Here’s the port for version 1.21.7, including a few small additions and fixes as well. Unfortunately not in record time, because I slept in a bit this morning.
Hopefully this can tide you over until we get some actual substantial content out!
Additions
Dyed Written Books
You can now dye written books and books and quills all 16 colors.

All the possible colors of dyed written book
Changes
Equippable Lockets of Learning
You can now equip your locket of learning on your chest slot. This is simply decorative, and has no functional effect.
The texture of the equipped locket will update depending on how much XP is inside

Isn't it so stylish?
Paintbrush
Cycling paintings now includes the “Dennis” painting from 1.21.7
You can now dye beds with paintbrushes
Updated Item Textures
Sprouters, sprouter eggs items, glow berry muffins, sweet berry muffins, bat wings, serums of sprouting, and serums of shrinking have all had their textures updated
Fixes
#276: The fourth maze template for the ocean monument has a misplaced prismarine bricks block
#281: Zombified archaeologist villagers have a missing texture on their head
#282: Curing a zombified archaeologist does not grant the “Zombie Doctor” advancement
#283: Posing an armor stand with a wrench does not cycle back to the default pose
Download
This version is available on Modrinth.
Please follow the steps on the download page to properly install.