Meet the new editing mode - Sound! Now you can create music, animation sound effects, ambient, and more using Minecraft sounds — all fully vanilla through /playsound.
A new Video Reference feature has been added, allowing frame-accurate syncing in Animator mode. Performance was improved with optimizations to Block, Item, and PlayerHead rendering. Sound loading is now parallel and several bugs with audio playback and SoundList were fixed. The Piano Roll was redesigned to match the 25-note Note Block system.