CircuitPython 2.3.1 fixes a regression introduced in 2.3.0: if boot.py changed the root filesystem permission to read/write using storage.remount(), that permission change would get undone. This bug would prevent some data logging code from working, for instance.
All other changes introduced in 2.3.0 are still present: battery power fix, storage.erase_filesystem(), and new frozen libraries for Circuit Playground express. Refer to the 2.3.0 release for details.
Thanks
Thanks to @jerryneedell for finding this issue and doing further testing! Join us on the Discord chat to collaborate.
The 2.2.0 mpy-cross executables in this release work fine with all 2.x releases.
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