Penguin_Spy

Sync what specific background music is playing between all players!

Smelt a whole block of raw ore at once, and smelt stone & glass in the blast furnace!

Show off your skin by hiding your armor using Phantom Membrane! Balanced & configurable.

Removes the prior work penalty when repairing or enchanting items in the anvil, preventing the Too Expensive message. Simple, optimized, and multiplayer friendly.

Reloads changes made to hotbar.nbt without having to restart Minecraft

Renders custom cape textures hidden in the unused portions of the player's skin texture.

The air isn't always breathable in caves, at high elevations, or other extreme locations.