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Upgrade workspace to TypeScript 6#2700

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NathanColosimo merged 5 commits into
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nathanc/upgrade-to-ts6
Jun 30, 2026
Merged

Upgrade workspace to TypeScript 6#2700
NathanColosimo merged 5 commits into
mainfrom
nathanc/upgrade-to-ts6

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@NathanColosimo

@NathanColosimo NathanColosimo commented Jun 29, 2026

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Summary

  • Upgrade the workspace TypeScript catalog from 5.9.3 to 6.0.3 and refresh the pnpm lockfile.
  • Apply the TS6 config migrations this repo needs: explicit rootDir where package source lives under src, target/types defaults in the shared base config, remove unnecessary baseUrl usage where tooling does not require it, and update old node module resolution where TS6 rejects it.
  • Fix TS6 follow-on issues in package builds/tests:
    • use the public @workflow/core/runtime export instead of the dist path from @workflow/next
    • preserve RuntimeDecryptionError.context as an optional runtime property with declare
    • add a CSS module declaration for the web package
    • teach the docs typechecker to ignore TS6's missing side-effect-import diagnostic for intentionally unresolved app-local examples

Why TS6 here, not TS7 yet?

TypeScript 7.0 RC is available as the new native/Go compiler via typescript@rc, and Microsoft's RC post says it is intended to be stable and compatible for CLI/editor workflows. The important caveat for this repo is programmatic usage: the same post says a stable programmatic API is not expected until at least TypeScript 7.1, and recommends keeping TypeScript 6 available side-by-side for tooling that imports typescript directly.

This repository is not only invoking tsc; it imports and uses TypeScript APIs directly in a few places:

  • packages/docs-typecheck/src/type-checker.ts uses ts.createProgram, compiler hosts, source files, and diagnostics.
  • packages/typescript-plugin/src/index.ts imports typescript/lib/tsserverlibrary for the language service plugin.
  • packages/web-shared/test/serializable-revivers.test.ts imports TypeScript AST/parser APIs in a test.

So this PR intentionally moves us to stable TS6 first. That gets the TS6 behavior changes out of the way, and it should make a later TS7 migration smaller once the programmatic/tsserver API story is stable enough for our direct usage.

Reference: https://devblogs.microsoft.com/typescript/announcing-typescript-7-0-rc/

Validation

  • pnpm install --frozen-lockfile
  • pnpm build
  • pnpm typecheck
  • pnpm test
  • pnpm test:docs
  • pnpm --filter @workflow/docs-typecheck build
  • APP_NAME=nest pnpm vitest run packages/core/e2e/local-build.test.ts
  • node --test ".github/scripts/**/*.test.js"
  • pnpm changeset status --since=main
  • pnpm exec lint-staged

Note: several upstream packages still declare TypeScript peer ranges that only mention 5.x, so pnpm prints peer warnings during install. The workspace build, typecheck, docs typecheck, and tests all pass against 6.0.3.

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⚠️ No Changeset found

Latest commit: 4a527a7

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

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

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🧪 E2E Test Results

All tests passed

Summary

Passed Failed Skipped Total
✅ ▲ Vercel Production 1442 0 230 1672
✅ 💻 Local Development 1605 0 219 1824
✅ 📦 Local Production 1605 0 219 1824
✅ 🐘 Local Postgres 1593 0 231 1824
✅ 🪟 Windows 152 0 0 152
✅ 📋 Other 885 0 179 1064
Total 7282 0 1078 8360

Details by Category

✅ ▲ Vercel Production
App Passed Failed Skipped
✅ astro 125 0 27
✅ example 125 0 27
✅ express 125 0 27
✅ fastify 125 0 27
✅ hono 125 0 27
✅ nextjs-turbopack 149 0 3
✅ nextjs-webpack 149 0 3
✅ nitro 125 0 27
✅ nuxt 125 0 27
✅ sveltekit 144 0 8
✅ vite 125 0 27
✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 127 0 25
✅ express-stable 127 0 25
✅ fastify-stable 127 0 25
✅ hono-stable 127 0 25
✅ nextjs-turbopack-canary 133 0 19
✅ nextjs-turbopack-stable 152 0 0
✅ nextjs-webpack-canary 133 0 19
✅ nextjs-webpack-stable 152 0 0
✅ nitro-stable 127 0 25
✅ nuxt-stable 127 0 25
✅ sveltekit-stable 146 0 6
✅ vite-stable 127 0 25
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 127 0 25
✅ express-stable 127 0 25
✅ fastify-stable 127 0 25
✅ hono-stable 127 0 25
✅ nextjs-turbopack-canary 133 0 19
✅ nextjs-turbopack-stable 152 0 0
✅ nextjs-webpack-canary 133 0 19
✅ nextjs-webpack-stable 152 0 0
✅ nitro-stable 127 0 25
✅ nuxt-stable 127 0 25
✅ sveltekit-stable 146 0 6
✅ vite-stable 127 0 25
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 126 0 26
✅ express-stable 126 0 26
✅ fastify-stable 126 0 26
✅ hono-stable 126 0 26
✅ nextjs-turbopack-canary 132 0 20
✅ nextjs-turbopack-stable 151 0 1
✅ nextjs-webpack-canary 132 0 20
✅ nextjs-webpack-stable 151 0 1
✅ nitro-stable 126 0 26
✅ nuxt-stable 126 0 26
✅ sveltekit-stable 145 0 7
✅ vite-stable 126 0 26
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 152 0 0
✅ 📋 Other
App Passed Failed Skipped
✅ e2e-local-dev-nest-stable 127 0 25
✅ e2e-local-dev-tanstack-start- 127 0 25
✅ e2e-local-postgres-nest-stable 126 0 26
✅ e2e-local-postgres-tanstack-start- 126 0 26
✅ e2e-local-prod-nest-stable 127 0 25
✅ e2e-local-prod-tanstack-start- 127 0 25
✅ e2e-vercel-prod-tanstack-start 125 0 27

📋 View full workflow run

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📊 Benchmark Results

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

workflow with no steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 0.047s (-3.7%) 1.008s (~) 0.961s 10 1.00x
💻 Local Next.js (Turbopack) 0.048s (-14.7% 🟢) 1.007s (~) 0.959s 10 1.02x
💻 Local Nitro 0.048s (+9.1% 🔺) 1.006s (~) 0.958s 10 1.03x
🐘 Postgres Next.js (Turbopack) 0.059s (-3.6%) 1.012s (~) 0.953s 10 1.26x
🐘 Postgres Nitro 0.063s (-4.4%) 1.013s (~) 0.950s 10 1.35x
🐘 Postgres Express 0.066s (+3.4%) 1.016s (~) 0.949s 10 1.42x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 0.216s (-16.6% 🟢) 1.415s (-32.7% 🟢) 1.198s 10 1.00x
▲ Vercel Nitro 0.278s (+31.9% 🔺) 2.270s (+12.4% 🔺) 1.992s 10 1.28x
▲ Vercel Next.js (Turbopack) 0.389s (+58.6% 🔺) 2.340s (-1.4%) 1.950s 10 1.80x

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

workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 1.080s (-1.2%) 2.006s (~) 0.926s 10 1.00x
💻 Local Nitro 1.086s (+0.5%) 2.007s (~) 0.921s 10 1.01x
💻 Local Express 1.087s (~) 2.006s (~) 0.919s 10 1.01x
🐘 Postgres Express 1.095s (~) 2.010s (~) 0.915s 10 1.01x
🐘 Postgres Next.js (Turbopack) 1.096s (~) 2.011s (~) 0.915s 10 1.01x
🐘 Postgres Nitro 1.105s (+0.9%) 2.010s (~) 0.904s 10 1.02x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.452s (+4.9%) 3.150s (+9.7% 🔺) 1.698s 10 1.00x
▲ Vercel Express 1.506s (+7.6% 🔺) 3.053s (-0.7%) 1.547s 10 1.04x
▲ Vercel Next.js (Turbopack) 2.369s (+0.6%) 4.023s (+9.3% 🔺) 1.654s 10 1.63x

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

workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 10.445s (-0.5%) 11.022s (~) 0.577s 3 1.00x
💻 Local Express 10.457s (~) 11.021s (~) 0.564s 3 1.00x
💻 Local Nitro 10.459s (~) 11.023s (~) 0.564s 3 1.00x
🐘 Postgres Express 10.483s (~) 11.023s (~) 0.540s 3 1.00x
🐘 Postgres Nitro 10.491s (~) 11.019s (~) 0.528s 3 1.00x
🐘 Postgres Next.js (Turbopack) 10.506s (~) 11.018s (~) 0.512s 3 1.01x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 11.898s (+1.5%) 13.490s (-1.4%) 1.592s 3 1.00x
▲ Vercel Express 12.050s (+3.2%) 14.186s (+7.0% 🔺) 2.136s 3 1.01x
▲ Vercel Next.js (Turbopack) 13.419s (+2.0%) 15.130s (+1.7%) 1.710s 2 1.13x

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

workflow with 25 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 13.621s (-0.8%) 14.027s (~) 0.406s 5 1.00x
💻 Local Nitro 13.641s (~) 14.027s (~) 0.386s 5 1.00x
💻 Local Express 13.642s (~) 14.028s (~) 0.386s 5 1.00x
🐘 Postgres Nitro 13.659s (+0.6%) 14.020s (~) 0.361s 5 1.00x
🐘 Postgres Next.js (Turbopack) 13.679s (~) 14.025s (~) 0.345s 5 1.00x
🐘 Postgres Express 13.699s (+0.5%) 14.023s (~) 0.324s 5 1.01x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 17.041s (+3.7%) 19.329s (+7.1% 🔺) 2.288s 4 1.00x
▲ Vercel Nitro 17.106s (+5.2% 🔺) 18.446s (-1.0%) 1.340s 4 1.00x
▲ Vercel Next.js (Turbopack) 18.472s (-1.4%) 20.342s (-1.0%) 1.870s 3 1.08x

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

workflow with 50 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Nitro 12.212s (~) 13.025s (~) 0.814s 7 1.00x
🐘 Postgres Express 12.240s (+0.5%) 13.021s (~) 0.781s 7 1.00x
🐘 Postgres Next.js (Turbopack) 12.261s (-2.7%) 13.016s (-1.1%) 0.754s 7 1.00x
💻 Local Next.js (Turbopack) 12.291s (-1.1%) 13.027s (~) 0.736s 7 1.01x
💻 Local Express 12.385s (+1.7%) 13.026s (~) 0.640s 7 1.01x
🐘 Postgres Nitro 12.421s (+1.6%) 13.020s (~) 0.599s 7 1.02x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 20.062s (+12.0% 🔺) 21.766s (+10.3% 🔺) 1.704s 5 1.00x
▲ Vercel Express 20.529s (+16.1% 🔺) 22.574s (+17.8% 🔺) 2.045s 4 1.02x
▲ Vercel Next.js (Turbopack) 22.640s (+11.0% 🔺) 24.817s (+10.0% 🔺) 2.177s 4 1.13x

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

Promise.all with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.190s (+0.7%) 2.008s (~) 0.818s 15 1.00x
🐘 Postgres Nitro 1.191s (-1.4%) 2.008s (~) 0.817s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.199s (~) 2.007s (~) 0.808s 15 1.01x
💻 Local Express 1.418s (-0.9%) 2.006s (~) 0.588s 15 1.19x
💻 Local Nitro 1.426s (+3.4%) 2.006s (~) 0.580s 15 1.20x
💻 Local Next.js (Turbopack) 1.502s (-1.2%) 2.073s (+3.3%) 0.571s 15 1.26x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.121s (-3.6%) 3.883s (+11.0% 🔺) 1.763s 8 1.00x
▲ Vercel Nitro 2.453s (+7.6% 🔺) 3.971s (+3.2%) 1.518s 8 1.16x
▲ Vercel Next.js (Turbopack) 3.437s (+7.7% 🔺) 5.171s (+5.5% 🔺) 1.734s 6 1.62x

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

Promise.all with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.317s (-0.8%) 2.592s (+8.3% 🔺) 1.275s 12 1.00x
🐘 Postgres Next.js (Turbopack) 1.326s (+0.6%) 2.827s (-3.2%) 1.501s 11 1.01x
🐘 Postgres Express 1.387s (+1.7%) 2.510s (+8.4% 🔺) 1.122s 12 1.05x
💻 Local Express 2.454s (-10.4% 🟢) 3.109s (-3.1%) 0.655s 10 1.86x
💻 Local Nitro 2.500s (~) 3.009s (+3.1%) 0.508s 10 1.90x
💻 Local Next.js (Turbopack) 2.509s (-2.3%) 3.109s (~) 0.600s 10 1.90x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.514s (+2.7%) 4.020s (+12.7% 🔺) 1.506s 8 1.00x
▲ Vercel Nitro 2.912s (+15.7% 🔺) 4.645s (+21.4% 🔺) 1.733s 7 1.16x
▲ Vercel Next.js (Turbopack) 4.281s (+19.6% 🔺) 6.000s (+13.0% 🔺) 1.719s 6 1.70x

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

Promise.all with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.618s (+0.9%) 4.583s (+10.8% 🔺) 2.965s 7 1.00x
🐘 Postgres Express 1.643s (+2.4%) 4.261s (+3.0%) 2.618s 8 1.02x
🐘 Postgres Next.js (Turbopack) 3.216s (+8.6% 🔺) 6.015s (~) 2.799s 5 1.99x
💻 Local Express 6.157s (-13.3% 🟢) 6.817s (-10.5% 🟢) 0.660s 5 3.80x
💻 Local Nitro 6.167s (+7.5% 🔺) 6.616s (~) 0.450s 5 3.81x
💻 Local Next.js (Turbopack) 6.609s (-2.7%) 7.770s (+3.4%) 1.160s 4 4.08x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 3.346s (+24.2% 🔺) 5.095s (+12.7% 🔺) 1.749s 6 1.00x
▲ Vercel Express 3.356s (+25.2% 🔺) 5.112s (+13.2% 🔺) 1.757s 6 1.00x
▲ Vercel Next.js (Turbopack) 5.673s (+39.7% 🔺) 7.625s (+27.8% 🔺) 1.953s 4 1.70x

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

Promise.race with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.190s (~) 2.007s (~) 0.817s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.195s (-0.8%) 2.007s (~) 0.812s 15 1.00x
🐘 Postgres Express 1.196s (~) 2.008s (~) 0.812s 15 1.01x
💻 Local Express 1.400s (-2.6%) 2.007s (~) 0.608s 15 1.18x
💻 Local Nitro 1.441s (+6.8% 🔺) 2.007s (~) 0.566s 15 1.21x
💻 Local Next.js (Turbopack) 1.445s (-2.6%) 2.007s (~) 0.562s 15 1.21x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.207s (+12.5% 🔺) 3.532s (-5.6% 🟢) 1.325s 9 1.00x
▲ Vercel Express 2.555s (+22.8% 🔺) 4.116s (+23.5% 🔺) 1.561s 8 1.16x
▲ Vercel Next.js (Turbopack) 3.399s (+10.5% 🔺) 5.244s (+10.0% 🔺) 1.845s 6 1.54x

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

Promise.race with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 1.302s (-1.0%) 3.008s (~) 1.706s 11 1.00x
🐘 Postgres Express 1.356s (+2.8%) 2.592s (+8.3% 🔺) 1.237s 12 1.04x
🐘 Postgres Nitro 1.359s (+4.1%) 2.677s (+6.7% 🔺) 1.318s 12 1.04x
💻 Local Nitro 2.518s (+1.8%) 3.210s (+6.7% 🔺) 0.692s 10 1.93x
💻 Local Express 2.552s (+0.7%) 3.109s (-3.2%) 0.557s 10 1.96x
💻 Local Next.js (Turbopack) 2.613s (-2.9%) 3.210s (-4.0%) 0.597s 10 2.01x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.433s (+1.2%) 3.893s (+6.7% 🔺) 1.460s 8 1.00x
▲ Vercel Nitro 2.789s (+4.7%) 4.348s (+4.3%) 1.560s 7 1.15x
▲ Vercel Next.js (Turbopack) 4.089s (+21.9% 🔺) 6.434s (+28.2% 🔺) 2.345s 5 1.68x

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

Promise.race with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 1.639s (+2.0%) 4.137s (~) 2.498s 8 1.00x
🐘 Postgres Express 1.678s (+3.0%) 4.263s (+3.1%) 2.586s 8 1.02x
🐘 Postgres Next.js (Turbopack) 2.979s (+16.1% 🔺) 5.848s (-2.8%) 2.869s 6 1.82x
💻 Local Next.js (Turbopack) 6.572s (-8.7% 🟢) 7.219s (-7.1% 🟢) 0.648s 5 4.01x
💻 Local Nitro 6.853s (+12.7% 🔺) 7.768s (+14.0% 🔺) 0.916s 4 4.18x
💻 Local Express 6.901s (-0.9%) 7.415s (-4.6%) 0.514s 5 4.21x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 2.955s (-2.5%) 4.831s (+3.2%) 1.876s 7 1.00x
▲ Vercel Nitro 3.147s (+4.9%) 4.821s (-2.0%) 1.674s 7 1.06x
▲ Vercel Next.js (Turbopack) 4.762s (+6.9% 🔺) 6.953s (+13.1% 🔺) 2.190s 5 1.61x

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

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.560s (+1.6%) 1.006s (~) 0.446s 60 1.00x
🐘 Postgres Express 0.568s (+3.5%) 1.024s (~) 0.456s 59 1.01x
💻 Local Express 0.592s (~) 1.005s (~) 0.413s 60 1.06x
🐘 Postgres Nitro 0.600s (+11.1% 🔺) 1.041s (+1.7%) 0.441s 58 1.07x
💻 Local Nitro 0.605s (+2.6%) 1.022s (~) 0.417s 59 1.08x
💻 Local Next.js (Turbopack) 0.646s (+3.7%) 1.022s (+1.7%) 0.376s 59 1.15x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.858s (+7.3% 🔺) 4.575s (+6.9% 🔺) 1.717s 14 1.00x
▲ Vercel Express 3.063s (+21.9% 🔺) 5.004s (+24.8% 🔺) 1.941s 12 1.07x
▲ Vercel Next.js (Turbopack) 4.516s (+15.8% 🔺) 6.304s (+12.4% 🔺) 1.789s 10 1.58x

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

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.334s (+3.0%) 2.007s (~) 0.673s 45 1.00x
🐘 Postgres Next.js (Turbopack) 1.353s (+3.4%) 2.008s (~) 0.655s 45 1.01x
🐘 Postgres Nitro 1.385s (+7.8% 🔺) 2.007s (~) 0.622s 45 1.04x
💻 Local Nitro 1.487s (+4.4%) 2.006s (~) 0.520s 45 1.11x
💻 Local Express 1.504s (+2.2%) 2.006s (~) 0.502s 45 1.13x
💻 Local Next.js (Turbopack) 1.510s (-1.9%) 2.006s (~) 0.497s 45 1.13x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 7.075s (+18.5% 🔺) 8.916s (+22.9% 🔺) 1.841s 11 1.00x
▲ Vercel Nitro 7.667s (+27.3% 🔺) 9.299s (+21.5% 🔺) 1.632s 10 1.08x
▲ Vercel Next.js (Turbopack) 9.782s (+18.4% 🔺) 11.747s (+20.4% 🔺) 1.965s 8 1.38x

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

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 2.742s (+1.4%) 3.086s (~) 0.344s 39 1.00x
🐘 Postgres Nitro 2.748s (+8.2% 🔺) 3.112s (+1.8%) 0.364s 39 1.00x
🐘 Postgres Express 2.769s (+7.5% 🔺) 3.137s (+1.7%) 0.368s 39 1.01x
💻 Local Nitro 3.235s (+2.0%) 4.010s (+5.8% 🔺) 0.774s 30 1.18x
💻 Local Express 3.265s (+1.6%) 4.010s (~) 0.745s 30 1.19x
💻 Local Next.js (Turbopack) 3.275s (-3.8%) 4.043s (~) 0.768s 30 1.19x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 13.591s (+16.5% 🔺) 15.837s (+19.8% 🔺) 2.246s 8 1.00x
▲ Vercel Nitro 13.965s (+15.9% 🔺) 15.791s (+14.9% 🔺) 1.826s 8 1.03x
▲ Vercel Next.js (Turbopack) 20.951s (+28.2% 🔺) 23.116s (+26.5% 🔺) 2.165s 6 1.54x

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

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.191s (+8.8% 🔺) 1.007s (~) 0.815s 60 1.00x
🐘 Postgres Nitro 0.218s (+1.6%) 1.007s (~) 0.788s 60 1.14x
🐘 Postgres Express 0.222s (+3.3%) 1.006s (~) 0.785s 60 1.16x
💻 Local Nitro 0.479s (+7.7% 🔺) 1.005s (~) 0.526s 60 2.50x
💻 Local Express 0.481s (+9.7% 🔺) 1.005s (~) 0.524s 60 2.51x
💻 Local Next.js (Turbopack) 0.607s (-7.4% 🟢) 1.005s (-1.7%) 0.398s 60 3.18x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.142s (+10.0% 🔺) 2.557s (-2.5%) 1.415s 24 1.00x
▲ Vercel Express 1.711s (+66.7% 🔺) 3.554s (+51.5% 🔺) 1.843s 17 1.50x
▲ Vercel Next.js (Turbopack) 2.437s (+16.7% 🔺) 3.940s (+4.3%) 1.503s 16 2.13x

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

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Next.js (Turbopack) 0.297s (+5.5% 🔺) 1.042s (+2.3%) 0.744s 87 1.00x
🐘 Postgres Express 0.332s (-0.5%) 1.006s (~) 0.674s 90 1.12x
🐘 Postgres Nitro 0.340s (+5.4% 🔺) 1.006s (~) 0.666s 90 1.14x
💻 Local Nitro 2.165s (-1.0%) 2.736s (-2.1%) 0.571s 33 7.28x
💻 Local Express 2.191s (+4.1%) 2.912s (+6.4% 🔺) 0.720s 31 7.37x
💻 Local Next.js (Turbopack) 2.693s (-4.1%) 3.181s (-10.4% 🟢) 0.488s 29 9.05x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 1.775s (+34.5% 🔺) 3.664s (+43.2% 🔺) 1.889s 25 1.00x
▲ Vercel Nitro 1.928s (+45.0% 🔺) 3.772s (+34.4% 🔺) 1.844s 24 1.09x
▲ Vercel Next.js (Turbopack) 3.520s (+34.3% 🔺) 5.432s (+34.4% 🔺) 1.913s 17 1.98x

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

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.520s (~) 1.059s (+2.7%) 0.539s 114 1.00x
🐘 Postgres Next.js (Turbopack) 0.527s (~) 3.010s (-3.3%) 2.482s 40 1.01x
🐘 Postgres Express 0.549s (+3.6%) 1.128s (+7.5% 🔺) 0.579s 107 1.06x
💻 Local Next.js (Turbopack) 9.931s (-2.4%) 11.029s (-1.6%) 1.098s 11 19.10x
💻 Local Express 9.952s (-1.1%) 11.030s (-1.6%) 1.078s 11 19.14x
💻 Local Nitro 9.987s (+3.5%) 11.030s (+2.3%) 1.043s 11 19.21x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.081s (+2.5%) 3.979s (+1.2%) 1.898s 31 1.00x
▲ Vercel Next.js (Turbopack) 4.867s (+23.3% 🔺) 6.891s (+23.0% 🔺) 2.023s 18 2.34x
▲ Vercel Express 106.469s (+5947.1% 🔺) 108.801s (+3065.2% 🔺) 2.331s 3 51.17x

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

Stream Benchmarks (includes TTFB metrics)
workflow with stream

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Next.js (Turbopack) 1.139s (-2.3%) 1.967s (~) 0.010s (-22.0% 🟢) 2.017s (~) 0.879s 10 1.00x
💻 Local Express 1.160s (~) 2.004s (~) 0.013s (+0.8%) 2.020s (~) 0.860s 10 1.02x
💻 Local Nitro 1.162s (~) 2.005s (~) 0.012s (+18.1% 🔺) 2.020s (~) 0.858s 10 1.02x
🐘 Postgres Express 1.175s (+1.0%) 2.001s (~) 0.001s (-7.1% 🟢) 2.012s (~) 0.836s 10 1.03x
🐘 Postgres Next.js (Turbopack) 1.179s (+1.3%) 2.001s (~) 0.002s (+15.4% 🔺) 2.011s (~) 0.832s 10 1.04x
🐘 Postgres Nitro 1.189s (+1.6%) 1.999s (~) 0.001s (+16.7% 🔺) 2.010s (~) 0.821s 10 1.04x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.971s (-2.6%) 3.486s (+6.3% 🔺) 1.881s (+10.6% 🔺) 5.797s (+5.3% 🔺) 3.826s 10 1.00x
▲ Vercel Express 1.971s (-1.3%) 3.449s (+17.0% 🔺) 1.758s (-15.1% 🟢) 5.699s (+3.4%) 3.728s 10 1.00x
▲ Vercel Next.js (Turbopack) 3.887s (+8.3% 🔺) 4.531s (+14.9% 🔺) 1.832s (+27.8% 🔺) 7.595s (+9.7% 🔺) 3.708s 10 1.97x

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

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 1.561s (~) 2.010s (~) 0.013s (+3.1%) 2.026s (~) 0.465s 30 1.00x
💻 Local Next.js (Turbopack) 1.566s (-5.3% 🟢) 1.974s (-1.4%) 0.013s (+2.8%) 2.027s (-1.6%) 0.462s 30 1.00x
💻 Local Nitro 1.581s (+2.3%) 2.012s (~) 0.012s (-3.1%) 2.027s (~) 0.446s 30 1.01x
🐘 Postgres Nitro 1.594s (+3.5%) 2.006s (~) 0.005s (+0.7%) 2.027s (~) 0.433s 30 1.02x
🐘 Postgres Express 1.608s (+2.8%) 2.004s (~) 0.005s (+2.8%) 2.026s (~) 0.418s 30 1.03x
🐘 Postgres Next.js (Turbopack) 1.654s (~) 2.042s (+1.6%) 0.005s (-11.9% 🟢) 2.059s (+1.6%) 0.405s 30 1.06x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 5.816s (+4.5%) 7.332s (+7.0% 🔺) 0.315s (+45.9% 🔺) 8.250s (+10.2% 🔺) 2.434s 8 1.00x
▲ Vercel Nitro 6.096s (+8.1% 🔺) 7.618s (+7.1% 🔺) 0.259s (+11.6% 🔺) 8.310s (+6.0% 🔺) 2.214s 8 1.05x
▲ Vercel Next.js (Turbopack) 10.790s (+17.1% 🔺) 11.922s (+15.0% 🔺) 0.253s (-52.4% 🟢) 13.272s (+11.6% 🔺) 2.482s 5 1.86x

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

10 parallel streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.774s (+0.7%) 1.009s (-3.7%) 0.000s (+93.1% 🔺) 1.050s (-2.4%) 0.276s 58 1.00x
🐘 Postgres Express 0.808s (+5.3% 🔺) 1.062s (+1.6%) 0.000s (+1.8%) 1.092s (+3.0%) 0.284s 56 1.04x
🐘 Postgres Next.js (Turbopack) 1.037s (-0.6%) 1.419s (-7.7% 🟢) 0.000s (NaN%) 1.427s (-7.7% 🟢) 0.390s 43 1.34x
💻 Local Express 1.219s (-5.8% 🟢) 2.013s (~) 0.000s (~) 2.016s (~) 0.796s 30 1.58x
💻 Local Nitro 1.258s (-2.9%) 1.982s (-1.6%) 0.000s (-3.2%) 1.984s (-1.6%) 0.727s 31 1.62x
💻 Local Next.js (Turbopack) 1.365s (-3.2%) 1.981s (~) 0.000s (-46.2% 🟢) 2.016s (~) 0.652s 30 1.76x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 3.238s (+8.8% 🔺) 4.401s (+0.9%) 0.000s (-50.0% 🟢) 4.884s (~) 1.646s 13 1.00x
▲ Vercel Express 3.466s (+20.1% 🔺) 4.759s (+14.1% 🔺) 0.000s (-100.0% 🟢) 5.424s (+17.7% 🔺) 1.958s 12 1.07x
▲ Vercel Next.js (Turbopack) 5.312s (+18.5% 🔺) 6.120s (+12.4% 🔺) 0.000s (+Infinity% 🔺) 7.252s (+15.5% 🔺) 1.940s 9 1.64x

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

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

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.715s (+1.5%) 2.303s (~) 0.000s (+100.0% 🔺) 2.356s (+1.7%) 0.642s 26 1.00x
🐘 Postgres Nitro 1.821s (+3.8%) 2.493s (+8.9% 🔺) 0.000s (-100.0% 🟢) 2.530s (+9.8% 🔺) 0.709s 24 1.06x
🐘 Postgres Next.js (Turbopack) 2.702s (-6.8% 🟢) 3.213s (-5.2% 🟢) 0.000s (-100.0% 🟢) 3.221s (-5.4% 🟢) 0.519s 19 1.58x
💻 Local Express 3.419s (-6.8% 🟢) 4.025s (-3.4%) 0.001s (+175.0% 🔺) 4.028s (-3.4%) 0.609s 15 1.99x
💻 Local Next.js (Turbopack) 3.498s (-4.1%) 3.930s (-4.7%) 0.001s (+25.0% 🔺) 3.976s (-4.7%) 0.477s 16 2.04x
💻 Local Nitro 3.581s (-4.1%) 4.092s (-3.2%) 0.001s (+25.0% 🔺) 4.096s (-3.2%) 0.515s 15 2.09x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Express 4.643s (+8.6% 🔺) 6.287s (+14.7% 🔺) 0.000s (-100.0% 🟢) 6.766s (+14.2% 🔺) 2.123s 9 1.00x
▲ Vercel Nitro 4.820s (+11.9% 🔺) 6.065s (+6.0% 🔺) 0.000s (NaN%) 6.510s (+4.7%) 1.691s 10 1.04x
▲ Vercel Next.js (Turbopack) 8.287s (+28.8% 🔺) 9.448s (+34.2% 🔺) 0.000s (NaN%) 10.669s (+30.6% 🔺) 2.383s 6 1.78x

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

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Express 9/21
🐘 Postgres Nitro 8/21
▲ Vercel Express 11/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 🐘 Postgres 15/21
Next.js (Turbopack) 🐘 Postgres 15/21
Nitro 🐘 Postgres 14/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Redis + BullMQ: Community world (local development)
  • 🌐 Cloudflare: Community world (local development)
  • 🌐 MySQL: Community world (local development)
  • 🌐 Azure: Community world (local development)
  • 🌐 NATS JetStream: Community world (local development)
  • 🌐 Upstash: Community world (local development)
  • 🌐 Platformatic: Community world (local development)

📋 View full workflow run

@socket-security

socket-security Bot commented Jun 29, 2026

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security
Vulnerability Quality Maintenance License
Addednpm/​typescript@​6.0.3100100909690

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@VaguelySerious VaguelySerious left a comment

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LGTM assuming CI passes

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Backport PR opened against stable: #2706. Merge conflicts were resolved by AI — please review carefully. (backport job run)

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