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Flow 0.280 introduced stricter type checking for `incompatible-type` errors, requiring additional $FlowFixMe suppressions alongside existing ones. Changes: - Made `QueuingStrategy` properties optional in streams.js - Made all properties optional in Web Animations API types (EffectTiming, KeyframeAnimationOptions, etc.) - Added `$FlowFixMe[incompatible-type]` alongside existing suppressions in multiple files where Flow now reports additional type mismatches
Major changes in Flow 0.281: - $FlowFixMe comments now require explicit error codes (e.g., $FlowFixMe[incompatible-type]) - Changed all bare $FlowFixMe to include appropriate error codes - Changed $FlowIgnore to $FlowFixMe where needed - Fixed stream types to have cancel() return Promise<void> instead of void - Added pseudoElement property to KeyframeEffect type - Added suppressions for Proxy handler variance issues - Fixed various type errors across the codebase
Add suppression for React\$Element incompatibility with ReactNodeList in ReactDOMRootFB.js render function. Flow 0.282 has stricter type checking for the React\$Node union type.
Flow 0.286 introduced stricter constant-condition detection that flags build-time feature flags (supportsMutation, supportsHydration, isPrimaryRenderer, enableProfiling, etc.) and narrowed null checks. Added inline $FlowFixMe suppressions to preserve existing runtime behavior.
Flow 0.288 removed several React$ built-in types (React$Context, React$ElementProps, React$ElementRef, React$RefSetter). Added $FlowFixMe[cannot-resolve-name] suppressions to preserve type exports.
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React Core Team
Greptile OverviewGreptile SummaryUpgraded Flow from version 0.286 to 0.288, addressing breaking changes where several React$ built-in types were removed ( Major changes:
Key patterns:
Confidence Score: 5/5
Important Files ChangedFile Analysis
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Mirror of facebook/react#35333
Original author: poteto
Flow 0.288 removed several React$ built-in types (React$Context,
React$ElementProps, React$ElementRef, React$RefSetter). Added
$FlowFixMe[cannot-resolve-name] suppressions to preserve type exports.
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