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Remove hard-coded VERCEL_DEPLOYMENT_KEY from nextjs-turbopack workbench#1319

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remove-hardcoded-deployment-key
Mar 11, 2026
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Remove hard-coded VERCEL_DEPLOYMENT_KEY from nextjs-turbopack workbench#1319
TooTallNate merged 2 commits intomainfrom
remove-hardcoded-deployment-key

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@TooTallNate TooTallNate commented Mar 10, 2026

Summary

  • Removes the hard-coded VERCEL_DEPLOYMENT_KEY env var from workbench/nextjs-turbopack/vercel.json
  • Vercel now automatically sets VERCEL_DEPLOYMENT_KEY to a unique value for every deployment, so the hard-coded value is no longer necessary
  • Checked all other workbench apps — no other hard-coded VERCEL_DEPLOYMENT_KEY values were found

@TooTallNate
Remove hard-coded VERCEL_DEPLOYMENT_KEY from nextjs-turbopack workbench
db25f28 
Vercel now automatically sets VERCEL_DEPLOYMENT_KEY to a unique value
for every deployment, so the hard-coded value is no longer necessary.
@TooTallNate TooTallNate requested a review from a team as a code owner March 10, 2026 23:07
Copilot AI review requested due to automatic review settings March 10, 2026 23:07
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⚠️ No Changeset found

Latest commit: 670a3cd

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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🧪 E2E Test Results

❌ Some tests failed

Summary

Passed Failed Skipped Total
✅ ▲ Vercel Production 571 0 67 638
✅ 💻 Local Development 612 0 84 696
✅ 📦 Local Production 612 0 84 696
✅ 🐘 Local Postgres 612 0 84 696
✅ 🪟 Windows 55 0 3 58
❌ 🌍 Community Worlds 118 56 15 189
✅ 📋 Other 147 0 27 174
Total 2727 56 364 3147

❌ Failed Tests

🌍 Community Worlds (56 failed)

mongodb (3 failed):

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

redis (2 failed):

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

turso (51 failed):

  • addTenWorkflow
  • addTenWorkflow
  • wellKnownAgentWorkflow (.well-known/agent)
  • should work with react rendering in step
  • promiseAllWorkflow
  • promiseRaceWorkflow
  • promiseAnyWorkflow
  • importedStepOnlyWorkflow
  • hookWorkflow
  • hookWorkflow is not resumable via public webhook endpoint
  • 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
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running
  • 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
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control)

Details by Category

✅ ▲ Vercel Production
App Passed Failed Skipped
✅ astro 51 0 7
✅ example 51 0 7
✅ express 51 0 7
✅ fastify 51 0 7
✅ hono 51 0 7
✅ nextjs-turbopack 56 0 2
✅ nextjs-webpack 56 0 2
✅ nitro 51 0 7
✅ nuxt 51 0 7
✅ sveltekit 51 0 7
✅ vite 51 0 7
✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 49 0 9
✅ express-stable 49 0 9
✅ fastify-stable 49 0 9
✅ hono-stable 49 0 9
✅ nextjs-turbopack-canary 55 0 3
✅ nextjs-turbopack-stable 55 0 3
✅ nextjs-webpack-canary 55 0 3
✅ nextjs-webpack-stable 55 0 3
✅ nitro-stable 49 0 9
✅ nuxt-stable 49 0 9
✅ sveltekit-stable 49 0 9
✅ vite-stable 49 0 9
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 49 0 9
✅ express-stable 49 0 9
✅ fastify-stable 49 0 9
✅ hono-stable 49 0 9
✅ nextjs-turbopack-canary 55 0 3
✅ nextjs-turbopack-stable 55 0 3
✅ nextjs-webpack-canary 55 0 3
✅ nextjs-webpack-stable 55 0 3
✅ nitro-stable 49 0 9
✅ nuxt-stable 49 0 9
✅ sveltekit-stable 49 0 9
✅ vite-stable 49 0 9
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 49 0 9
✅ express-stable 49 0 9
✅ fastify-stable 49 0 9
✅ hono-stable 49 0 9
✅ nextjs-turbopack-canary 55 0 3
✅ nextjs-turbopack-stable 55 0 3
✅ nextjs-webpack-canary 55 0 3
✅ nextjs-webpack-stable 55 0 3
✅ nitro-stable 49 0 9
✅ nuxt-stable 49 0 9
✅ sveltekit-stable 49 0 9
✅ vite-stable 49 0 9
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 55 0 3
❌ 🌍 Community Worlds
App Passed Failed Skipped
✅ mongodb-dev 3 0 2
❌ mongodb 52 3 3
✅ redis-dev 3 0 2
❌ redis 53 2 3
✅ turso-dev 3 0 2
❌ turso 4 51 3
✅ 📋 Other
App Passed Failed Skipped
✅ e2e-local-dev-nest-stable 49 0 9
✅ e2e-local-postgres-nest-stable 49 0 9
✅ e2e-local-prod-nest-stable 49 0 9

📋 View full workflow run

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📊 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 0.032s (-4.7%) 1.006s (~) 0.974s 10 1.00x
💻 Local Nitro 0.033s (-1.8%) 1.006s (~) 0.973s 10 1.02x
💻 Local Next.js (Turbopack) 0.038s 1.006s 0.967s 10 1.19x
🌐 Redis Next.js (Turbopack) 0.045s 1.005s 0.960s 10 1.41x
🐘 Postgres Nitro 0.053s (+23.5% 🔺) 1.012s (~) 0.959s 10 1.64x
🐘 Postgres Express 0.054s (-5.8% 🟢) 1.011s (~) 0.957s 10 1.67x
🌐 MongoDB Next.js (Turbopack) 0.087s 1.008s 0.921s 10 2.69x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 0.399s (-38.2% 🟢) 1.951s (-26.3% 🟢) 1.552s 10 1.00x
▲ Vercel Express 0.456s (+3.4%) 2.251s (+11.3% 🔺) 1.795s 10 1.14x
▲ Vercel Nitro 0.493s (~) 2.315s (+0.6%) 1.821s 10 1.24x

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

workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 1.095s 2.006s 0.911s 10 1.00x
🌐 Redis Next.js (Turbopack) 1.098s 2.006s 0.908s 10 1.00x
💻 Local Nitro 1.101s (~) 2.005s (~) 0.904s 10 1.01x
💻 Local Express 1.104s (~) 2.006s (~) 0.902s 10 1.01x
🐘 Postgres Express 1.122s (~) 2.012s (~) 0.890s 10 1.02x
🐘 Postgres Nitro 1.129s (+3.2%) 2.012s (~) 0.883s 10 1.03x
🌐 MongoDB Next.js (Turbopack) 1.305s 2.008s 0.703s 10 1.19x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.007s (-2.9%) 3.506s (-4.9%) 1.499s 10 1.00x
▲ Vercel Next.js (Turbopack) 2.067s (+1.9%) 3.159s (-28.1% 🟢) 1.093s 10 1.03x
▲ Vercel Express 2.126s (+7.0% 🔺) 3.816s (+18.0% 🔺) 1.691s 10 1.06x

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

workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Redis 🥇 Next.js (Turbopack) 10.668s 11.021s 0.353s 3 1.00x
💻 Local Next.js (Turbopack) 10.689s 11.023s 0.334s 3 1.00x
💻 Local Nitro 10.757s (~) 11.022s (~) 0.266s 3 1.01x
💻 Local Express 10.789s (~) 11.023s (~) 0.234s 3 1.01x
🐘 Postgres Nitro 10.811s (+1.9%) 11.042s (~) 0.231s 3 1.01x
🐘 Postgres Express 10.856s (~) 11.042s (~) 0.185s 3 1.02x
🌐 MongoDB Next.js (Turbopack) 12.216s 13.017s 0.801s 3 1.15x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 16.698s (-1.7%) 18.106s (-1.9%) 1.408s 2 1.00x
▲ Vercel Nitro 16.930s (-6.7% 🟢) 18.652s (-7.0% 🟢) 1.722s 2 1.01x
▲ Vercel Express 17.334s (+5.1% 🔺) 19.015s (+6.7% 🔺) 1.680s 2 1.04x

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

workflow with 25 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Redis 🥇 Next.js (Turbopack) 26.492s 27.051s 0.558s 3 1.00x
💻 Local Next.js (Turbopack) 26.983s 27.387s 0.404s 3 1.02x
🐘 Postgres Express 26.987s (~) 27.069s (-2.4%) 0.082s 3 1.02x
🐘 Postgres Nitro 27.004s (+2.1%) 27.064s (~) 0.060s 3 1.02x
💻 Local Nitro 27.162s (~) 28.050s (~) 0.888s 3 1.03x
💻 Local Express 27.237s (~) 28.053s (~) 0.816s 3 1.03x
🌐 MongoDB Next.js (Turbopack) 30.462s 31.037s 0.574s 2 1.15x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 43.270s (-6.1% 🟢) 44.052s (-8.2% 🟢) 0.783s 2 1.00x
▲ Vercel Nitro 44.611s (-0.6%) 45.981s (-0.6%) 1.370s 2 1.03x
▲ Vercel Express 44.821s (~) 46.508s (-0.6%) 1.687s 2 1.04x

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

workflow with 50 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Redis 🥇 Next.js (Turbopack) 53.044s 53.092s 0.048s 2 1.00x
🐘 Postgres Express 53.648s (-1.2%) 54.087s (-1.9%) 0.439s 2 1.01x
🐘 Postgres Nitro 53.822s (+1.8%) 54.100s (+1.9%) 0.278s 2 1.01x
💻 Local Next.js (Turbopack) 55.646s 56.101s 0.455s 2 1.05x
💻 Local Nitro 56.000s (~) 56.095s (~) 0.095s 2 1.06x
💻 Local Express 56.140s (~) 57.102s (+1.8%) 0.962s 2 1.06x
🌐 MongoDB Next.js (Turbopack) 60.877s 61.072s 0.195s 2 1.15x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 93.394s (-8.5% 🟢) 94.778s (-9.1% 🟢) 1.384s 1 1.00x
▲ Vercel Express 95.318s (-1.9%) 97.747s (~) 2.429s 1 1.02x
▲ Vercel Nitro 97.050s (-3.4%) 98.707s (-3.8%) 1.657s 1 1.04x

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

Promise.all with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🌐 Redis 🥇 Next.js (Turbopack) 1.268s 2.006s 0.739s 15 1.00x
🐘 Postgres Express 1.356s (-4.5%) 2.011s (~) 0.655s 15 1.07x
🐘 Postgres Nitro 1.364s (+5.6% 🔺) 2.012s (~) 0.648s 15 1.08x
💻 Local Nitro 1.398s (~) 2.005s (~) 0.607s 15 1.10x
💻 Local Express 1.406s (~) 2.005s (~) 0.599s 15 1.11x
💻 Local Next.js (Turbopack) 1.429s 2.005s 0.577s 15 1.13x
🌐 MongoDB Next.js (Turbopack) 2.138s 3.009s 0.871s 10 1.69x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.373s (-3.3%) 4.028s (+12.5% 🔺) 1.655s 8 1.00x
▲ Vercel Nitro 2.803s (-6.7% 🟢) 3.998s (-11.9% 🟢) 1.196s 8 1.18x
▲ Vercel Next.js (Turbopack) 3.062s (+24.0% 🔺) 4.124s (+0.5%) 1.063s 8 1.29x

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

Promise.all with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 2.004s (+8.1% 🔺) 2.513s (+12.8% 🔺) 0.509s 12 1.00x
🐘 Postgres Express 2.095s (+2.3%) 2.684s (+3.1%) 0.589s 12 1.05x
🌐 Redis Next.js (Turbopack) 2.468s 3.008s 0.540s 10 1.23x
💻 Local Nitro 2.611s (~) 3.007s (~) 0.396s 10 1.30x
💻 Local Express 2.633s (+1.7%) 3.008s (~) 0.375s 10 1.31x
💻 Local Next.js (Turbopack) 2.667s 3.007s 0.341s 10 1.33x
🌐 MongoDB Next.js (Turbopack) 4.787s 5.178s 0.391s 6 2.39x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.690s (+15.6% 🔺) 3.967s (+22.4% 🔺) 1.277s 8 1.00x
▲ Vercel Next.js (Turbopack) 2.908s (-11.6% 🟢) 3.849s (-17.0% 🟢) 0.941s 8 1.08x
▲ Vercel Nitro 2.942s (+20.0% 🔺) 4.391s (+15.9% 🔺) 1.449s 7 1.09x

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

Promise.all with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 3.271s (+22.0% 🔺) 4.026s (+9.2% 🔺) 0.755s 8 1.00x
🐘 Postgres Express 3.624s (-5.2% 🟢) 4.309s (-6.3% 🟢) 0.685s 7 1.11x
🌐 Redis Next.js (Turbopack) 4.005s 4.438s 0.433s 7 1.22x
💻 Local Next.js (Turbopack) 7.220s 7.766s 0.546s 4 2.21x
💻 Local Nitro 7.442s (+2.5%) 8.019s (~) 0.577s 4 2.28x
💻 Local Express 7.744s (+7.8% 🔺) 8.018s (~) 0.274s 4 2.37x
🌐 MongoDB Next.js (Turbopack) 9.913s 10.351s 0.438s 3 3.03x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 2.873s (-17.0% 🟢) 4.113s (-14.3% 🟢) 1.240s 8 1.00x
▲ Vercel Nitro 3.103s (+2.5%) 4.541s (+7.9% 🔺) 1.438s 7 1.08x
▲ Vercel Express 3.120s (+12.3% 🔺) 4.433s (+14.2% 🔺) 1.314s 7 1.09x

🔍 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) 1.262s 2.006s 0.744s 15 1.00x
🐘 Postgres Nitro 1.384s (+6.4% 🔺) 2.014s (~) 0.629s 15 1.10x
🐘 Postgres Express 1.386s (-4.4%) 2.010s (~) 0.625s 15 1.10x
💻 Local Nitro 1.427s (~) 2.005s (~) 0.578s 15 1.13x
💻 Local Next.js (Turbopack) 1.439s 2.006s 0.567s 15 1.14x
💻 Local Express 1.450s (+3.5%) 2.005s (~) 0.556s 15 1.15x
🌐 MongoDB Next.js (Turbopack) 2.198s 3.009s 0.811s 10 1.74x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.191s (-0.8%) 3.769s (+16.0% 🔺) 1.578s 9 1.00x
▲ Vercel Next.js (Turbopack) 2.368s (+1.6%) 3.435s (-12.1% 🟢) 1.067s 9 1.08x
▲ Vercel Nitro 2.404s (+7.6% 🔺) 3.854s (+3.7%) 1.450s 8 1.10x

🔍 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 2.081s (+12.5% 🔺) 2.680s (+15.5% 🔺) 0.599s 12 1.00x
🐘 Postgres Express 2.139s (-0.9%) 2.679s (-5.8% 🟢) 0.540s 12 1.03x
🌐 Redis Next.js (Turbopack) 2.523s 3.008s 0.485s 10 1.21x
💻 Local Nitro 2.740s (+1.5%) 3.008s (~) 0.268s 10 1.32x
💻 Local Next.js (Turbopack) 2.743s 3.007s 0.264s 10 1.32x
💻 Local Express 2.759s (+2.7%) 3.010s (~) 0.251s 10 1.33x
🌐 MongoDB Next.js (Turbopack) 4.721s 5.178s 0.457s 6 2.27x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 2.548s (-20.7% 🟢) 3.606s (-23.6% 🟢) 1.058s 9 1.00x
▲ Vercel Nitro 2.559s (-4.4%) 3.786s (-6.6% 🟢) 1.226s 8 1.00x
▲ Vercel Express 3.017s (+8.7% 🔺) 4.398s (+14.5% 🔺) 1.381s 7 1.18x

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

Promise.race with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 3.299s (-22.2% 🟢) 4.024s (-20.3% 🟢) 0.725s 8 1.00x
🐘 Postgres Nitro 3.681s (+27.7% 🔺) 4.460s (+14.5% 🔺) 0.778s 7 1.12x
🌐 Redis Next.js (Turbopack) 4.019s 4.438s 0.419s 7 1.22x
💻 Local Nitro 8.085s (+2.5%) 8.522s (+6.2% 🔺) 0.438s 4 2.45x
💻 Local Next.js (Turbopack) 8.373s 9.017s 0.644s 4 2.54x
💻 Local Express 8.591s (+8.4% 🔺) 9.273s (+12.1% 🔺) 0.681s 4 2.60x
🌐 MongoDB Next.js (Turbopack) 10.062s 10.687s 0.625s 3 3.05x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - -

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.934s (-21.5% 🟢) 4.375s (-19.1% 🟢) 1.441s 7 1.00x
▲ Vercel Express 3.218s (-11.8% 🟢) 4.729s (+1.3%) 1.511s 7 1.10x
▲ Vercel Next.js (Turbopack) 3.500s (-22.9% 🟢) 4.544s (-29.5% 🟢) 1.044s 7 1.19x

🔍 Observability: Nitro | Express | 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
🌐 Redis 🥇 Next.js (Turbopack) 0.140s 1.001s 0.002s 1.008s 0.868s 10 1.00x
💻 Local Next.js (Turbopack) 0.155s 1.002s 0.012s 1.018s 0.863s 10 1.11x
💻 Local Nitro 0.168s (-1.3%) 1.003s (~) 0.011s (-3.5%) 1.017s (~) 0.849s 10 1.20x
💻 Local Express 0.175s (+4.1%) 1.003s (~) 0.011s (+0.9%) 1.017s (~) 0.843s 10 1.25x
🐘 Postgres Express 0.186s (-17.2% 🟢) 0.995s (~) 0.002s (+6.2% 🔺) 1.013s (~) 0.827s 10 1.33x
🐘 Postgres Nitro 0.189s (+26.0% 🔺) 0.993s (-0.7%) 0.002s (~) 1.012s (~) 0.824s 10 1.35x
🌐 MongoDB Next.js (Turbopack) 0.514s 0.930s 0.002s 1.009s 0.495s 10 3.68x
🐘 Postgres Next.js (Turbopack) ⚠️ missing - - - - -

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 1.583s (-9.4% 🟢) 2.323s (-12.1% 🟢) 0.005s (-24.2% 🟢) 2.912s (-7.8% 🟢) 1.329s 10 1.00x
▲ Vercel Nitro 1.654s (-10.3% 🟢) 2.579s (-2.5%) 0.004s (-84.5% 🟢) 3.126s (-4.5%) 1.473s 10 1.04x
▲ Vercel Next.js (Turbopack) 1.778s (+5.2% 🔺) 2.611s (-0.9%) 0.006s (+35.4% 🔺) 3.097s (-4.2%) 1.319s 10 1.12x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Next.js (Turbopack) 6/12
🐘 Postgres Nitro 6/12
▲ Vercel Next.js (Turbopack) 6/12
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 🐘 Postgres 6/12
Next.js (Turbopack) 🌐 Redis 8/12
Nitro 🐘 Postgres 6/12
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)

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Copilot AI reviewed Mar 10, 2026
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Pull request overview

Removes a hard-coded VERCEL_DEPLOYMENT_KEY from the nextjs-turbopack workbench’s vercel.json, relying on Vercel’s per-deployment auto-generated key instead.

Changes:

  • Removed the VERCEL_DEPLOYMENT_KEY entry from workbench/nextjs-turbopack/vercel.json.
  • Kept WORKFLOW_PUBLIC_MANIFEST as the only configured env var for this workbench app.

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@TooTallNate TooTallNate enabled auto-merge (squash) March 11, 2026 01:16
@TooTallNate TooTallNate merged commit 54758f3 into main Mar 11, 2026
157 of 168 checks passed
@TooTallNate TooTallNate deleted the remove-hardcoded-deployment-key branch March 11, 2026 01:42
pranaygp added a commit that referenced this pull request Mar 12, 2026
@pranaygp
Merge remote-tracking branch 'origin/main' into pgp/serialize-abort-s…
1f731b2 
…ignal

* origin/main: (26 commits)
  Fix flaky streamer test ENOENT when chunks directory does not exist yet (#1330)
  Version Packages (beta) (#1325)
  [web-shared] Improve workflow observability event list UX (#1337)
  feat: add `exists` getter to `Run` class (#1336)
  Support client-side tools in DurableAgent (#1329)
  [world-postgres] [world-local] Execute Graphile jobs directly instead of defering to world-local queue (#1334)
  Merge CLAUDE.md into AGENTS.md and symlink CLAUDE.md (#1326)
  [web] Polish loading indicators (#1327)
  Fix flaky webhookWorkflow e2e test by polling instead of fixed sleep (#1328)
  feat: support `deploymentId: 'latest'` in `start()` to resolve most recent deployment (#1317)
  Fix bug where the SWC compiler bug prunes step-only imports in the client-mode transformation
  [web] [world-vercel] Ensure user-passed run IDs are URL encoded and call out self-hosted security (#1322)
  Version Packages (beta) (#1306)
  Remove hard-coded VERCEL_DEPLOYMENT_KEY from nextjs-turbopack workbench (#1319)
  fix(web): move react-router deps to devDependencies (#1265)
  fix(ai): use workspace:* for workflow peer dependency (#1320)
  fix(core): pass resolved deploymentId to getEncryptionKeyForRun in start() (#1318)
  fix: surface 429 rate-limit errors in e2e tests and CLI (#1309)
  fix(world-local): return HTTP 200 instead of 503 for queue timeout re-enqueue signals (#1307)
  [web-shared] [cli] Refactor observability data fetching (#1261)
  ...

# Conflicts:
#	packages/core/e2e/e2e.test.ts
#	packages/web-shared/src/components/sidebar/attribute-panel.tsx
#	workbench/example/workflows/99_e2e.ts
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