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What changed in Minecraft 21w17a

21w16a → 21w17a

0Added
0Removed
5Block states changed
4New text
0Text changed

Every addition, removal and change between these two versions, read straight out of the game files — not from patch notes.

Block states changed

BlockChange
amethyst_cluster−lit
hanging_roots+waterlogged
large_amethyst_bud−lit
medium_amethyst_bud−lit
small_amethyst_bud−lit

New text (4)

KeyText
commands.worldborder.set.failed.bigWorld border cannot be bigger than %s blocks wide
commands.worldborder.set.failed.smallWorld border cannot be smaller than 1 block wide
multiplayer.disconnect.invalid_packetServer sent an invalid packet
multiplayer.disconnect.invalid_player_dataInvalid player data