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Version Packages (beta) - #3185

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Jul 30, 2026
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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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changeset-release/main

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@github-actionsgithub-actionsBot commented Jul 29, 2026

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

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

@github-actions
github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
@vercel

vercelBot commented Jul 29, 2026

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

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
example-nextjs-workflow-webpackReadyReadyPreviewJul 30, 2026 3:05pm
example-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-astro-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-express-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-fastify-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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workbench-tanstack-start-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from 9283b08 to 34975f6CompareJuly 29, 2026 21:39
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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Version Packages (beta) - #3185

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Jul 30, 2026
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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

@github-actions
github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
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The latest updates on your projects. Learn more about Vercel for GitHub.

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
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@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from 9283b08 to 34975f6CompareJuly 29, 2026 21:39
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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@karthikscale3
, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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Version Packages (beta) - #3185

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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

@github-actions
github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
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The latest updates on your projects. Learn more about Vercel for GitHub.

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@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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Version Packages (beta) - #3185

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Jul 30, 2026
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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

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github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
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The latest updates on your projects. Learn more about Vercel for GitHub.

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github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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Version Packages (beta) - #3185

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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

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

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

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github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
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The latest updates on your projects. Learn more about Vercel for GitHub.

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
example-nextjs-workflow-webpackReadyReadyPreviewJul 30, 2026 3:05pm
example-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-astro-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-express-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-fastify-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-hono-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-nestjs-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-nitro-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-nuxt-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-sveltekit-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-tanstack-start-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-vite-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workflow-docsReadyReadyPreview, v0Jul 30, 2026 3:05pm
workflow-swc-playgroundReadyReadyPreviewJul 30, 2026 3:05pm
workflow-tarballsReadyReadyPreviewJul 30, 2026 3:05pm
workflow-webReadyReadyPreviewJul 30, 2026 3:05pm

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github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
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github-actionsBotforce-pushed the changeset-release/main branch from 9283b08 to 34975f6CompareJuly 29, 2026 21:39
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

📋 View full workflow run

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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Version Packages (beta) - #3185

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Version Packages (beta)#3185
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

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github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
@vercel

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

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
example-nextjs-workflow-webpackReadyReadyPreviewJul 30, 2026 3:05pm
example-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-astro-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-express-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-fastify-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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workbench-nestjs-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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workbench-nuxt-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-sveltekit-workflowReadyReadyPreviewJul 30, 2026 3:05pm
workbench-tanstack-start-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from 9283b08 to 34975f6CompareJuly 29, 2026 21:39
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🪟 Windows

AppPassedFailedSkipped
✅ nextjs-turbopack15400

✅ 📋 Other

AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable128026
✅ e2e-local-dev-tanstack-start-128026
✅ e2e-local-postgres-nest-stable128026
✅ e2e-local-postgres-tanstack-start-128026
✅ e2e-local-prod-nest-stable128026
✅ e2e-local-prod-tanstack-start-128026
✅ e2e-vercel-prod-nest126028
✅ e2e-vercel-prod-tanstack-start126028

✅ vercel-multi-region

AppPassedFailedSkipped
✅ nextjs-turbopack2700

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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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@karthikscale3
, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); Version Packages (beta) by github-actions[bot] · Pull Request #3185 · vercel/workflow · GitHub
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Version Packages (beta) - #3185

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Version Packages (beta)#3185
karthikscale3 merged 1 commit into
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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

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

⚠️⚠️⚠️⚠️⚠️⚠️

Releases

@workflow/cli@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - workflow web / inspect --web now detect an already-running embedded dashboard and open it instead of starting a redundant server. Pass --standalone to force the standalone web UI.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, 34975f6, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/nitro@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Embed the observability dashboard in-process at /_workflow (configurable via the dashboard option) instead of spawning a separate web server. Enabled in dev and omitted from production builds by default.

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [e181f64, b92c23c, a09d001, 25715d4]:

    • @workflow/web@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/web@5.0.0-beta.38

Minor Changes

  • #254825715d4 Thanks @pranaygp! - Add a framework-agnostic @workflow/web/handler export (createWorkflowWebHandler) that serves the observability UI as a single Web RequestResponse handler under a configurable base path, plus a @workflow/web/registry for embedded-dashboard discovery.

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [a09d001]:

    • @workflow/world-local@5.0.0-beta.32

@workflow/astro@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/builders@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/core@5.0.0-beta.38

Patch Changes

  • #3198b92c23c Thanks @TooTallNate! - Don't observe idle — and raise a WorkflowSuspension — while a delivery that is committed to reaching the workflow is still parked between its serial queue slot and its detached resolve(). A run with an outstanding sleep() replaying a batch of parallel step results could suspend inside that gap with none of the batch's follow-up work queued, going dormant until an unrelated timer fired.

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [34975f6, a09d001]:

    • @workflow/world-vercel@5.0.0-beta.34
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/errors@5.0.0-beta.14

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8

@workflow/nest@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/next@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38

@workflow/nuxt@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, a09d001]:

    • @workflow/nitro@5.0.0-beta.38

@workflow/rollup@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38

@workflow/sveltekit@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/vite@5.0.0-beta.38

@workflow/utils@5.0.0-beta.8

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

@workflow/vite@5.0.0-beta.38

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/builders@5.0.0-beta.38

@workflow/vitest@5.0.0-beta.38

Patch Changes

  • Updated dependencies [b92c23c, a09d001]:
    • @workflow/core@5.0.0-beta.38
    • @workflow/builders@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/world-local@5.0.0-beta.32

@workflow/web-shared@5.0.0-beta.38

Patch Changes

  • #3197e181f64 Thanks @mitul-s! - Tighten stream list, chunk viewer, and shared loading skeleton styling to match the trace view.

  • Updated dependencies [b92c23c, a09d001]:

    • @workflow/core@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8

workflow@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, 25715d4, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • @workflow/nitro@5.0.0-beta.38
    • @workflow/nest@5.0.0-beta.38
    • @workflow/next@5.0.0-beta.38
    • @workflow/nuxt@5.0.0-beta.38
    • @workflow/astro@5.0.0-beta.38
    • @workflow/rollup@5.0.0-beta.38
    • @workflow/sveltekit@5.0.0-beta.38
    • @workflow/utils@5.0.0-beta.8
    • @workflow/typescript-plugin@5.0.0-beta.5
    • @workflow/errors@5.0.0-beta.14

@workflow/world-local@5.0.0-beta.32

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [a09d001]:

    • @workflow/utils@5.0.0-beta.8
    • @workflow/errors@5.0.0-beta.14

@workflow/world-postgres@5.0.0-beta.30

Patch Changes

  • Updated dependencies [a09d001]:
    • @workflow/utils@5.0.0-beta.8
    • @workflow/world-local@5.0.0-beta.32
    • @workflow/errors@5.0.0-beta.14

@workflow/world-testing@5.0.0-beta.38

Patch Changes

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies [25715d4, b92c23c, a09d001]:

    • @workflow/cli@5.0.0-beta.38
    • @workflow/core@5.0.0-beta.38
    • workflow@5.0.0-beta.38

@workflow/world-vercel@5.0.0-beta.34

Patch Changes

  • #319034975f6 Thanks @VaguelySerious! - Event-log requests now multiplex over a single HTTP/2 connection instead of opening one connection per in-flight request

  • #3142a09d001 Thanks @VaguelySerious! - Revert the static workflow world target injection: the world package is again resolved at runtime from WORKFLOW_TARGET_WORLD instead of being aliased into host bundles at build time.

  • Updated dependencies []:

    • @workflow/errors@5.0.0-beta.14

@github-actions
github-actionsBot requested review from a team and ijjk as code ownersJuly 29, 2026 15:56
@vercel

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

ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewJul 30, 2026 3:05pm
example-nextjs-workflow-webpackReadyReadyPreviewJul 30, 2026 3:05pm
example-workflowReadyReadyPreviewJul 30, 2026 3:05pm
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@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from bcfedb2 to e8934adCompareJuly 29, 2026 17:29
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
@github-actions
github-actionsBotforce-pushed the changeset-release/main branch from 9283b08 to 34975f6CompareJuly 29, 2026 21:39
@github-actionsgithub-actionsBot reopened this Jul 29, 2026
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📊 Workflow Benchmarks

commit 79e0bf7 · Thu, 30 Jul 2026 15:23:42 GMT · run logs

Backend: vercel · app: nextjs-turbopack

MetricScenarioBest (ms)P75 (ms)P90 (ms)P99 (ms)Samples
TTFSstep484 (-51%) 💚1205 🔴 (+17%) 🔻1217 🔴 (+15%)1232 🔴 (+2.4%)30
TTFSstream1129 (+16%) 🔻1175 🔴 (+15%) 🔻1197 🔴 (+14%)1264 🔴 (+17%) 🔻30
TTFShook + stream1371 (+14%)1468 🔴 (+12%)1521 🔴 (+11%)1808 🔴 (+22%) 🔻30
STSO1020 steps (1-20)166 (-1.8%)253 🔴 (-7.7%)284 🔴 (-16%) 💚323 🔴 (-24%) 💚19
STSO1020 steps (101-120)183 (-11%)248 🔴 (-18%) 💚318 🔴 (-13%)319 🔴 (-20%) 💚19
STSO1020 steps (1001-1020)493 (+3.4%)541 🔴 (-0.6%)595 🔴 (-7.2%)652 🔴 (-16%) 💚19
WO1020 steps390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)390479 (-3.8%)1
SLstream latency81 (-10%)147 🔴 (-5.2%)174 🔴 (-10%)380 🔴 (+67%) 🔻30
SOstream overhead (text)102 (-1.0%)155 (-27%) 💚170 (-29%) 💚198 (-26%) 💚30
SOstream overhead (structured)108 (+13%)154 (-27%) 💚185 (-31%) 💚371 (-18%) 💚30
ℹ️ Metric definitions & methodology

Best/P75/P90/P99 deltas compare against the most recent benchmark run on main at the time of this run. 🔻 flags a delta worse than +15%, 💚 one better than −15%.

Metrics — TTFS: time to first step body (in-deployment start() → first step body, deployment clocks) · STSO: step-to-step overhead (gap between consecutive step bodies) · WO: workflow overhead (whole-run time outside step bodies, in-deployment anchored) · SL: stream latency (in-deployment write → read propagation, readAt - writtenAt) · SO: stream overhead (end-to-end write+consume time beyond the modelled generation window)

Scenarios — step: one trivial no-op step, no stream; no hooks, so the run stays in turbo mode (in-process fast path) · stream: one streaming step; no hooks, so the run stays in turbo mode (in-process fast path) · hook + stream: registers a hook before one step, which exits turbo mode (dispatch path) · 1020 steps: 1020 trivial sequential steps; STSO is measured between consecutive steps in the given step ranges, and WO is the whole-run overhead outside step bodies · stream latency: parallel reader/writer steps on a dedicated stream; SL is the in-deployment write->read propagation (readAt - writtenAt) · stream overhead (text): writer streams 300 variable-length text token deltas paced at 100/s for 3s (a haiku-size LLM's token throughput) while a parallel reader drains the whole stream; SO is the end-to-end write+consume time beyond the 3s generation window (overhead/backpressure) · stream overhead (structured): same workload as stream overhead (text), but each delta is an AI-SDK-style structured object ({ type: 'text-delta', id, text }) instead of a raw string, so the SO gap vs the text scenario is the added serialization cost

🔴 marks a percentile over its target (within target is left unmarked). Targets (p75/p90/p99, ms) — TTFS 200/300/600 · SL 50/60/125 · SO 250/500/1000 · STSO (1-20) 20/30/60 · STSO (101-120) 30/45/90 · STSO (1001-1020) 40/60/120

All metrics are measured from deployment-side timestamps only. Runs are triggered by an in-deployment route that stamps the anchor (clientStart) right before start(), so the CI runner’s request and its path through api.vercel.com sit outside every measured window. TTFS = in-deployment start() → first step body (turbo uses the in-process fast path, non-turbo the dispatch path), and includes the VQS dispatch hop plus any /flow cold start. STSO/WO are measured between step bodies on the deployment. SL is measured inside the workflow (parallel reader/writer steps), so it no longer includes the api.vercel.com read path.

Cold starts are kept in the numbers on purpose — they are part of real bursty-workload latency. The workbench deployment cold-starts the /flow invocation for a large fraction of runs, inflating P75+; the Best column shows the fastest (warm-start) sample for comparison.

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🧪 E2E Test Results

All tests passed

E2E Test Summary

Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production145502391694
✅ 💻 Local Development162102271848
✅ 📦 Local Production162102271848
✅ 🐘 Local Postgres162102271848
✅ 🪟 Windows15400154
✅ 📋 Other102002121232
✅ vercel-multi-region270027
Total7519011328651
Details by Category

✅ ▲ Vercel Production

AppPassedFailedSkipped
✅ astro126028
✅ example126028
✅ express126028
✅ fastify126028
✅ hono126028
✅ nextjs-turbopack15103
✅ nextjs-webpack15103
✅ nitro126028
✅ nuxt126028
✅ sveltekit14509
✅ vite126028

✅ 💻 Local Development

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 📦 Local Production

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
✅ nitro-stable128026
✅ nuxt-stable128026
✅ sveltekit-stable14707
✅ vite-stable128026

✅ 🐘 Local Postgres

AppPassedFailedSkipped
✅ astro-stable128026
✅ express-stable128026
✅ fastify-stable128026
✅ hono-stable128026
✅ nextjs-turbopack-canary135019
✅ nextjs-turbopack-stable15400
✅ nextjs-webpack-canary135019
✅ nextjs-webpack-stable15400
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No backport to stable for b12f248 (AI decision).

This is an automated changesets "Version Packages (beta)" commit that only bumps package versions, updates CHANGELOG.md files, and consumes changesets in .changeset/pre.json. Release plumbing and version bumps are explicitly not backported; stable has its own independent versioning outside of pre-release mode.

To override, re-run the Backport to stable workflow manually via workflow_dispatch and paste this commit SHA into the ref input:

b12f248b663851f9748a4fe78dbb2a64d89afa58

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