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v15.4.1

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Check out our Next v15.4 Blog Post to learn more about this release.

Core Changes

• [next-server] fix params duplicate in query after rewrite: #77939
• [next-server] preserve rsc query for rsc redirects: #77963
• Turbopack: fix a bug where marking a task a completed causes a panic when reading the output: #77922
• Turbopack warning spelling fix: #77999
• Allow URL schemes that include +, - or .: #77932
• [dev-overlay] Remove unused hydration error related code: #77929
• [dev-overlay] Unify error deduplication logic: #78017
• fix: use the match result after matching using the matched path header: #77994
• Upgrade React from 3fbfb9ba-20250409 to c44e4a25-20250409: #78031
• Move unhandled rejection handling to shared path: #77997
• fix: ensure app router not found works when deployed with pages i18n config: #77905
• Uninstall existing uncaughtException listeners to prevent the process from crashing: #78042
• Experimental bfcache: Restore state w/ : #77992
• Add graceful error fallback for bots requests: #77916
• Upgrade React from c44e4a25-20250409 to 1d6c8168-20250411: #78067
• [next-server] remove unnecessary query shallow copy: #78003
• [dev-overlay] disable copy button when clipboard is not available: #78101
• [dev-overlay] Stop stashing React error details on error instances: #77975
• [dynamicIO] Model invalid dynamic on empty shells: #77270
• fix: bump image-size@1.2.1: #78149
• Handle graceful fallback for custom error boundaries: #78121
• [dev-overlay] Stop squashing hydration related errors in App Router: #78140
• [test] Enable strictNullChecks in test utils: #78142
• Document Turbopack trace viewer: #78184
• [dev-overlay] Fix error dialog resizing logic: #78144
• Include types in published eslint-plugin-next: #78109
• [dev-overlay] Stop appending wrong Owner Stacks to SSR-only shell errors: #77302
• [dev-overlay] Add dedicated label for recoverable errors: #78186
• [chore] remove unused __NEXT_PRIVATE_RUNTIME_TYPE: #78230
• Preserve slashes when custom URL schemes are used in redirects: #78176
• ignore-list published sources if they have a sourcemap: #78242
• Upgrade React from 1d6c8168-20250411 to 39cad7af-20250411: #78152
• Turbopack: add test case for persistent caching: #77030
• Upgrade React from 39cad7af-20250411 to b04254fd-20250415: #78253
• fix: alternate bundler support for dropping client pages in AMP: #77601
• [errors] refactor default global-error into a separate file: #78182
• [metadata] render streaming metadata on the top level: #77620
• [metadata] skip head cache in default slot: #78206
• chore: Backport SWC-based RC optimization (#78260)
• fix: bump image-size@1.2.1 (#78164)
• @next/mdx: Use stable turbopack config options: #78261
• Upgrade React from b04254fd-20250415 to 4a36d3ea-20250416: #78297
• Add graceful error boundary for bots requests: #78298
• make sure eslint-plugin-next is built when running 'pnpm dev': #78305

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• 079c06d v15.4.1
• 7ad4674 v15.4.0
• c1fa79b v15.4.0-canary.130
• 27a271b [turbopack] Rename traverse_edges_from_entries_topological to `traverse_edg...
• a1339ec Turbopack: Clean up some of the logic in visit_assign_expr (#81636)
• d48daff fix(next/image): bump sharp to 0.34.3 (#81556)
• de52c00 Turbopack: Fix turbopack-swc-ast-explorer with multi-line inputs (#81635)
• b5f2517 [segment explorer] fix boundary trigger state (#81623)
• d04d65b [segment explorer] fix route url is missing cases (#81622)
• 1758c3c docs: onInvalidate router.prefetch (#81609)
• Additional commits viewable in compare view

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