Please see the [v5.13.0 section of the changelog](https://pyinstaller.org/en/v5.13.0/CHANGES.html#id1) for a list of the changes since v5.12.0.
Note that this is intended to be the last `v5.x` release. `v6.0` will contain breaking changes from 7619, 7713 and 6999. If you want to avoid unexpected disruption, you may wish to pin pyinstaller (e.g. `pip install "pyinstaller<6"`).