Add marker interface for beatmap skins
Adjust old-style spinner alignment to be closer to stable
Exactly reproduce osu!stable skin colour alphas
Reduce redundant difficulty re-calculations
Add basic hit unstable rate display to results screen
Fix lingering small ring in circles! intro
Fix invalid accuracy calculation during replay decoding
Fix some mania replays failing to import
Implement mania "KeysUnderNotes" skin config
Remove padding from columns
Add support for custom LightingN paths