- Updated vendored lodash to 4.17.23 fixing CVE‑2025‑13465 and upgraded core dependencies such as tokio and React;
- Added many Turbopack and turbo‑tasks features and performance fixes—including server HMR for app route handlers, importModule support for webpack loaders, persistent caching flag, new hash encoding, and extensive task scheduling improvem...
- Introduced breaking changes like renaming /next/webpack‑hmr to /next/hmr, removing deprecated TS node10 moduleResolution defaults, reverting hashed‑cell mode, and exposing new experimental APIs (useOffline, experimental.swcEnvOptions, un...
v16.3.0
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Backported bug fixes: scoped app entry export validation and corrected catch‑all index page routing.
Turbopack receives numerous enhancements, including async runtime preservation, embedded FS asset conditions, nested promise collapsing, hoisted module registration ordering, and HMR fixes for dynamic imports; cache handling is improved ...
Added traversal guard support from ReplyServer to FlightClient, enhancing security and stability of server-side rendering.