☂️ Known unsoundness issues
Author: SamChou19815Created Aug 7, 2023Updated May 23, 2026
LabelsTyping: soundness
We have a lot of reports on unsoundness issues. This issue categorizes them into the underlying cause.
- Unsound literal types
- #7222
- Unchecked variance in builtin utility types
- #7830
- Unsound generics
- #8745
-
Object.freezeunsoundness- #8842
- Class field initialization check
- #8588
Source: facebook/flow