In python <=3.12, the resolved path ofPath waspathlib.Path, however upon conversion of pathlib into a package now pickle stores the pickled objects aspathlib._local.Path. This leads to backwards incompatibility of files generated with Python >= 3.13. I suppose one can still load pickle files saved using py <= 3.12 into 3.13, but I was wondering if this is as intended.

Linked PRs

• GH-133789: Fix unpickling of pathlib objects pickled in Python 3.13 #133831