7
✅ hono-stable	45	7
✅ nextjs-turbopack-canary	49	3
✅ nextjs-turbopack-stable	49	3
✅ nextjs-webpack-canary	49	3
✅ nextjs-webpack-stable	49	3
✅ nitro-stable	45	7
✅ nuxt-stable	45	7
✅ sveltekit-stable	45	7
✅ vite-stable	45	7

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	45	7
✅ express-stable	45	7
✅ fastify-stable	45	7
✅ hono-stable	45	7
✅ nextjs-turbopack-canary	49	3
✅ nextjs-turbopack-stable	49	3
✅ nextjs-webpack-canary	49	3
✅ nextjs-webpack-stable	49	3
✅ nitro-stable	45	7
✅ nuxt-stable	45	7
✅ sveltekit-stable	45	7
✅ vite-stable	45	7

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	45	7
✅ express-stable	45	7
✅ fastify-stable	45	7
✅ hono-stable	45	7
✅ nextjs-turbopack-canary	49	3
✅ nextjs-turbopack-stable	49	3
✅ nextjs-webpack-canary	49	3
✅ nextjs-webpack-stable	49	3
✅ nitro-stable	45	7
✅ nuxt-stable	45	7
✅ sveltekit-stable	45	7
✅ vite-stable	45	7

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	49	0	3

❌ 🌍 Community Worlds

App	Passed	Failed	Skipped
✅ mongodb-dev	3	0	0
✅ mongodb	49	0	3
✅ redis-dev	3	0	0
✅ redis	49	0	3
✅ turso-dev	3	0	0
❌ turso	4	45	3

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	45	7
✅ e2e-local-postgres-nest-stable	45	7
✅ e2e-local-prod-nest-stable	45	7

📋 View full workflow run

github-actions · 2026-02-25T21:58:46Z

📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.026s (-19.2% 🟢)	1.005s (~)	0.978s	10	1.00x
💻 Local	Nitro	0.033s (+0.9%)	1.005s (~)	0.972s	10	1.23x
💻 Local	Next.js (Turbopack)	0.040s	1.005s	0.965s	10	1.51x
🐘 Postgres	Next.js (Turbopack)	0.047s	1.009s	0.962s	10	1.79x
🌐 Redis	Next.js (Turbopack)	0.048s	1.005s	0.957s	10	1.82x
🐘 Postgres	Nitro	0.052s (-7.4% 🟢)	1.010s (~)	0.958s	10	1.98x
🐘 Postgres	Express	0.057s (+5.4% 🔺)	1.011s (~)	0.954s	10	2.13x
🌐 MongoDB	Next.js (Turbopack)	0.117s	1.007s	0.891s	10	4.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	0.401s (-29.2% 🟢)	1.744s (-12.5% 🟢)	1.343s	10	1.00x
▲ Vercel	Express	0.475s (-25.4% 🟢)	1.614s (-18.9% 🟢)	1.138s	10	1.19x
▲ Vercel	Nitro	0.551s (+3.0%)	2.106s (+16.1% 🔺)	1.556s	10	1.37x

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

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.074s (-3.1%)	2.005s (~)	0.931s	10	1.00x
💻 Local	Next.js (Turbopack)	1.099s	2.005s	0.906s	10	1.02x
💻 Local	Nitro	1.107s (~)	2.005s (~)	0.898s	10	1.03x
🌐 Redis	Next.js (Turbopack)	1.110s	2.006s	0.897s	10	1.03x
🐘 Postgres	Next.js (Turbopack)	1.122s	2.011s	0.888s	10	1.04x
🐘 Postgres	Express	1.126s (-1.1%)	2.011s (~)	0.884s	10	1.05x
🐘 Postgres	Nitro	1.129s (-0.5%)	2.010s (~)	0.881s	10	1.05x
🌐 MongoDB	Next.js (Turbopack)	1.297s	2.008s	0.711s	10	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.941s (-7.9% 🟢)	2.831s (-14.9% 🟢)	0.889s	10	1.00x
▲ Vercel	Next.js (Turbopack)	2.081s (+6.9% 🔺)	2.947s (-4.6%)	0.866s	10	1.07x
▲ Vercel	Nitro	2.096s (+7.5% 🔺)	3.330s (+13.1% 🔺)	1.233s	10	1.08x

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

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	10.561s (-2.5%)	11.020s (~)	0.459s	3	1.00x
💻 Local	Next.js (Turbopack)	10.722s	11.021s	0.299s	3	1.02x
🌐 Redis	Next.js (Turbopack)	10.729s	11.023s	0.294s	3	1.02x
🐘 Postgres	Nitro	10.819s (-0.7%)	11.036s (~)	0.217s	3	1.02x
🐘 Postgres	Next.js (Turbopack)	10.839s	11.041s	0.201s	3	1.03x
💻 Local	Nitro	10.842s (~)	11.021s (~)	0.179s	3	1.03x
🐘 Postgres	Express	10.858s (~)	11.041s (~)	0.183s	3	1.03x
🌐 MongoDB	Next.js (Turbopack)	12.246s	13.020s	0.774s	3	1.16x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	16.347s (+2.3%)	17.769s (+5.0%)	1.422s	2	1.00x
▲ Vercel	Express	16.466s (-2.0%)	17.308s (-3.6%)	0.842s	2	1.01x
▲ Vercel	Next.js (Turbopack)	16.575s (+2.4%)	17.550s (+3.0%)	0.975s	2	1.01x

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

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	26.826s (-2.4%)	27.048s (-3.6%)	0.222s	3	1.00x
🌐 Redis	Next.js (Turbopack)	26.899s	27.051s	0.152s	3	1.00x
🐘 Postgres	Next.js (Turbopack)	27.101s	28.057s	0.956s	3	1.01x
🐘 Postgres	Nitro	27.176s (-0.6%)	28.055s (~)	0.879s	3	1.01x
🐘 Postgres	Express	27.216s (~)	28.058s (~)	0.842s	3	1.01x
💻 Local	Next.js (Turbopack)	27.221s	28.052s	0.831s	3	1.01x
💻 Local	Nitro	27.496s (~)	28.051s (~)	0.555s	3	1.02x
🌐 MongoDB	Next.js (Turbopack)	30.291s	31.029s	0.737s	2	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	42.462s (~)	43.216s (~)	0.755s	2	1.00x
▲ Vercel	Express	42.920s (~)	44.002s (~)	1.082s	2	1.01x
▲ Vercel	Next.js (Turbopack)	43.814s (+0.9%)	44.720s (~)	0.906s	2	1.03x

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

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	54.415s	55.102s	0.687s	2	1.00x
🐘 Postgres	Next.js (Turbopack)	54.889s	55.095s	0.205s	2	1.01x
🐘 Postgres	Express	54.930s (~)	55.095s (~)	0.165s	2	1.01x
🐘 Postgres	Nitro	54.961s (~)	55.083s (-1.8%)	0.122s	2	1.01x
💻 Local	Express	55.774s (-2.5%)	56.097s (-3.4%)	0.323s	2	1.02x
💻 Local	Next.js (Turbopack)	56.758s	57.104s	0.346s	2	1.04x
💻 Local	Nitro	57.385s (~)	58.103s (~)	0.719s	2	1.05x
🌐 MongoDB	Next.js (Turbopack)	60.976s	61.080s	0.104s	2	1.12x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	94.635s (+2.0%)	95.608s (+2.5%)	0.973s	1	1.00x
▲ Vercel	Next.js (Turbopack)	98.549s (-1.8%)	99.105s (-2.2%)	0.556s	1	1.04x
▲ Vercel	Express	99.696s (+8.0% 🔺)	101.093s (+8.1% 🔺)	1.397s	1	1.05x

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

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	1.273s	2.006s	0.733s	15	1.00x
💻 Local	Express	1.357s (-3.6%)	2.005s (~)	0.648s	15	1.07x
🐘 Postgres	Express	1.358s (-0.9%)	2.010s (~)	0.652s	15	1.07x
🐘 Postgres	Nitro	1.360s (+0.6%)	2.009s (~)	0.649s	15	1.07x
🐘 Postgres	Next.js (Turbopack)	1.362s	2.010s	0.649s	15	1.07x
💻 Local	Next.js (Turbopack)	1.410s	2.005s	0.595s	15	1.11x
💻 Local	Nitro	1.420s (-0.8%)	2.006s (~)	0.585s	15	1.12x
🌐 MongoDB	Next.js (Turbopack)	2.134s	3.007s	0.873s	10	1.68x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.276s (+2.6%)	3.089s (-1.7%)	0.814s	10	1.00x
▲ Vercel	Nitro	2.610s (+2.0%)	3.779s (+8.3% 🔺)	1.169s	9	1.15x
▲ Vercel	Express	2.679s (+18.7% 🔺)	3.516s (-4.4%)	0.837s	9	1.18x

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

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.953s (~)	2.514s (~)	0.561s	12	1.00x
🐘 Postgres	Next.js (Turbopack)	2.058s	2.599s	0.541s	12	1.05x
🐘 Postgres	Express	2.059s (+6.1% 🔺)	2.600s (+5.1% 🔺)	0.541s	12	1.05x
💻 Local	Express	2.282s (-9.6% 🟢)	3.007s (~)	0.725s	10	1.17x
💻 Local	Next.js (Turbopack)	2.466s	3.007s	0.541s	10	1.26x
🌐 Redis	Next.js (Turbopack)	2.492s	3.008s	0.515s	10	1.28x
💻 Local	Nitro	2.567s (-1.9%)	3.007s (~)	0.440s	10	1.31x
🌐 MongoDB	Next.js (Turbopack)	4.648s	5.176s	0.529s	6	2.38x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.774s (+11.3% 🔺)	3.571s (-2.2%)	0.796s	9	1.00x
▲ Vercel	Nitro	2.952s (-7.8% 🟢)	3.985s (-20.4% 🟢)	1.033s	8	1.06x
▲ Vercel	Next.js (Turbopack)	3.119s (-1.1%)	3.942s (-3.1%)	0.823s	9	1.12x

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

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	3.422s (~)	4.018s (~)	0.596s	8	1.00x
🐘 Postgres	Express	3.681s (+11.9% 🔺)	4.308s (+10.4% 🔺)	0.627s	7	1.08x
🐘 Postgres	Next.js (Turbopack)	3.816s	4.452s	0.636s	7	1.12x
🌐 Redis	Next.js (Turbopack)	4.079s	4.868s	0.789s	7	1.19x
💻 Local	Express	6.260s (-16.9% 🟢)	6.812s (-15.1% 🟢)	0.553s	5	1.83x
💻 Local	Next.js (Turbopack)	7.333s	7.765s	0.431s	4	2.14x
💻 Local	Nitro	7.451s (+0.7%)	8.018s (~)	0.568s	4	2.18x
🌐 MongoDB	Next.js (Turbopack)	9.758s	10.348s	0.589s	3	2.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.404s (-5.4% 🟢)	4.340s (-6.4% 🟢)	0.937s	8	1.00x
▲ Vercel	Nitro	3.436s (+6.9% 🔺)	4.641s (-1.1%)	1.205s	7	1.01x
▲ Vercel	Express	3.539s (+13.5% 🔺)	4.246s (-2.5%)	0.707s	8	1.04x

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

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🌐 Redis	🥇 Next.js (Turbopack)	1.273s	2.006s	0.733s	15	1.00x
🐘 Postgres	Nitro	1.354s (-0.7%)	2.009s (~)	0.655s	15	1.06x
🐘 Postgres	Next.js (Turbopack)	1.362s	2.010s	0.647s	15	1.07x
🐘 Postgres	Express	1.374s (+1.1%)	2.010s (~)	0.636s	15	1.08x
💻 Local	Express	1.386s (-3.1%)	2.005s (~)	0.619s	15	1.09x
💻 Local	Nitro	1.421s (-0.6%)	2.005s (~)	0.584s	15	1.12x
💻 Local	Next.js (Turbopack)	1.461s	2.005s	0.544s	15	1.15x
🌐 MongoDB	Next.js (Turbopack)	2.201s	3.007s	0.806s	10	1.73x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.424s (+14.7% 🔺)	3.269s (-2.7%)	0.845s	10	1.00x
▲ Vercel	Next.js (Turbopack)	2.424s (+19.8% 🔺)	3.156s (+2.9%)	0.732s	10	1.00x
▲ Vercel	Nitro	25.197s (+1078.4% 🔺)	26.448s (+771.3% 🔺)	1.251s	9	10.40x

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

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	2.009s (+2.6%)	2.513s (+1.5%)	0.504s	12	1.00x
🐘 Postgres	Express	2.033s (+1.6%)	2.515s (~)	0.482s	12	1.01x
🐘 Postgres	Next.js (Turbopack)	2.043s	2.512s	0.469s	12	1.02x
💻 Local	Express	2.473s (-7.3% 🟢)	3.008s (~)	0.535s	10	1.23x
🌐 Redis	Next.js (Turbopack)	2.514s	3.008s	0.494s	10	1.25x
💻 Local	Nitro	2.658s (-3.4%)	3.007s (~)	0.349s	10	1.32x
💻 Local	Next.js (Turbopack)	2.748s	3.107s	0.360s	10	1.37x
🌐 MongoDB	Next.js (Turbopack)	4.578s	5.176s	0.598s	6	2.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.396s (-0.6%)	3.465s (+5.4% 🔺)	1.069s	9	1.00x
▲ Vercel	Express	3.258s (+41.0% 🔺)	4.334s (+26.5% 🔺)	1.076s	7	1.36x
▲ Vercel	Next.js (Turbopack)	3.497s (+38.5% 🔺)	4.351s (+30.3% 🔺)	0.854s	7	1.46x

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

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.015s (-12.5% 🟢)	3.685s (-11.1% 🟢)	0.670s	9	1.00x
🐘 Postgres	Next.js (Turbopack)	3.390s	4.304s	0.914s	7	1.12x
🐘 Postgres	Nitro	3.501s (+9.0% 🔺)	4.309s (+10.6% 🔺)	0.808s	7	1.16x
🌐 Redis	Next.js (Turbopack)	4.096s	4.725s	0.628s	7	1.36x
💻 Local	Express	6.596s (-15.2% 🟢)	7.013s (-15.2% 🟢)	0.416s	5	2.19x
💻 Local	Next.js (Turbopack)	7.851s	8.515s	0.665s	4	2.60x
💻 Local	Nitro	7.996s (+1.9%)	8.520s (~)	0.524s	4	2.65x
🌐 MongoDB	Next.js (Turbopack)	9.901s	10.347s	0.446s	3	3.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.836s (-12.6% 🟢)	3.837s (-8.5% 🟢)	1.001s	8	1.00x
▲ Vercel	Next.js (Turbopack)	3.105s (-8.1% 🟢)	4.003s (-7.6% 🟢)	0.898s	8	1.09x
▲ Vercel	Express	3.224s (+7.6% 🔺)	4.026s (+0.7%)	0.802s	8	1.14x

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

Stream Benchmarks (includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.116s (-33.2% 🟢)	1.002s (~)	0.010s (-10.1% 🟢)	1.014s (~)	0.899s	10	1.00x
💻 Local	Next.js (Turbopack)	0.142s	1.001s	0.011s	1.017s	0.875s	10	1.23x
🌐 Redis	Next.js (Turbopack)	0.149s	1.000s	0.001s	1.007s	0.858s	10	1.29x
💻 Local	Nitro	0.174s (-1.9%)	1.003s (~)	0.011s (-0.9%)	1.017s (~)	0.843s	10	1.50x
🐘 Postgres	Next.js (Turbopack)	0.183s	1.000s	0.002s	1.012s	0.829s	10	1.58x
🐘 Postgres	Express	0.192s (-0.6%)	0.993s (~)	0.001s (-26.7% 🟢)	1.011s (~)	0.820s	10	1.66x
🐘 Postgres	Nitro	0.194s (-1.5%)	0.992s (~)	0.002s (~)	1.011s (~)	0.818s	10	1.68x
🌐 MongoDB	Next.js (Turbopack)	0.475s	0.970s	0.002s	1.009s	0.534s	10	4.11x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.555s (-0.7%)	2.216s (+17.5% 🔺)	0.139s (+31.5% 🔺)	2.769s (+12.7% 🔺)	1.214s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.573s (+6.6% 🔺)	2.188s (+25.3% 🔺)	0.125s (+30.3% 🔺)	2.709s (+21.0% 🔺)	1.136s	10	1.01x
▲ Vercel	Nitro	1.582s (+11.5% 🔺)	2.050s (+20.8% 🔺)	0.092s (-18.4% 🟢)	2.589s (+18.6% 🔺)	1.007s	10	1.02x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	12/12
🐘 Postgres	Next.js (Turbopack)	5/12
▲ Vercel	Nitro	5/12

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	💻 Local	6/12
Next.js (Turbopack)	💻 Local	4/12
Nitro	🐘 Postgres	8/12

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
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

vercel · 2026-02-25T21:59:09Z

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 25, 2026 10:00pm
example-nextjs-workflow-webpack	Ready	Preview, Comment	Feb 25, 2026 10:00pm
example-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-astro-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-express-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-fastify-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-hono-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-nitro-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-nuxt-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workbench-vite-workflow	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workflow-nest	Ready	Preview, Comment	Feb 25, 2026 10:00pm
workflow-swc-playground	Ready	Preview, Comment	Feb 25, 2026 10:00pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
workflow-docs	Skipped		Feb 25, 2026 10:00pm

fix

7a7e02d

bump

4372259

vercel Bot temporarily deployed to Preview – workflow-docs February 25, 2026 21:59 Inactive

vercel Bot deployed to Preview – workflow-swc-playground February 25, 2026 21:59 View deployment

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ijjk closed this Mar 3, 2026

ijjk deleted the fix/next-loader-packagejson-resolve branch March 3, 2026 00:07

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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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