Live star rating — HUD element showing cumulative star rating as you play, updating in real-time (like pp counter)
Mod preset import/export — share presets via JSON files
Collection import/export — back up and share beatmap collections
Chat mod sharing — right-click a chat line to send current mods, right-click a message to apply them
Mods
Miss Challenge — fail if your miss count exceeds a configurable limit (1–100). Option to auto-set from your best local score for the beatmap, matching by active mods (DT rate, AR/CS).