v15.3.0-canary.20

Core Changes

• remove direct ip/port bypass in dev origin check: #77414
• ensure /__next middleware URLs are included in the origin check: #77416
• exclude images and static media from dev origin check: #77417
• Refactor metadata and viewport preloading: #77400
• [dev-overlay] Remove unused fields from unhandled error action event: #77333

Misc Changes

• docs: clarify middleware use cases: #77438

Credits

Huge thanks to @ztanner, @leerob, @gnoff, and @eps1lon for helping!

v12.3.5

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

• [backport] middleware subrequest patch (#77424)

v15.3.0-canary.19

Core Changes

• switch development origin verification to be opt-in rather than opt-out: #77395

Credits

Huge thanks to @ztanner for helping!

v13.5.9

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

• [backport] middleware subrequest patch (#77418)

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!