Minecraft has released Pre-Release 4 for version 1.21.9, which includes various bug fixes and changes to the user interface.
- Pre-Release for 1.21.9 includes more bug fixes.
- Debug Options screen now uses F3 + F6.
- Fixed bugs include MC-300216 and MC-301735.
- Pre-Releases available for Minecraft: Java Edition.
- Backup your world before testing versions.
- Report bugs and give feedback on the game.
The Debug Options screen is now accessible using F3 + F6, replacing the previous F3 + F5 method. This change aims to improve user experience.
Several bugs have been fixed in this release, including issues with the F3 + F5 debug settings menu on Mac keyboards and visual glitches on mobs. Other fixes address problems with conduits, shields, player heads, and ranged weapons.
Originally reported by www.minecraft.net as “Minecraft 1.21.9 Pre-Release 4 | Minecraft” on 2025-09-23 19:27:00.