New Freedesktop 23.08 runtime released recently. After updating Minigalaxy won't start with new runtime. Not sure does this related to this issue or not. You can try Minigalaxy with new runtime in flathub-beta.
** (minigalaxy:2): WARNING **: 23:24:26.282: Failed to load shared library 'libwebkit2gtk-4.1.so.0' referenced by the typelib: /app/lib/libudev.so.1: version `LIBUDEV_247' not found (required by /usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0)
New Freedesktop 23.08 runtime released recently. After updating Minigalaxy won't start with new runtime. Not sure does this related to this issue or not. You can try Minigalaxy with new runtime in flathub-beta.