5.12.1

• Fixed recipe book issues from tag displays without a tag key in 26.3->26.2 (by EnZaXD)
• Fixed falling cushions for older clients in 26.3->26.2
• Fixed resin trimmed armor appearing with missing textures for 1.21.2 clients (by roccodev)
• Fixed armor slot updates not showing while another container is open in 1.21.2->1.21 (by roccodev)
• Fixed end credits being skipped in 1.21->1.20.5 (by EnZaXD)
• Fixed new 1.20.5 trim patterns (flow, bolt) having missing textures in 1.20.5->1.20.3 (by roccodev)
• Fixed players spawning facing south until they move for <1.20.2 clients (by roccodev)
• Fixed faulty painting positions approximation in 1.19->1.18.2 (by roccodev)
• Fixed a few client-side interactions and events from missing tags across protocols

Minor/creative mode/legacy fixes:

• Fixed kinetic_weapon creative mode restoring in 1.21.11->1.21.9 (by EnZaXD)
• Fixed wolf collar, can_destroy_blocks_in_creative, and bypassed_by creative mode restoring in 1.21.5->1.21.4 (by EnZaXD)
• Fixed jukebox_playable creative mode restoring in 1.21->1.20.5 (by EnZaXD)
• Fixed dust particle color with a red value of 0 in 1.13->1.12.2 (by roccodev)
• Fixed splash potion colors of newer effects for 1.10 and older clients (by roccodev)

If you want to get larger version updates early, consider supporting me via https://viaversion.com/donate. See the previous update notes for more info.