Core Changes

• Add codemod documentation:#16067
• Remove tslint disables:#16116
• Strongly type PageLoader:#16132
• Strongly type Head Manager:#16144
• Improve page loader types:#16145
• Dedupe ComponentRes type:#16148
• Remove unused router method:#16149
• Add initial handling for dynamic route href resolving and rewrites on the client:#15231
• Reduce router code:#16159
• Convert performance relayer to TypeScript:#16161
• Convert next/client to TypeScript:#16167
• Remove unused dependency:#16168
• Share NEXT_DATA type instead of recreating it:#16174
• Modify low priority files in manifest:#16181
• fix: add missing dependency caniuse-lite:#16091
• Refactor files:#16184
• Update rewrite params query appending:#16189
• Update to Terser 5:#16194
• Make css-minimizer compatible with webpack 5:#16250
• Fix data URL with root-catchall and basePath:#16263
• Handle cases whereconfig is exported after its declaration:#16211
• ci: add pnp test:#16255
• Update stylesheets on page navigation:#16126
• Fix forEach error in CSS commit in ie11:#16282
• Allow React experimental version without warning:#16140
• Add experimental webpack 5 cache option:#16307
• Fix old TypeScript version compatibility:#16288
• Replace brokenprop-types-exact package:#15953
• Force browser to recompute layout on page nav:#16318
• Add<link> attributes in proper order:#16319
• Add at attribute to image preload link:#16328
• Fix IE11 CSS Compatibility:#16336
• MakeloadPage track success of script loading:#16334
• Normalize request URL/asPath for fallback SSG pages:#16352
• Reduce filesystem lookups during bootup:#16354
• Fix basePath and public folder check ending routes early:#16356
• Fix page checking failing with trailingSlash:#16362
• Add serialization for mini-css-plugin webpack 5 caching:#16379
• Correct comment on --help:#16391
• Fix mini-css-plugin webpack 5 deprecation warnings:#16390
• Add debug flag for extra build output:#16399
• Warn on duplicate Sass deps:#16398
• Ensure unknown static paths 404 for data request:#16401
• AMP compatibility for Font optimization:#16208
• Solve last mini-css-plugin webpack 5 warning:#16447
• Fix optional catch-all/index revalidate params:#16451
• Do not alias Node modules for webpack 4:#16452
• Fix un-transpiled client file with rewrites:#16453
• Make sure to break rewrites chain when dynamic route matches:#16455
• Fix render cancel behavior:#16462
• Add webpack 5 caching for css optimizer:#16467
• Correct shallow routing behavior through history:#16477
• Correct initial fallback route param values:#16485
• Add webpack 5 cache invalidation:#16494
• Add error when document component isn't rendered:#16459
• Update Fast Refresh warning:#16496
• Store css file dependencies info for dynamic imports and apply it at SSR:#12843
• Enable webpack 5 caching by default:#16531
• Reuse existing<link rel=stylesheet> on nav:#16537
• Replace client-side transitions with <style> tags:#16581
• Do not rely oncssText:#16611
• remove unneeded error:#16636
• fix: Promise.prototype.finally is object:#16620
• Auto enable React's new JSX transform on 17.x:#16603
• fix: Promise.prototype.finally is object:#16620
• Export return type for GetStaticPaths:#16580
• [test] Update hydration marker for React 17:#16756
• Revert#14580:#16757

Documentation Changes

• Fix link to create-next-app docs:#16069
• Mention header overriding behavior:#16089
• Correct a couple of small grammar errors.:#16221
• how to bundle-analyzer with next-compose-plugins:#15370
• Update docs for server-side code in GS(S)P props:#16198
• Fix typo in fast-refresh.md:#16292
• Update build CLI docs with new flag:#16419
• Add version note to path aliases docs:#16479
• Document req and res:#16432
• Documentation updates:#16503
• Update fast-refresh.md to fix 404 link:#16505
• Add Kontent example:#16034
• Fix github docs links:#16540
• Include yarn instructions:#16565
• Add activeClassName to Link examples:#16658
• Clarify sending to Google Analytics in reportWebVitals:#16664
• Update preview mode docs to include API Routes:#16705

Example Changes

• Fix: with-firebase-authentication event listener:#16057
• update with-filbert-js:#15968
• Add stripPrefix of webpack://_N_E/:#15955
• Add with-reactstrap example:#15474
• removed renderToHTML definition from with-flow example:#16137
• removed renderToHTML from ssr-caching and custom-server-hapi in examples:#16138
• examples: Add with-supabase-auth-realtime-db example.:#16016
• Add MSW usage example:#13731
• Update Storybook examples to v6.0:#16139
• Added next-sitemap example:#15997
• [Examples] Remove horizontal scroll in CMS examples :#16295
• Add example: Unsplash integration:#16142
• Remove experimental example:#16497
• basePath should also append in urlPrefix:#16376
• Update environment variables example:#16536
• examples/with-styled-components: Fix missing peerDependency:#16532
• feat: upgrade react-intl workflow in example:#16215
• Update with-tailwindcss example:#16370
• Add with-mdx-remote example:#16613
• Update README.mb:#16676
• Update with-typescript-graphql:#16101
• Upgrade typescript to 4.0:#16673
• [Example] fix with-firebase-hosting:#16577
• Simplify example usage instructions:#16678
• Ensure all examples are MIT licensed:#16691
• Update _app.js to use a function component.:#16683
• Add cross-env to ensure examples work on Windows 10:#16694
• fix: fix hashing algo and locale value hydration:#16692
• [EXAMPLE] with-framer-motion: fix broken images:#16714

Misc Changes

• Add test case for preloading buildManifest:#16183
• Test basic css module prefetching without compose:#16134
• Fix module not found test
• CNA: Add warning about permission:#14889
• Eslint preload:#16199
• Update next-google-analytics to work with .env files:#16529
• Increase font test timeout for Windows:#16527
• Add tests for preview mode caching:#16579
• Add missing gitignore files

Credits

Huge thanks to@francisrod01,@kuldeepkeshwar,@tm1000,@ijjk,@khasty720,@Timer,@madiknox,@thorwebdev,@merceyz,@kettanaito,@rafaelalmeidatk, @tuan-m-ng,@cargallo,@chicoxyzzy,@kevva,@iamvishnusankar,@agarwalrounak,@jamesmosier,@louisjuliendo,@timneutkens,@todortotev,@atcastle,@matamatanot,@sclm,@prateekbh,@janicklas-ralph,@crashncrow,@sharils,@lfades,@weichienhung,@khades,@christianpv,@Simply007,@simnalamburt,@jaredpalmer,@longlho,@needcaffeine,@rparet,@Janpot,@samrobbins85,@daneden,@NorbertLuszkiewicz,@piglovesyou,@awareness481, @sakito21,@balazsorban44,@tengmaoqing,@pkrawc,@arthurjdam, and@joris for helping!