Use max function duration for inline execution limit - #2964

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Use max function duration for inline execution limit#2964
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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.

Has no change to current behavior if that env var is not defined

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Latest commit: a5c8f5a

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

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm

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🧪 E2E Test Results

✅ All tests passed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

❌ Some E2E test jobs failed:

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

Check the workflow run for details.

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📊 Workflow Benchmarks

commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30

Avg deltas compare against the most recent benchmark run on main at the time of this run.

Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)

Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges

🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.

@elliotdauber
elliotdauber marked this pull request as ready for review July 17, 2026 00:42
@elliotdauber
elliotdauber requested review from a team and ijjk as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious mentioned this pull request Jul 22, 2026
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@elliotdauberelliotdauber mentioned this pull request Aug 5, 2026
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Use max function duration for inline execution limit - #2964
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elliotdauber wants to merge 5 commits into
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elliot/max-inline-execution-duration
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Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
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elliot/max-inline-execution-duration
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Jul 16, 2026

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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
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Jul 16, 2026•

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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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Jul 16, 2026•

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
@github-actions
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commented
Jul 16, 2026•

edited

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
@github-actions
github-actionsBot
commented
Jul 16, 2026•

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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
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@vercelvercel[bot]vercel[bot] left review comments
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use max function duration for inline execution limit - #2964
Open
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Open
Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
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@elliotdauber
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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
@changeset-bot
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Jul 16, 2026•

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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@vercel
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commented
Jul 16, 2026•

edited

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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Jul 16, 2026•

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
 Merged

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use max function duration for inline execution limit - #2964
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elliot/max-inline-execution-duration
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Use max function duration for inline execution limit#2964
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elliot/max-inline-execution-duration
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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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Jul 16, 2026•

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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Jul 16, 2026•

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
@github-actions
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Jul 16, 2026•

edited

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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
 Merged

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@vercelvercel[bot]vercel[bot] left review comments
@VaguelySeriousVaguelySeriousVaguelySerious approved these changes
@ijjkijjkAwaiting requested review from ijjk

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@elliotdauber@VaguelySerious

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Use max function duration for inline execution limit - #2964
Open
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Open
Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Conversation
@elliotdauber
@elliotdauberelliotdauber
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Jul 16, 2026

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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
@changeset-bot
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commented
Jul 16, 2026•

edited

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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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commented
Jul 16, 2026•

edited

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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Jul 16, 2026•

edited

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
@github-actions
github-actionsBot
commented
Jul 16, 2026•

edited

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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
 Merged

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use max function duration for inline execution limit - #2964
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elliot/max-inline-execution-duration
Open
Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
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elliot/max-inline-execution-duration
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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
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Jul 16, 2026•

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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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Jul 16, 2026•

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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Jul 16, 2026•

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
 Merged

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@elliotdauber@VaguelySerious

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use max function duration for inline execution limit - #2964
Open
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Open
Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
@changeset-bot
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commented
Jul 16, 2026•

edited

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⚠️ No Changeset found
Latest commit: a5c8f5a
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.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@vercel
vercelBot
commented
Jul 16, 2026•

edited

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-docsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-swc-playgroundBuildingBuildingPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-tarballsReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
@github-actions
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commented
Jul 16, 2026•

edited

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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
@github-actions
github-actionsBot
commented
Jul 16, 2026•

edited

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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
elliotdauber
marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
elliotdauber
requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

Open

@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
 Merged

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@vercelvercel[bot]vercel[bot] left review comments
@VaguelySeriousVaguelySeriousVaguelySerious approved these changes
@ijjkijjkAwaiting requested review from ijjk

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@elliotdauber@VaguelySerious

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
Use max function duration for inline execution limit - #2964
Open
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Open
Use max function duration for inline execution limit#2964
elliotdauber wants to merge 5 commits into
mainfrom 
elliot/max-inline-execution-duration
Conversation
@elliotdauber
@elliotdauberelliotdauber
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Jul 16, 2026

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Uses VERCEL_FUNCTION_MAX_DURATION env var to determine the maximum inline execution duration.
Has no change to current behavior if that env var is not defined
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⚠️ No Changeset found
Latest commit: a5c8f5a
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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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-nextjs-workflow-webpackReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
example-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-astro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-express-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-fastify-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-hono-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nitro-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-nuxt-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-sveltekit-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-tanstack-start-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
workbench-vite-workflowReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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workflow-webReadyReadyPreview, Comment, Open in v0Jul 17, 2026 5:02pm
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🧪 E2E Test Results
✅ All tests passed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145302301683
✅ 💻 Local Development148302001683
✅ 📦 Local Production161702191836
✅ 🐘 Local Postgres161702191836
✅ 🪟 Windows15300153
✅ 📋 Other89401771071
✅ vercel-multi-region270027
Total7244010458289
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro126027
✅ example126027
✅ express126027
✅ fastify126027
✅ hono126027
✅ nextjs-turbopack15003
✅ nextjs-webpack15003
✅ nitro126027
✅ nuxt126027
✅ sveltekit14508
✅ vite126027
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable128025
✅ express-stable128025
✅ fastify-stable128025
✅ hono-stable128025
✅ nextjs-turbopack-canary134019
✅ nextjs-turbopack-stable15300
✅ nextjs-webpack-canary134019
✅ nextjs-webpack-stable15300
✅ nitro-stable128025
✅ nuxt-stable128025
✅ sveltekit-stable14706
✅ vite-stable128025
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack15300
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128025
✅ e2e-local-dev-tanstack-start-128025
✅ e2e-local-postgres-nest-stable128025
✅ e2e-local-postgres-tanstack-start-128025
✅ e2e-local-prod-nest-stable128025
✅ e2e-local-prod-tanstack-start-128025
✅ e2e-vercel-prod-tanstack-start126027
✅ vercel-multi-region
AppPassedFailedSkipped
✅ nextjs-turbopack2700
📋 View full workflow run
❌ Some E2E test jobs failed:
  • Vercel Prod: success
  • Local Dev: failure
  • Local Prod: success
  • Local Postgres: success
  • Windows: success
Check the workflow run for details.
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📊 Workflow Benchmarks
commit a5c8f5a · Fri, 17 Jul 2026 17:17:19 GMT · run logs
Backend: vercel · app: nextjs-turbopack
MetricScenarioAvg (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstream1272 (+18%)1650 🔴1744 🔴1857 🔴30
TTFShook + stream1622 (+23%)1935 🔴1986 🔴3997 🔴30
STSO1020 steps (1-20)295 (+6.0%)306 🔴521 🔴540 🔴19
STSO1020 steps (101-120)306 (-20%)332 🔴444 🔴521 🔴19
STSO1020 steps (1001-1020)738 (-39%)794 🔴832 🔴850 🔴19
WOstream1272 (+18%)16501744185730
WOhook + stream1622 (+23%)19351986399730
SLstream3736 (+241%)5762 🔴5829 🔴5977 🔴30
SLhook + stream3934 (+128%)5654 🔴5757 🔴6292 🔴30
Avg deltas compare against the most recent benchmark run on main at the time of this run.
Metrics — TTFS: time to first step body execution · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (time outside step bodies, client start → last step body exit) · SL: stream latency (first chunk write → visible to the reader)
Scenarios — stream: one step that streams chunks back to the client; no hooks, so the run stays in turbo mode · hook + stream: registers a hook before the same streaming step, which exits turbo mode · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges
🟢/🔴 mark percentiles within/above target. Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120
TTFS/WO compare client vs deployment clocks and SL compares the step runner’s clock vs the client’s (NTP-synced in CI). WO ends at the last step body exit, the closest observable proxy for the final step-completion request.
@elliotdauber
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marked this pull request as ready for review
July 17, 2026 00:42
@elliotdauber
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requested review from
a team and ijjk
as code ownersJuly 17, 2026 00:42
@VaguelySeriousVaguelySerious
mentioned this pull request
Jul 22, 2026

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@elliotdauberelliotdauber
mentioned this pull request
Aug 5, 2026
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