2.1.2:

• 1.20.1, 1.21(.1), 1.21.4: Prevent crash when loading a world with a Decorated Bed (from Bedspreads (  )) containing no longer existing Bed variants or otherwise corrupted Bed data

  e.g. by downgrading a world from 1.21.4 to 1.21.1 where Pale Oak Beds don't exist yet
  Note: Versions 1.21.5~1.21.11 already included this fix

• 1.21.11: Fix log spam due to duplicate sprites in multiple texture atlases

Looking for changes of previous versions?
You can find them in the changelog history.