for: backport-to-5.1.xIssues that will be back-ported to the 5.1.x lineIssues that will be back-ported to the 5.1.x linein: documentation type: enhancement empId ...

I ran Pyright on the psf/black codebase and noticed that it took much longer when enableExperimentalFeatures was set to true. [tool.pyright ...