• Docs IA 2.0: Delete config page in app docs: #78521
• fix(turbo-tasks): Store persistence of wrapped task on RawVc::LocalOutput: #78488

Huge thanks to @delbaoliveira and @bgw for helping!

• [next-server] ensure prepare is done before preloading entry: #78454

• examples: fix readmes: #78483

• feat(turbopack): Implement side-effect optimization: #78047
• Docs IA 2.0: Move testing guides: #78418
• Update Turbopack production test manifest: #78491
• Turbopack: add app-dir alias for next/* subpackages: #78447
• Docs IA 2.0: Move pages from Config section into guides: #78496
• Docs IA 2.0: Move src folder page to API reference: #78499
• Docs: fix reference to experimental.turbo: #78507
• docs: added a few legacy version tags: #78506
• Turbopack: Add react refresh runtime stubs to workers: #78433
• Docs IA 2.0: Move optimizing pages to guides: #78500

Huge thanks to @kdy1, @leerob, @delbaoliveira, @mischnic, @huozhi, and @wbinnssmith for helping!

• Turbopack: don’t warn about webpack being configured when experimental.turbo is set: #77998
• Upgrade React from bc6184dd-20250417 to 914319ae-20250423: #78468
• Update turbopack to syn2: #78385

• build: Update mdxjs-rs to v1: #78469
• fix(turbopack): Fix sourcemap path on windows: #78453
• fix(turbo-tasks): Add a few more transient-from-persistent task assertions: #78301
• fix(CI): Reduce Rspack test retries from 2 to 0 to reduce timeouts: #78390
• test: attempt to de-flake graceful shutdown test: #78464
• Fix potential race condition in createRouterAct: #78473

Huge thanks to @wbinnssmith, @kdy1, @bgw, @lubieowoce, @lukesandberg, and @acdlite for helping!

• [errors] fix edge server initial error is not sent via hmr: #78415
• misc: use correct capitals for React terms: #78445
• Skip empty prefetch request for dynamic routes: #78436

• Update Turbopack production test manifest: #78441
• Turbopack: Use single write to loader ipc socket: #78423
• Update Turbopack development test manifest: #78442
• test: flake debugging - avoid logs being eaten by jest: #78449
• test: ignore streaming metadata in toBeEmpty assertions: #78456

Huge thanks to @timneutkens, @lubieowoce, @huozhi, @devjiwonchoi, and @acdlite for helping!

• [ts-next-plugin] fix: validate metadata node before checking type: #78414

• docs: update React Compiler docs: #78427
• [ts-next-plugin] test: add metadata and generateMetadata fixtures: #78409
• Turbopack: fix data-url CSS Module client references: #78428

Huge thanks to @feedthejim, @devjiwonchoi, and @mischnic for helping!

• Docs IA 2.0: Move Static Exports to guides, create Self-hosting guide: #78244
• docs(turbo-tasks): Lots of minor fixes, tweaks, and updates to the docs: #78329
• Docs IA 2.0: Move CI build caching page under guides, and create equivalent /app guide: #78416
• Docs IA 2.0: Move authentication page under guides: #78412
• docs: fix the path of the program attribute in debugging page: #78268
• test: log html output for a flaky test to debug it: #78424
• fix bad next.browser() arguments in socket.io test: #78309

Huge thanks to @delbaoliveira, @bgw, @Kamitenshi, and @lubieowoce for helping!

• fix: amphtml-validator WASM errors (for real): #78379
• Turbopack: Remove next start --turbopack: #78384
• Upgrade React from 4a36d3ea-20250416 to bc6184dd-20250417: #78322
• [chore] remove dead code missing required error: #78403
• [ts-next-plugin] remove typescript vfs and related metadata plugin: #78237
• [ts-next-plugin] auto import metadata type: #78258
• [ts-next-plugin] warn to add correct type for metadata exports: #78254

• chore(examples): replace uuid dependency with crypto.randomUUID: #77901

• Turbopack: Use content for async loader digests, not availability info: #78386
• refactor(turbo-tasks): Use ResolvedVc for CollectiblesSource: #78392
• Turbopack: add random_change test case to test persistent caching changes: #78211
• Update Turbopack development test manifest: #78399
• Update Turbopack production test manifest: #78400

Huge thanks to @lubieowoce, @wbinnssmith, @bgw, @sokra, @Juneezee, @huozhi, and @devjiwonchoi for helping!

• Update Turbopack production test manifest: #78371
• fix(turbo-persistence): Fix verify_sst_content feature, improve unit test performance: #78388

Huge thanks to @bgw for helping!

• fix: handle incremental PPR with client segment cache: #78387

• refactor(turbopack): Remove needless code: #78331

Huge thanks to @wyattjoh and @kdy1 for helping!

• Add onInvalidate option to router.prefetch: #77880
• Reserve bandwidth for most recently hovered link : #78362

• docs: improve userAgent device.type example in userAgent.mdx: #78368
• fix(turbo-tasks): Make vc types use repr(transparent): #78327

Huge thanks to @acdlite, @sqidermad, and @bgw for helping!