v15.4.0-canary.57

Core Changes

• fix: preload fonts in template.js: #79417
• feat: using eval source map plugin for Rspack: #79199
• feat: using builtin CssChunkingPlugin for rspack: #79762
• fix(napi): Update generated types, add alias for RcStr: #79915
• [dev-overlay] Fix highlighted line cut off on scroll: #79930
• fix(next/font): allow custom font-family in declarations: #76274

Example Changes

• refactor(napi): Implement napi traits for RcStr: #79806

Misc Changes

• Update Rspack development test manifest: #79772
• chore(turbo-tasks-backend): Fix build with --features turbo-tasks-backend/lmdb: #79530
• Turbopack: persist and compare errors and panics: #77935
• Turbopack: add test for reexport cycles: #79792
• [release-new] fix: slack notification only if is a publish workflow: #79933
• Update Rspack production test manifest: #79923
• chore(ci): Configure small benchmark for builds: #79796

Credits

Huge thanks to @lpalmes, @bgw, @SyMind, @raunofreiberg, @sokra, @imskyleen, @devjiwonchoi, and @kdy1 for helping!

v15.3.3

Note

This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Reinstate vary (#79939)
• fix(next-swc): Fix interestingness detection for React Compiler (#79558)
• fix(next-swc): Fix react compiler usefulness detector (#79480)
• fix(dev-overlay): Better handle edge-case file paths in launchEditor (#79526)
• Client router should discard stale prefetch entries for static pages (#79362)

Credits

Huge thanks to @gaojude, @kdy1, @bgw, and @unstubbable for helping!

v15.4.0-canary.56

Core Changes

• chore: update rspack to 1.3.12: #79428
• Enable repeated tsc runs in packages/next without having to build first: #79782
• Run tsc in watch mode during pnpm dev: #79785

Example Changes

• chore: Update the with-supabase example to use the Supabase Auth block: #78913

Misc Changes

• Docs: Fix headings: #79777
• Turbopack Build: Fix metadata test: #79776
• chore(turbopack): Update swc_core to v26.2.2: #79756
• re-enable vary header deploy test: #79753
• refactor(turbopack): Preserve indents in dev mode codegen: #79786
• Docs: force-static w/ revalidate, revalidatePath, and revalidateTag: #79780
• Turbopack: split meta data and AQMF into separate files: #79659
• Update script location used in pnpm unpack-next: #79626
• chore(ci): Configure automated benchmark for turbopack: #79791
• [turbopack] Reduce the size of module graph datastructures: #79706
• chore(ci): Add large benchmark: #79793
• Update Turbopack development test manifest: #79774
• Update Turbopack production test manifest: #79773
• fix(next-swc): Fix specificity issue of styled-jsx in lightningcss mode: #79802

Credits

Huge thanks to @SyMind, @delbaoliveira, @timneutkens, @eps1lon, @kdy1, @gaojude, @unstubbable, @icyJoseph, @sokra, @ivasilov, and @lukesandberg for helping!

v15.4.0-canary.55

Core Changes

• misc: remove leftover clientInstrumentationHook type: #79701
• cleanup(turbopack): Embed Global vs Specific channel type in the Rust type system: #79291
• [dev-overlay] Show error overlay on any thrown value in /app: #79658
• [dev-overlay] Move error handlers into dispatcher in /app: #79660
• Verify cache-busting param during segment prefetch: #79563
• update(turbopack): Update the messaging UX for timing writing files to disk: #79469
• [dev-overlay] Move Redbox open/close into dispatcher: #79698

Misc Changes

• Turbopack Build: Fix middleware rewrite test: #79697
• Update flakey empty-project test: #79734
• Update Rspack production test manifest: #79645
• Update Turbopack development test manifest: #79646
• Update Rspack development test manifest: #79644
• perf(turbopack): Remove indent in intermediate string: #79754
• fix(turbopack): Use comments instead of AST nodes for unreachables: #79703

Credits

Huge thanks to @r34son, @Cy-Tek, @eps1lon, @timneutkens, @ijjk, @acdlite, and @kdy1 for helping!

v15.4.0-canary.54

Core Changes

• Turbopack: derive de/serialize for loader config: #79581
• Update font data: #79642
• Avoid bundling dev overlay in page template: #79641
• Enable preview builds for forks: #79648

Misc Changes

• chore(turbo-tasks): Remove old and unused turbo-tasks-memory backend: #79560
• Update Turbopack development test manifest: #79603
• Enforce consistency between packages in preview builds: #79610
• Turbopack: improve error handling when DB read/deserialization fails: #79545
• Docs IA 2.0: Create Forms guide: #79288
• Docs IA 2.0: Create intercepting and parallel routes API reference: #79405
• Docs IA 2.0: Add examples to layout.js: #79453
• Docs IA 2.0: Update template.js API reference: #79490
• Docs IA 2.0: Create Dynamic Segments API reference, add example to getting started. : #79439
• Turbopack: avoid panics due to eventual consistency: #79242
• Next IA 2.0: Create Route Groups API reference, simplifying wording: #79444
• Update Turbopack production test manifest: #79647
• Docs IA 2.0: Move Redirects page to guides: #79447
• Docs IA 2.0: Add Caching and Revalidating page: #79493
• Docs: scrub html in ld+json script: #79627
• Turbopack Build: Fix edge _document test: #79628
• Turbopack Build: Fix conflicting page error: #79634
• Turbopack Build: Fix runtime value test: #79654
• Docs IA 2.0: Delete Error Handling page: #79495
• Turbopack Build: Skip edge stacktrace test: #79661
• Fix name tracking for closures in server actions transform: #79657

Credits

Huge thanks to @bgw, @wbinnssmith, @eps1lon, @sokra, @delbaoliveira, @icyJoseph, @timneutkens, @ijjk, and @unstubbable for helping!

v15.4.0-canary.53

Core Changes

• [ppr] Narrow condition for fallback shell generation at runtime: #79565

Misc Changes

• Turbopack: use unsigned values for follower and upper edges: #79489
• [release] fix: correctly set tag during publish: #79548
• [release] use backport NPM dist tag for backports: #79538
• [release-new] fix: release pr commit contains (#number) at last: #79611
• Unflake Undefined default export test: #79632
• [release-new] move "add label to pr" workflow from publish to trigger: #79619

Credits

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

v15.4.0-canary.52

Misc Changes

• Fix --tag argument in publish-release: #79599
• Ensure scripts are included in root tsconfig: #79600
• [release] fix: GITHUB_TOKEN is needed to open release pr: #79609
• [release-old] use backport NPM dist tag instead of stable for backports: #79612

Credits

Huge thanks to @ijjk and @devjiwonchoi for helping!

v15.4.0-canary.51

Misc Changes

• Disable "use cache" deploy tests: #79586
• report build-and-deploy failures only after retries: #79574
• [release-legacy] fix: set stable dist tag for backport releases instead of latest: #79596
• docs (data fetching): fix typo in startTransition call: #79578

Credits

Huge thanks to @unstubbable, @ztanner, @devjiwonchoi, and @bcdipesh for helping!

v15.4.0-canary.50

Misc Changes

• de-flake ReactRefreshLogBox (app): #79573

Credits

Huge thanks to @ztanner for helping!

v15.4.0-canary.49

Core Changes

• fix(dev-overlay): Better handle edge-case file paths in launchEditor: #79526
• [build-sourcemaps] Increase stacktrace limit during prerender: #79498
• fix: Rspack not skip .d.ts file: #79285
• Revert "[next-server] skip setting vary header for basic routes": #79426

Misc Changes

• Update Rspack production test manifest: #79484
• Update Rspack development test manifest: #79485
• Update Turbopack production test manifest: #79487
• Update Turbopack development test manifest: #79488
• docs: Rename CSS snippet to blog.module.css: #79507
• add feature flag to verify aggregation graph: #78964
• Turbopack: leave chunks in rscModuleMapping empty: #79511
• [release] use changesets/action for release-candidate: #79039
• [release] notify release status via slack: #79409
• refactor(turbopack): Refactor usage of visitors: #79525
• [turbopack] Fix the stubbed out implementation of signature so that it works in a web worker.: #79509
• fix(next-swc): Fix interestingness detection for React Compiler: #79499
• perf(turbopack): Remove extra indirection: #79553
• refactor(turbopack): Remove PassFactory: #79555
• Fix build and deploy workflow: #79569
• Add final build job to validate: #79570

Credits

Huge thanks to @bgw, @eps1lon, @icyJoseph, @sokra, @mischnic, @devjiwonchoi, @kdy1, @lukesandberg, @SyMind, @ijjk, and @gaojude for helping!