This update adds support for 1.21.
Please note: if you used the custom totem item and added an enchantment via the nbt data to the item in order to add a glint to the item, you have to change the nbt data since Minecraft raises an error if there is an enchantment applied to an item that doesn't support that enchantment. Instead of adding an enchantment you can now use this nbt data:
Code (Text):
{"enchantment_glint_override": 1b}