• Rebuild a lazy barrel in watch when what it defers changes, and keep the imports and re-exports it still runs. (by @aryanraj45 in #22699)

• Rebuild under cacheUnaffected a module whose re-export target goes or returns. (by @aryanraj45 in #22749)

• Fix "Self-reference dependency has unused export name" for CommonJS namespace re-exports. (by @alexander-akait in #22791)

• Fix exportType: "style" CSS modules throwing outside the runtime chunk. (by @lazerg in #22833)

• Fix crash when a CSS module with exportType: "style" imports an ignored stylesheet. (by @codeXsidd in #22846)

• Keep empty process environment variables that .env files don't define in DotenvPlugin. (by @alexander-akait in #22794)

• Rehash an ESM entry chunk when a chunk it imports by file name changes. (by @alexander-akait in #22804)

• Handle a NUL inside an HTML CDATA section the way the parsing spec does. (by @dependabot in #22811)

• Keep module exports live across chunks, runtimes, HMR and eval, sparing globals. (by @alexander-akait in #22733)

• Await asynchronous modules that ProvidePlugin injects into ES modules. (by @alexander-akait in #22728)

• Keep a resolve that ends after the compiler closed from throwing. (by @alexander-akait in #22795)

• Preserve string names passed to SharedWorker constructors. (by @bjohansebas in #22770)

• Preserve string contents when extracting source map comments. (by @bjohansebas in #22768)

• Scope strict-mode, async and generator block function declarations to their block. (by @alexander-akait in #22800)

• Preserve raw dotenv values when reusing cached environment files. (by @Eshiv-Pandey in #22787)

• Preserve assigned or patched built-ins, conversions and pattern targets. (by @aryanraj45 in #22761)

• Keep globals a globalThis write replaces, and slice on a patched array. (by @alexander-akait in #22862)

• Skip HTML script tags for shared chunks that emit no JavaScript. (by @bjohansebas in #22779)

• Keep the digits Firefox lays out a minified CSS percentage with. (by @alexander-akait in #22718)

• Reject a second srcset descriptor after a 0x density descriptor. (by @alexander-akait in #22741)

• Minify JavaScript faster, folding string methods on constants and x -= 1. (by @alexander-akait in #22823)

• Shorten minified JavaScript, and keep it running like its source. (by @alexander-akait in #22717)

• Drop more unused functions, arguments, calls, global reads and variable copies when minifying JavaScript. (by @alexander-akait in #22789)

• Minify JavaScript smaller where swc does, and fold a function's length right. (by @alexander-akait in #22826)

• Reduce JavaScript output size where oxc or swc produce smaller output. (by @alexander-akait in #22829)

• Update watchpack to 2.6.3 and rebuild on a node_modules created mid-build. (by @alexander-akait in #22743)

• Support concatenateModules with cacheUnaffected. (by @alexander-akait in #22746)

• Update schema-utils to 4.8.1. (by @alexander-akait in #22774)

• Keep CSS fallbacks, vendor overrides, oklch() hues and HTML elements. (by @alexander-akait in #22753)

• Validate CleanPlugin and DotenvPlugin options with a precompiled check, so valid options no longer compile their schema at startup. (by @alexander-akait in #22758)

• Speed up startup and CSS minification, sharing the compile cache with workers. (by @xiaoxiaojx in #22706)

• Use precise, generic types for modules, parsers, generators, stats and loaders. (by @alexander-akait in #22731)

• Cap bot user-agent matching at 1KB: #100604
• Pass lazy response lifecycle capabilities into App rendering: #100395
• Upgrade testmode interceptors to 0.45.9: #100585
• Defer React loading until fetch dedupe construction: #100401
• Avoid loading standalone React by separating render validation: #100467

• fix(turbopack): evaluate pure constructor callees: #100588
• Add webpack utils: #99826
• Stop requiring build-all when bootstrapping a fresh clone or worktree: #100600
• Fix webpack build dependency cell creation order: #100597
• More parity for webpack loader build dependencies: #99549
• Extend lazy server imports to route handlers and Pages: #99541
• test: enable log-file and worker-react-refresh in deploy mode: #100480
• ci: only declare a Vercel deploy target for webpack runs without a custom script: #100479
• Turbopack: Honor PURE annotations for callback arguments: #100577
• test: add non-adapter deploy snapshots to otel-middleware-trace: #100583
• Update Rspack development test manifest: #100557
• Update Rspack production test manifest: #100558
• ci: Fix ast-grep CI step: #100569

Huge thanks to @mischnic, @jimmyhmiller, @eps1lon, @kassens, @jamiboym, and @sokra for helping!

Release 2026-10-22 20:11

• start-plugin-core: skip the Rsbuild import-protection loader when disabled (#8748) (ed5577593a) by @guru-irl
• start-plugin-core: skip unchanged server function resolver rebuilds in Rsbuild dev (#8750) (63a886da90) by @guru-irl
• react-router: publish agent skills (#8671) (689a7c5419) by @Sheraff

• start-plugin-core: skip resolving member calls on non-namespace receivers (#8758) (d9b07e8d3b) by @shkumbinhasani

• router-plugin: remove enableRouteGeneration option (#8737) (647cb737a5) by @Sheraff

• update Node.js to 26.12.1 (#8779) (08a419c109) by @Sheraff

• @tanstack/react-router@1.170.46
• @tanstack/react-start@1.169.4
• @tanstack/react-start-client@1.168.44
• @tanstack/react-start-rsc@0.1.65
• @tanstack/react-start-server@1.167.52
• @tanstack/router-cli@1.167.46
• @tanstack/router-core@1.171.39
• @tanstack/router-generator@1.167.46
• @tanstack/router-plugin@1.168.48
• @tanstack/router-vite-plugin@1.167.48
• @tanstack/solid-router@1.170.43
• @tanstack/solid-start@1.169.4
• @tanstack/solid-start-client@1.168.42
• @tanstack/solid-start-server@1.167.50
• @tanstack/start-client-core@1.170.39
• @tanstack/start-plugin-core@1.171.55
• @tanstack/start-server-core@1.169.45
• @tanstack/start-static-server-functions@1.167.44
• @tanstack/start-storage-context@1.167.41
• @tanstack/vue-router@1.170.42
• @tanstack/vue-start@1.169.4
• @tanstack/vue-start-client@1.167.45
• @tanstack/vue-start-server@1.167.50

• Updated dependencies [32a3360]:
  • @tanstack/router-core@1.171.39
  • @tanstack/start-server-core@1.169.45
  • @tanstack/vue-router@1.170.42

• Updated dependencies [32a3360]:
  • @tanstack/react-start@1.169.4
  • @tanstack/solid-start@1.169.4
  • @tanstack/start-client-core@1.170.39

• #8670 32a3360 - Reference agent skills in other packages by their intent load identifier (@tanstack/<package>#<skill>) instead of relative file links that break once packages are installed.

• Updated dependencies [32a3360]:

  • @tanstack/router-core@1.171.39
  • @tanstack/start-client-core@1.170.39
  • @tanstack/start-storage-context@1.167.41

• #8670 32a3360 - Reference agent skills in other packages by their intent load identifier (@tanstack/<package>#<skill>) instead of relative file links that break once packages are installed.

• Updated dependencies [32a3360, ed55775, 63a886d, d9b07e8]:

  • @tanstack/start-client-core@1.170.39
  • @tanstack/start-server-core@1.169.45
  • @tanstack/vue-router@1.170.42
  • @tanstack/start-plugin-core@1.171.55
  • @tanstack/vue-start-client@1.167.45
  • @tanstack/vue-start-server@1.167.50

• #8670 32a3360 - Reference agent skills in other packages by their intent load identifier (@tanstack/<package>#<skill>) instead of relative file links that break once packages are installed.

• Updated dependencies [32a3360]:

  • @tanstack/router-core@1.171.39

• Updated dependencies [32a3360]:
  • @tanstack/router-core@1.171.39

• Updated dependencies [32a3360]:
  • @tanstack/router-core@1.171.39
  • @tanstack/start-client-core@1.170.39
  • @tanstack/vue-router@1.170.42