Project Arrhythmia's v21.12.2 ("newlegacy") update, released in December 2021, prioritized stability in arcade mode, fixing critical level-loading bugs and refining the UI. This version, accessible via Steam betas, is highly regarded for its robust Steam Workshop content and challenging, musical bullet-hell gameplay. For more details, visit the Official Project Arrhythmia Wiki . AfterBeat (Project Arrhythmia) on Steam