vercel/next.js v12.2.4 on GitHub

Core Changes

Fix error message typos: #38894
Update to latest version of @vercel/nft: #38878
fix(#38090): add missing analyticsId to config schema: #38911
Ensure hash on initial request is preserved in new router: #38913
Remove unnecessary assertions: #38899
Clear unnecessary code: #38900
fix: Impl attachRequestMeta in base server to handle meta differently in edge and node servers: #38932
feat: enhance warning messages about unanalyzable config field: #38907
fix: fix generateEtags type inside schema: #38936
Refactor router reducer: #38983
Add state comparison to router: #38422
update webpack: #38988
Update config schema for empty basePath: #38998
Add handling for prefetching onTouchStart and initial mobile testing : #38805
Add additional comments to new router: #38986
Update config-schema for relay field to be less strict: #39010
Add config for opting out of optimistic client cache behavior: #38774
Fix tracing edge-runtime dependencies: #39009
Ensure dangerouslyAllowSVG is passed correctly: #39031
Handle getStaticPaths error inside worker to avoid serializing: #39032
chore: enable swc externalHelpers when pre-compile: #38182
Update to use HEAD request for On-Demand ISR: #39038
chore: Clean up imports and unused code: #39044
Replace node-sass test dependency with sass: #39053
Add comments in new router reducer: #39025
Add additional comments for reducer/cachenode: #39065
fix: print Request & Response properties: #38903
fix: show asPath on large page data warning: #39071
Remove RSC rendering from render: #39045
Ensure query is updated correctly with shallow and middleware: #39086
Update pre-compiled to fix check: #39089
Fix unhandled rejections with edge runtime: #39091
feat(next-swc): Update swc: #39055
Collect telemetry for next/future/image: #39046
[Script] Adds onReady prop to next/script: #38849
Ensure we hard navigate for failed _next/data with middleware: #39148
Refactor Flight plugins to use types.: #39136
Fix middleware + afterFiles SSG rewrite case: #39153
Update swc minifier: #39158
Fix incorrect component cache for middleware cases: #39159
Add shared dynamic api: #39163
Add exportPathMap config type/schema field: #39171
Fix default error style overrides: #39169
refactor: return single middleware from getMiddleware in dev server: #39177
fix(#11930): rewritten api routes can correctly handle cors in dev mode: #38937
refactor: simplify middleware execution: #39192
Add missing @napi-rs/cli devDependency to next-swc: #39164
Fix missing edge routes in dev middleware manifest: #39199
Fix: only contain middleware in dev middleware manifest: #39217
fix: react dev bundle is picked in prod mode: #39221
Add "fill" mode to next/future/image: #38855
Handle assetPrefix in app: #39236
Export URLPattern from next/server: #39219
Ensure middleware has single data fetch on query hydration with valid props: #39210
Fix URLPattern next/server export on deploy: #39290
Flush styles effects: #39268
chore: rename typo middlewares to interceptors in hot reloader: #39292
Remove default setting for object-fit on future fill images: #39297
feat(config): implement a human readable ajv errors: #39291
Enable concurrent mode by default in app-render: #39307
Fix next/server being required during build: #39310
feat(next-swc/wasm): export async interfaces: #39231
Ensure On-Demand revalidate does not consider preview cookie: #39313
fix: buffer is not usable on edge runtime: #39227

Documentation Changes

Remove next-page-tester from testing.md: #38920
Add section about building getStaticPaths on-demand.: #38943
Docs: Fix grammatical typo: #38962
docs: update typescript.md: #38717
Add note to next/future/image about default styles.: #38978
Add caveat note about shallow routing with middleware: #39154
fix: Update testing.md: #39195
Replaces getStaticProps with getStaticPaths: #39218
Clear up rewrites documentation: #39238
Add section about migrating from next/image to next/future/image: #39270
[docs] Clarify polyfill support: #39272
fix typo: docs/advanced-features/react-18/streaming.md: #39293
docs: add missing dot: #39314

Example Changes

Add example with cookies-next package: #31243
chore(example): convert with-stitches to TS: #38892
Update Convex example not to ignore generated files: #38931
Convert custom-routes-proxying example to TypeScript: #38974
Added workaround for --isolatedModules inside of configuration files: #39004
Update default gitignore templates: #39051
docs(examples): improve DX while copying command to create new project: #38410
docs(example): Update Makeswift example: #39070
fix: use if..elif..else in docker examples: #39072
feat(with-mux-video): Update mux-player scope and version to latest.: #39079
Convert cms-agilitycms example to TypeScript: #38976
Convert the Cypress config to ESM Module syntax: #39036
fix: missing semicolon on Dockerfile: #39142
Fix typo in with-docker-compose README: #39176
examples/with-msw-typescript: #39196
Update edgedb.toml: #39243
fix: use if...else in dockerfile: #39263
Add TypeScript to ant design example: #38470

Misc Changes

Update Safari 10 test to no longer wait for modern Safari: #39028
Update delayed test output handling: #39078
Update tests to use random directory: #39230
Update Android NDK path for swc builds: #39298
Add delay before exiting tests for log flushing: #39302
chore(trace): fix typo in trace-to-event-format.mjs: #39279

Credits

Huge thanks to @theMosaad, @SukkaW, @timneutkens, @Yuddomack, @msquitieri, @andreizanik, @nix6839, @shuding, @thomasballinger, @ziishaned, @leerob, @xyeres, @nyedidikeke, @maxproske, @sokra, @titusdmoore, @thebergamo, @fikrikarim, @Kikobeats, @balazsorban44, @clearlyTHUYDOAN, @ijjk, @nasso, @qutek, @kdy1, @kyliau, @housseindjirdeh, @huozhi, @barissayil, @seveibar, @Jessidhia, @santidalmasso, @JohnDaly, @Nikhilnama18, @atcastle, @styfle, @Schniz, @mduleone, @colinhacks, @ductnn, @josh, @hiro0218, @eltociear, @kwonoj, @valcosmos, and @feugy for helping!