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Minecraft 1.21.9-pre4

Feature-complete; only bug fixes land between here and release. Full source data for this version is extracted and browsable below.

2,807 names shipped in this version. Each result opens the wiki page for that thing.

Contents (6)
  1. What changed in 1.21.9-pre4
  2. Reworded text
  3. Fixes
  4. Development cycle
  5. Browse this version
  6. Neighbouring versions

Java What changed in 1.21.9-pre4

Everything below is measured by comparing the game files of 1.21.9-pre3 with 1.21.9-pre4 — not copied from patch notes.

Reworded text 1

Wording Mojang changed in this version.

KeyBeforeAfter
debug.options.helpF3 + F5 = Edit debug optionsF3 + F6 = Edit debug options
Full comparison pageEvery registry, side by side

Fixes 7

Read from Mojang’s own release notes for Minecraft 1.21.9 Pre-Release 4, published 2025-09-23. Every entry keeps its original bug ID.

7 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 1.21.9 Pre-Release 4 7

  • MC-300216 The new F3 + F5 debug settings menu does not open on Mac keyboards
  • MC-301735 Server Management Protocol Kick command parameter mis match
  • MC-302039 Conduits don't have the block-breaking animation.
  • MC-302119 Shield with patterns has no enchantment glint when enchanted
  • MC-302130 Mobs have visual glitches all over them
  • MC-302170 Player Heads do not Glow
  • MC-302240 Bugs on ranged weapons

Development cycle

This build was part of the run-up to 1.21.9. Everything tested here landed in that release.

Minecraft 1.21.9The release this one led to

Browse this version

BlocksEvery blockItemsEvery itemRecipesEvery recipeTagsEvery tag

Neighbouring versions

← 1.21.9-pre3 (previous)1.21.9-rc1 (next) →