facebook/pyrefly 0.25.0 on GitHub

Status: ALPHA

Release date: 2025-07-22

Pyrefly 0.25.0 bundles 307 commits from 19 contributors

📝 Changelog

Error Handling Improvements:
- Avoid redundant error messages for positional arguments.
- Show environment query errors and config loading errors in IDE.
Class and Attribute Handling:
- Changed semantics of class objects initialized on class bodies.
- Improved handling of read-only class attributes.
IDE Enhancements:
- Support for "jump to definition" on hover.
- Optimized module path sorting.
Type System Enhancements:
- Improve handling for typing.Self.
Configuration and Migration:
- Added support for ignore_missing_imports in Pyrefly config.
- Improved config migration logic and added tests for various config options.
Error and Warning Enhancements:
- Warn on deprecated method calls and overloaded calls.
- Improve error labeling and severity-based color coding.
TypedDict Improvements:
- Check keyword arguments in TypedDict initialization & makeself positional-only.
Documentation and Usability:
- Updated documentation for IDE settings and config options.
Miscellaneous:
- Raise error on variable use-before-assignment.
- Improved mutable capture for global and nonlocal variables.

pip install --upgrade pyrefly==0.25.0

Full Changelog: 0.24.2...0.25.0