Paper Minecraft 1.21.5

Play Paper Minecraft 1.21.5 now! (Latest version)

[E] to open chest, inventory, crafting table, etc.

[X] to trade with a villager

[Z] to sprint

[WASD] to jump, move left, swim down, and move right.

[P] to pause game

[F] to eat

[Q]  Drop item

[O] Save game

[T] Commands/talk

[M] Mute/Unmute

Added: (dunno if the versions are right, but whatever)

1.21.1 - Fusuma

1.21.2 - Functioning slabs

1.21.3 - Beehives in trees 

1.21.4 -  Ancient city, bastion, mineshaft

1.21.5 - Spider spawner, lush cave, dripstone cave