Likely to cause new Flow errors:
- Fixed an issue with refinement invalidation for variables without initializers or that are written to before they're declared. You may see both new errors from improved invalidations, and some unnecessary invalidations will be removed.
Notable bug fixes:
- Fixed the behavior of unary not operator on type applications
Library Definitions:
- Add
Symbol.asyncIterator(thanks @goodmind) - Add missing methods to
HTMLTableSectionElement(thanks @vitoreiji) - Fix nullability of various DOM table properties
- Fix type of
MediaRecorderconstructor options - Improve node
cryptotypes (thanks @juodumas) - Improve node
cluster.workertype (thanks @magicmark)