Minecraft:Java Edition 1.21.9 Pre-Release 2

1.21.9 Pre-Release 2 (known as 1.21.9-pre2 in the launcher) is the second pre-release for Minecraft:Java Edition 1.21.9, released on September 19, 2025.<ref>Template:Mcnet</ref>

Changes

Mobs

Minecraft:Copper golem

• The copper golem's behavior for turning into a statue has been tweaked to match Template:BE.
  • Copper golems no longer need to be close to the center of an empty block position in order to turn into a statue.
  • Copper golems now have the possibility to turn into a statue as soon as they become fully oxidized.

General

Minecraft:Data pack

• The data Minecraft:pack format version is now 88.0.
  • This is due to breaking changes to Template:Cmd and Template:Cmd in the previous pre-release.