This release adds ESLint v10 support, improves performance by skipping compilation for non-React files, and includes compiler lint improvements including better set-state-in-effect detection, improved ref validation, and more helpful error reporting.
- Add ESLint v10 support. (@nicolo-ribaudo in #35720)
- Skip compilation for non-React files to improve performance. (@josephsavona in #35589)
- Fix exhaustive deps bug with Flow type casting. (@jorge-cab in #35691)
- Fix
useEffectEventchecks in component syntax. (@jbrown215 in #35041) - Improved
set-state-in-effectvalidation with fewer false negatives. (@jorge-cab in #35134, @josephsavona in #35147, @jackpope in #35214, @chesnokov-tony in #35419, @jsleitor in #36107) - Improved ref validation for non-mutating functions and event handler props. (@josephsavona in #35893, @kolvian in #35062)
- Compiler now reports all errors instead of stopping at the first. (@josephsavona in #35873–#35884)
- Improved source locations and error display in compiler diagnostics. (@nathanmarks in #35348, @josephsavona in #34963)