A: v5 introduced icon customization and memory boost. v4 is legacy for older MIUI versions. 39.0 is just a minor alpha iteration.
– Reboot to safe mode (Power button → long press “Restart” → OK). If the alpha launcher crashes there, it’s unstable. miui launcher alpha v4 39.0 apk download
[Insert download link]
Some builds in this version allowed users to adjust the transparency level of the background for a more custom look. A: v5 introduced icon customization and memory boost