Minecraft Wiki
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This Minecraft Wiki page is about the bugs and issues in the latest developmental version, currently 12w40a. For the bugs and issues in the current full release version, see Issues.
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Mojang has an official bug tracker and does not track bugs for any editions of Minecraft on this wiki. Please use the appropriate bug tracker to report and view current bug reports.

Java: bugs.mojang.com/browse/MC.
Bedrock: bugs.mojang.com/browse/MCPE.


For further info, see the issues notice page.
Do not delete this page, any issues currently being recorded are purely for archiving purposes.
Issues
Full releases
Pre-releases
Weekly releases

Crashing/system

Bugs

[!!] When a player takes a map from a Stronghold's chest , the game crashes

Annoyances

The client download loaded into 12w40a seems to be 12w39b. It doesn't show the 12w40a in the bottom right, and world generation is still long.

  • Did you completely replace the minecraft.jar? I downloaded 12w40a and it works exactly as it should. -Debugman18

Fixed/skipped

[!!] In 12w39a, world generation was extremely slow because of the new lighting system, usually it would not generate and you would be forced to hit CTRL+ALT+DELETE and goto the task manager to end javaw.exe or java.exe (this probably applies to Windows only.)

Gameplay

Bugs

Annoyances

Fixed/skipped

Blocks

Bugs

Annoyances

[A!] Normal stone brick showing a silverfish for a few ticks, when broke. –Preceding unsigned comment was added by 86.87.20.150 (Talk) 13:44, 04 October 2012 (UTC). Please sign your posts with ~~~~

Fixed/skipped

Items

Bugs

Annoyances

Fixed/skipped

World generator

Bugs

[X] Witch huts generate awkwardly. Here is the picture As you can see, the building does not have access from the ground; cauldron and crafting table are generated at ceiling level. — MiiNiPaaT|C 14:27, 4 October 2012 (UTC)

Annoyances

Fixed/skipped

Mobs/NPCs/animals

Bugs

Annoyances

[X] Slimes (spawed in swamp bioms) can't jump in water, so push them into lakes, wait until they drowned. Bug or feature?

Fixed/skipped

Graphical/lighting

Bugs

Annoyances

Fixed/skipped

Sounds

Bugs

Annoyances

Fixed/skipped

Menus

Bugs

Annoyances

Fixed/skipped

In-game interfaces/HUD

Bugs

Annoyances

Fixed/skipped

Chat/commands

Bugs

Annoyances

Fixed/skipped

Language/text files

Bugs

Annoyances

Fixed/skipped

References

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