Colourise the editor waveform
Add centre marker to the editor timeline
Make the editor timeline zoom on mouse scroll
Don't compute keymod difficulties for mania-specific beatmap
Make taiko hitobjects properly unproxy when rewound
Couple the editor waveform timeline to the audio
Rework difficulty calculators to better support mods and attributes
Make sure taiko hitexplosions expire and get removed
Fix droplets not bouncing off catcher's plate immediately
Remove custom migration exception
Fix music controller draggability
Fix pixellation of volume meter progress bars
Fix a few osu!mania beatmap conversion edge cases