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🚀 Enhancements

• vercel: Add support for skew protection (#3850)
• bun: Support NITRO_BUN_IDLE_TIMEOUT env variable (#3294)

🔥 Performance

• Process static assets in parallel (#3910)
• Limit concurrency for compressing public assets (#3384)

🩹 Fixes

• firebase: Update gen 1 import to match latest sdk (28406449)
• Correct crypto polyfill (5caca6c0)
• vercel: Handle ISR requests with passQuery: true (#3539)
• dev: Automatically use Content-Encoding: gzip for .gz static files (#3381)
• static: Add vary: accept-encoding for assets with compressed version (#3443)
• dev: Respect opts.json when false for error handler (#3920)
• dev: Apply headers from route rules for static assets (c74d7a17, f059e4ba, be316b49)
• vercel: Avoid adding o11y links for prerendered paths (#3927)
• cloudflare-durable: Expose env bindings in durable handler (#3931)

💅 Refactors

q

• Update firebase-functions type import (d27fbe86)

📖 Documentation

• Add versions select (#3855)
• Fix compatibilityDate value (#3570)

📦 Dependencies

• Update esbuild to 0.27 (a0176dfa)
• Update unwasm to 0.5 (85b057b8)
• Update @vercel/nft to v1 (5aeb9f89)
• Update @rollup/plugin-commonjs to v29 (58d2ff13)
• Update @rollup/plugin-alias to v6 (3f493325)
• Update globby to v16 (7b8da4c0)

🤖 CI

• Avoid bumping h3 to nightly (0b5a9c37)
• Correct ref check for nightly (de8d24c4)

❤️ Contributors

• Pooya Parsa (@pi0)
• Ori (@oritwoen)
• Dmitry Istomin (@tirojal)
• Typed SIGTERM (@typed-sigterm)
• Daniel Roe (@danielroe)
• Oyama Michinoku (@yamanoku)
• WIP (@paulcrussell)
• Kricsleo (@kricsleo)
• Jamaluddin Rumi (@jamaluddinrumi)
• Sébastien Chopin (@atinux)

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🌟 Highlights (since alpha.0)

• Fully supporting rolldown and rolldown-vite
• Even smaller: install size is down to 9MB with ongoing efforts to reduce more
• Runtime performance can get close to 98% of native performances (tested with standard preset on Bun)
• We have bunch of fresh examples
• Removed lots of old hacks, fixed stability issues
• WebSockets supported
• Vite plugins can extend Nitro (RFC)

Join Nitro Discord Server if you have feedbacks and ideas!

🚀 Enhancements

• vite: Support ?assets import (#3662)
• vercel: Support Bun runtime (#3678)
• vite: HMR client when server routes change (#3700)
• vercel: Add back node handler format under a flag (#3709)
• vite: Interoperability between nitro modules and vite plugins (#3712)
• Support node handler format (#3717)
• routes config (#3718)
• Opt-in filesystem routing using serverDir config (#3719)
• vite: rolldown-vite support (#3723)
• routing: Use baseURL config (#3724)
• Export defineConfig and runtime utils from "nitro" (#3726)
• Server fetch utils (#3731)
• vite: Load dot env in preview mode (#3735)
• Improve build info loading (#3743)
• vercel: Switch to node compat if one handler format is node (#3749)
• Automatically detect deno and bun as preset (#3750)
• nitro/tsconfig preset (#3754)
• core: Autoload project tsconfig.json for aliases and JSX options (#3757)
• ⚠️ Migrate to oxc-transform and oxc-minify (#3763)
• renderer.static config (#3765)
• Websocket Support (#3766)
• cloudflare: Enable nodeCompat and deployConfig by default (#3768)
• Auto detect builder (making rollup optional) (#3769)
• Improve sourcemap support (disabled by default) (2753e1cf)
• cloudflare: Enable no_bundle by default (6d7c4b0f)
• cli: Support nitro build --builder (07b725f5)

🔥 Performance

• Upgrade hookable (#3684)
• app: Tree-shake extra routing logic when not needed (#3685)
• Reduce error handler bundle impact (af7f1565)
• app: Tree-shake extra condition (74134d25)
• standard: Only accept standard req (6420d784)
• app: Directly passthrough req (13f66ac2)
• Tree-shake plugins and hooks when not used (#3698)
• Reduce nitroApp.fetch() overhead (#3699)

🩹 Fixes

• vite: Skip pre nitro middleware if path has extension (#3649)
• cloudflare: Properly resolve dev plugin (3afbc402)
• vite: Remove noExternal: true from each service build (#3665)
• build: Avoid replacing unexpected words (#3671)
• cloudflare: Add cloudflare:workers alias in dev (#3663)
• Support autoimports typeFrom property for declaration gen (#3670)
• vite: Call rollup:before hook in dev mode for compatibility (2d199369)
• vite: Consistently call rollup:before. after resolving config (aec6dd26)
• Add hookable sub-dep to runtimeDependencies (5349f852)
• rolldown: Pass minify option (264ba29b)
• vite: Always enable noExternal for prod (cdeb667d)
• Automatically add bun and deno export conditions (#3695)
• vercel: Move bun detection to earlier stage (b34f0492)
• vite: Disable cors in dev (#3692)
• app: Unwrap _request without in operator (7fcd1568)
• Handle sync callHook value (d3b720f0)
• Improve internal dependency resolution (#3702)
• node, bun, deno: Add back unhandled error/rejection traps (#3710)
• vite: Improvements on #3712 (#3712)
• dev: Trap unhandled errors (#3710)
• routing: Normalize and resolve handlers (15669702)
• routing: Filter invalid final handlers (c1a3be05)
• vite: Ignore invalid SSR env without entry (aefcdb31)
• config: Resolve errorHandler config (16b10fb0)
• rolldown, vite: Escape non-safe chars from chunkFileNames (491dc128)
• vite: Set correct builder (fa27a9a2)
• Retry last-build link once (25fa2e9e)
• vite: Only pass transform options in rolldown mode (737f4e6e)
• vite: Use configEnv.command to determine dev mode (#3730)
• vite: Send full-reload to server (#3732)
• vite: Update <!--ssr-outlet--> for prod (ebb040f3)
• Apply baseURL to production assets (#3734)
• vercel: Properly parse x-now-route-matches header (c0ee44bf)
• cloudflare: Workround for rolldown minify issue (#3748)
• Standard preset aliases (5419b335)
• node, bun, deno: Use static import only (#3751)
• vite: Use noExternal list for dev (#3761)
• Resolve full path of strings in modules: [] (23f7bea2)
• Add buildDir to noExternal (c21a33ba)
• cloudflare: Push unenv externals preset to resolved config (5faf0f5e)
• Make nitro/meta side-effect free (2292c661)
• cloudflare: Only enable no_bundle for workers (not pages) (409ecf3c)
• vite: Add route rules only if assetsDir generated (#3774)

💅 Refactors

• vite: Avoid empty lines in CI and test (44b2f091)
• vite: Show original plugin name/hook when failed (b0a49d41)
• vite: Overhaul plugin setup (#3676)
• vite: Enable back nf3 (57503e42)
• vercel: Rename __fallback to __server (4aad3595)
• rollup: Hide THIS_IS_UNDEFINED warn (5f6da290)
• rolldown: Update transform config (3be802f2)
• ESM imports with erasable syntax (#3704)
• ⚠️ Cleanup deno, bun and node presets (#3705)
• ⚠️ Remove defineRender util (#3706)
• vite: Remove __VITE_MANIFEST__ (#3714)
• ⚠️ Registe...

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🩹 Fixes

• Set explicit delimiters to allow $ in replacements (#3689)

Enhancenments

• vercel: Support bun runtime (#3678)

🏡 Chore

• Update unenv (883da31c)

❤️ Contributors

• Pooya Parsa (@pi0)
• Tom Lienard (@QuiiBz)
• James Garbutt (@43081j)

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🩹 Fixes

• build: Avoid replacing window$1 (#3672)
• cloudflare: Add cloudflare:workers alias in dev (#3663)
• Support autoimports typeFrom property for declaration gen (#3670)

🤖 CI

• Try pkg.pr.new (e675f80b, c289b4a3)

❤️ Contributors

• Octavio Araiza (@8ctavio)
• Rihan Arfan (@RihanArfan)
• Pooya Parsa (@pi0)

This is the first version of the Nitro v3, marking a new milestone.

Check out new docs (WIP) for more info and stay tuned for the official blog post by next week.

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🩹 Fixes

• vercel: Always add url to src regex for isr routes (#3595)

📦

• Updated dependencies (diff)

❤️ Contributors

• Pooya Parsa (@pi0)
• Giorgio Boa (@gioboa)

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🩹 Fixes

• vercel: Better o11y for ISR cached routes (#3560, bde8ce85)
• vercel: Generate prerender config for o11y routes matching isr route rule (#3562)
• vercel: Skip o11y routes matching isr route rule (#3563)
• vercel: Move / ISR route before wildcard matches (81c2f9cd)

❤️ Contributors

• Pooya Parsa (@pi0)
• Daniel Roe (@danielroe)

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🩹 Fixes

• vercel: Prefix o11y routes with baseURL (5c58de9b)
• Allow accessing VFS through unix sockets (#3533)
• cloudflare-module: Output _headers file to the correct directory (#3517)
• bun: Respect HOST and NITRO_HOST (#3547)

💅 Refactors

• vercel: Rename __nitro function to __fallback (#3502, 4b28c706)
• vercel: Update function config types (#3505)
• cloudflare: Update node-compat (#3558)

📖 Documentation

• vercel: Minor improvements (#3498)
• Deprecate edgio preset (#3509)

📦 Build

• Remove @netlify/functions dependency (#3556)
• Update node engine to ^20.19.0 (#3557)

🏡 Chore

• Update @vercel/nft to 0.30 (97ff9d5e)
• Update pretty-bytes and unplugin-utils (d847547f)

❤️ Contributors

• Pooya Parsa (@pi0)
• MrlingXD (@wling-art)
• Adam DeHaven (@adamdehaven)
• Julien Huang (@huang-julien)
• Luke Nelson (@luc122c)
• Anthony Shew (@anthonyshew)

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🩹 Fixes

• vercel: Valid regex for o11y routes (#3500)

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🩹 Fixes

• config: Fallback to nitro-dev for older compatibility dates (#3487)
• Store nitro.json commands relative to output dir (#3492)
• cloudflare: Lowercase auto generated worker name (#3490)

❤️ Contributors

• Falestio Hanif (@Falestio)