* fix(data): map missing main arm and skin tracked IDs for 1.21-1.21.6
* fix(player): send main hand and skin customisation metadata across versions
* fix(data): map missing main arm and skin tracked IDs in source JSON
Its works, but block state ids are currently not mapped, meaning that when using the current default world gen the client mostly will disconnect due to a not found block state id, vanilla version compatible worlds should work