The Optifine features are compatible again with the new components format, as well as a few additions since 1.20.

New optifine-only features:

• Axolotls switch to their hurt model when their health is lower than 10.
• Added size variants for buckets of salmon.
• Added support for Bedrock exclusive fish when renaming the tropical fish items:
  • Tomato clown
  • Blue dory
  • Butterfly fish
  • Yellow Stripey

!Screenshot of part of the inventory GUI. On the top row there's 3 buckets of salmon, going from biggest to smallest. On the second row there's 4 tropical fish, corresponding to the ones mentioned in the list.