v13.1.0

Core Changes

• Fix windows slashes for app client entry: #44052
• Hash both pitch and main loader for server CSS imports: #44063
• Add tracing for testing tools: #44046
• Run packing in tests in parallel: #44048
• feat: app dir error-global component: #44066
• Fix ignoring dev warning for preload component: #44065
• refactor(next-swc): introduce next-binding to consolidate dependencies.: #43473
• Add lodash to server components external packages: #44022
• Fix dev session stopped handling: #44112
• Add jsdoc/no-types eslint rule for TypeScript files: #44049
• Revert "Remove useState from next/image (#43587)": #44094
• should not contain pages css in app dir: #44151
• Upgrade undici to 5.14.0 to fix fetch redirect bug: #44133
• build(cargo): fix turbopack + next-swc build: #43983
• Align onRecoverableError callback between pages and app dir: #44161
• build(cargo): update turbopack: #44167
• Update styled-jsx: #44070
• Fix crash in GraalVM: #44176
• Also check error.message as digest for recoverable errors in pages: #44185
• Move options to stable: #44195
• Move transpilePackages out of experimental: #44194
• Fix CSS resources being duplicated in app dir: #44168
• Add telemetry for stable features: #44201
• Add warning for experimental flags that have moved: #44202
• build(cargo): bump up turbopack: #44206
• Bump @vercel/nft@0.22.6: #44193
• Disable Image Optimization API when next.config.js has unoptimized: true: #44205
• Honour distDir in type generation: #44207
• Only once for the next/head usage in app dir: #44233
• Enable allowMiddlewareResponseBody by default: #44224
• Move modularizeImports out of experimental: #44240
• Update config validation for latest turbopack changes: #44223
• build(cargo): update turbopack: #44241
• update turbopack for bugfixes: #44251

Documentation Changes

• docs: Add explanation about font-display: #44001
• Test that adding query can be detected by useSearchParams: #43969
• Add static test for useSelectedLayoutSegments: #43955
• Docs: Update deployment.md with Firebase, Amplify and Cloudflare: #44092
• Add test for rewriting in middleware in app-dir: #43971
• docs: Add missing type to import statement: #44111
• docs: update next/dynamic docs: #44067
• Update disabling-http-keep-alive.md for server-side only: #43374
• docs: fix spelling error: #44191
• Write tests for navigation between app-dir and pages: #43881
• Add docs for middleware flags: #44235

Example Changes

• Updates with-supertokens example: #44042
• Fix styled-components setup in turbo example: #44165
• update with-turbopack example for postcss/tailwind support: #44261

Misc Changes

• Run packing in tests in parallel
• Revert "Run packing in tests in parallel"
• Remove extra turbo test: #44073
• Implement new core test API: #44086
• Refactor more tests to createNextDescribe: #44104
• Add types as a default dependency into tests: #44140
• Suggest contributors to use shallow clone: #44158
• Update pnpm new-test to use createNextDescribe: #44147
• Update README templates to include snippet on next/font: #44088
• Wrap CSS variable in var: #44153
• Ensure next.url is used instead of next.appPort: #44163
• test: add test for notFound during streaming: #44078
• Fix test template example: #44170
• Remove devcontainer network host argument: #44157
• Fix pnpm install on Azure: #44179
• Enable ReactRefreshLogBox scss test: #44180
• Increase recommended git clone depth: #44181
• Document how chain works in BrowserInterface and chain to browser.eval: #44085
• Remove browser.refresh in app tests: #44186
• Move tests into their test folder: #44183
• Add test checking that repeated edits won't cause hydration issues: #44189
• Update labeler.json with current next.js team members: #44231

Credits

Huge thanks to @shuding, @hanneslund, @rishabhpoddar, @jankaifer, @huozhi, @timneutkens, @kwonoj, @IamManchanda, @styfle, @nyedidikeke, @jaslong, @jueungrace, @longzheng, @akshitsinha, @Brooooooklyn, @gish, and @sokra for helping!