v15.3.0-canary.18

Core Changes

• Turbopack: implement optimized css production chunking: #77284
• only log when instrumentation client takes too long: #77378

Misc Changes

• Update Turbopack production test manifest: #77366
• Update Turbopack development test manifest: #77365
• Turbopack: ignore static asset imports for Edge: #77382
• Update bundler development test manifest: #77364

Credits

Huge thanks to @sokra, @mischnic, and @gaojude for helping!

v15.3.0-canary.17

Core Changes

• clean up useReducer code re dev indicator: #77354
• test: ensure that router identity stays stable when navigating: #77356
• [dev-overlay] Remove unused fields from hydration error state: #77332

Credits

Huge thanks to @gaojude, @lubieowoce, and @eps1lon for helping!

v15.3.0-canary.16

Core Changes

• [dev-overlay] Make footer sticky without side effects: #77327
• Alternate bundler: show state in app info message: #77259
• Revert "Turbopack: layout segment optimization for Pages": #77339
• [metadata] add Yeti to html limited bots: #77335
• [dev-overlay] Remove unused code from pages: #77325
• [metadata] remove dead code of metadata routes handling: #77336
• Alternate bundler: pass more tests and update to 1.3.0-beta: #77269
• [metadata] fix the metadata route like pages and refactor utils: #77264
• fix: absolute assetPrefix url with path: #77256

Misc Changes

• fix(CI build_and_deploy): Use a larger fetch-depth for build-native job: #77307
• chore(turbopack): Fix a few syntactic nits: #77310
• Update bundler development test manifest: #77315
• Turbopack: refactor CssEmbed to avoid creating a chunk item: #77303
• fix: Update swc_core and use rayon instead of chili: #77338
• Fix chakra link: #77280

Credits

Huge thanks to @raunofreiberg, @bgw, @wbinnssmith, @huozhi, @sokra, @eps1lon, @kdy1, @ahabhgk, @Amirroid, and @Netail for helping!

v15.3.0-canary.15

Core Changes

• Upgrade React from c69a5fc5-20250318 to db7dfe05-20250319: #77295
• Turbopack: layout segment optimization for Pages: #74815

Misc Changes

• Update Turbopack production test manifest: #77316
• Update Turbopack development test manifest: #77317
• Update bundler production test manifest: #77314
• fix(turbopack): Call .minify() of lightningcss StyleSheet: #77313

Credits

Huge thanks to @kdy1 and @mischnic for helping!

v15.3.0-canary.14

Core Changes

• Upgrade React from 5398b711-20250314 to c69a5fc5-20250318: #77249
• [ppr] Handle failed resume data cache entries: #77258
• Bypass "use cache" caches when Draft Mode is enabled: #77141
• chore(HMR clients): Clean up tryApplyUpdates, reduce differences between app/pages versions: #77219

Misc Changes

• devlow-bench: wait for complete ready for server startup event: #77217
• fix(CI): Re-enable retries for bundler integration tests: #77265
• Turbopack: handle non chunkable modules in module batches: #77282
• Update Turbopack development test manifest: #77276
• Update Turbopack production test manifest: #77275
• Turbopack: avoid single css chunks when there is only a single chunk item: #77283
• Update bundler development test manifest: #77272
• Update bundler production test manifest: #77273
• Turbopack: compute ordered entries in module batches: #77294

Credits

Huge thanks to @wbinnssmith, @bgw, @sokra, @wyattjoh, and @unstubbable for helping!

v15.3.0-canary.13

Core Changes

• chore(HMR clients): Fix a bunch of typescript errors by including the appropriate webpack type declarations: #77207
• Update cache handler interface: #76687
• Turbopack: don't include AMP optimizer in NFT: #77242
• Server actions should not read stale data after calling revalidate*: #76885
• [dev-overlay] Blur fader for scrollable container: #77196
• Make revalidate* work when followed by a redirect in a route handler: #77090
• feat: onNavigate for link: #77209
• fix: pass telemetry plugin rspack tests: #77257
• feat(eslint-plugin): add minimal built-in flat presets: #73873
• [perf] skip loading client manifest for static metadata routes: #77260

Misc Changes

• fix(test/e2e/prerender): Remove race condition in test: #77222
• Update Turbopack production test manifest: #77228
• Update Turbopack development test manifest: #77227
• [Turbopack] basic production chunking for CSS: #75049
• docs: optimizing local dev: #77140
• Update bundler production test manifest: #77225

Credits

Huge thanks to @bgw, @sokra, @unstubbable, @leerob, @mischnic, @raunofreiberg, @gaojude, @ScriptedAlchemy, @SukkaW, and @huozhi for helping!

v15.3.0-canary.12

Core Changes

• chore(react-dev-overlay): Remove confusingly underscored variables in useErrorOverlayReducer: #77205
• Update middleware request header: #77201
• Update default allowed origins list: #77212
• Ensure deploymentId is used for CSS preloads: #77210

Example Changes

• with-polyfills example: only link to specific browsers: #77211
• Add example for alternate bundler: #77057

Misc Changes

• Turbopack: more tracing: #75351
• Update bundler development test manifest: #77180
• Better failure tracking for middleware-custom-matchers-i18n: #76974
• Update bundler production test manifest: #77179

Credits

Huge thanks to @mischnic, @bgw, @ijjk, and @wbinnssmith for helping!

v15.3.0-canary.11

Core Changes

• [dev-overlay] Fix stacking order of highlighted line: #77189
• Upgrade React from 6aa8254b-20250312 to 5398b711-20250314: #77129
• fix(styled-jsx): Pass useLightningcss option to styled-jsx correctly: #77008
• log the instrumentation-client execution time: #77121
• Turbopack: canary-gate production builds: #77146
• [dev-overlay] remove special handling for missing tag error : #77147

Misc Changes

• build: Update swc_core to v16.6.0: #77155
• Allow building node-pty in tests: #77187
• Don't mark ppr-errors Turbopack dev tests as failed: #76951
• Bump lightningcss: #77132
• Update Turbopack production test manifest: #77183
• Turbopack: fix graph layout segment optimization: #77094
• Turbopack: split up server actions modules for better treeshaking: #76877
• Turbopack: conditional parse in apply_module_type: #77191
• build: Update swc_core to v16.6.2: #77194

Credits

Huge thanks to @kdy1, @raunofreiberg, @mischnic, @gaojude, @wbinnssmith, and @huozhi for helping!

v15.2.3

Note

This release is backporting bug fixes. It does not include all pending features/changes on canary.
This release contains a security patch for CVE-2025-29927.

Core Changes

• Update default allowed origins list (#77212)
• unify allowed origin detection handling (#77053)
• Add dev warning for cross-origin and stabilize allowedDevOrigins (#77044)
• Ensure deploymentId is used for CSS preloads (#77210)
• Update middleware request header (#77201)
• [metadata] remove the default segement check for metadata rendering (#77119)
• [ts-hint] fix vscode type hint plugin enabling (#77099)
• [metadata] re-insert icons to head for streamed metadata (#76915)

Credits

Huge thanks to @ijjk, @ztanner, and @huozhi for helping!

v14.2.25

Note

This release is backporting bug fixes. It does not include all pending features/changes on canary.
This release contains a security patch for CVE-2025-29927.

Core Changes

• Update middleware request header (#77202)

Credits

Huge thanks to @ijjk for helping!