Sourced from next's releases.

v15.3.1

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• chore: Backport SWC-based RC optimization (#78260)
• fix: bump image-size@1.2.1 (#78164)

Credits

Huge thanks to @​kdy1 and @​styfle for helping!

v15.3.1-canary.15

Core Changes

• [Turbopack] refactor persistent caching from log based to cow approach: #76234

Misc Changes

• fix(turbo-tasks-fs): Handle filesystem watcher rescan events: #78045

Credits

Huge thanks to @​bgw and @​sokra for helping!

v15.3.1-canary.14

Core Changes

• Add graceful error boundary for bots requests: #78298
• make sure eslint-plugin-next is built when running 'pnpm dev': #78305
• Migrate pages API routes to handler interface: #78166
• Update middleware public/static matching: #78325
• Fix dynamic route param encoding: #78326

Misc Changes

• fix(turbopack): Fix duplicate modules when tree shaking: true: #78203
• test: try to fix flakiness in amphtml util: #78304
• remove BrowserInterface: #78308

Credits

Huge thanks to @​kdy1, @​huozhi, @​lubieowoce, and @​ijjk for helping!

v15.3.1-canary.13

Core Changes

• @next/mdx: Use stable turbopack config options: #78261

... (truncated)

• fa536cf v15.3.1
• 256e6f0 update learn allow branch
• 84e103b chore: Backport SWC-based RC optimization (#78260)
• a9e7a24 fix: bump image-size@1.2.1 (#78149) (#78164)
• db5c9b6 [test] Activity has types and supports react-server (#78196)
• b2ff049 v15.3.0
• 97ad23f IA 2.0: Add "Next Steps" link to /docs landing page (#77981)
• 60bfe64 v15.3.0-canary.46
• 7b483cb Upgrade React from 33661467-20250407 to 3fbfb9ba-20250409 (#77982)
• 664110c Turbopack: read asset entries strongly consistent (#77974)
• Additional commits viewable in compare view

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