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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

[!!] Crash report below.

  • Probably it's your Java version (I don't know if Apple provides more java updates to 10.5, for me on Lion, it does) --83.38.243.162 15:51, 14 June 2012 (UTC)

[X] Windows Always when I'm push the open texturepack folder button minecraft freeze. I have to use the taskmanager to stop minecraft. Then the windows message appears java se binary don't react anymore (I think so, because my message is in german). This happens also in a new fresh installation of minecraft 1.2.5 and in all snapshots later. My system is Win 7 64 bit with the newest oracle java sdk 7u5 64 bit (not updated, new installed) and a fresh minecraft 1.2.5 installation. I have tested all java 64 bit versions since 7. Please don't write that it work for you, because I heard this before. I don't understand why this happens on my computer, I have a new Dell XPS Laptop and all programs fresh installed. --reptile311

[X] Error messages in the console when players attempt to log into a 12w24a server with a 1.2.5 client.

Annoyances

Fixed/Skipped

Gameplay

Bugs

[X] If the player exits the world while riding boat/minecart, after reloading the world he turns out to be outside it. --IntKecsk 15:25, 14 June 2012 (UTC)

[!] Some players may experience an insane amount of lag! Fixed by restarting minecraft. --sergnoff

  • Vote to downgrade, as I don't think this is a problem with Minecraft itself. It may be your machine/java version/OS/anything, I don't experience much lag on my Windows 7 laptop with latest java. --CaMoreno3 16:04, 14 June 2012 (UTC)

[!] Minecarts placed on powered rails will sometimes start moving on there own without any outside interaction. They seem to stop after sometime even when on powered rails. This seems to happen when a large amount of minecarts are near by.

Annoyances

[A] The player cannot swim out of downward flowing water while drowning. The damage taken produces a small amount of knockback, which in combination with the flow, keeps the player from swimming out of the water. --CaMoreno3 15:16, 14 June 2012 (UTC)

  • This is different from the behavior in 12w23b, as the player was unable to swim out of water (while drowning, regardless of flow) or lava at all. The player can now swim out of lava regardless of flow. The change leads me to believe that this annoyance has been addressed. Is the inability to escape downward flowing water intentional? --CaMoreno3 15:16, 14 June 2012 (UTC)

[A] Flowing lava does not push the player in the same way that flowing water does. --CaMoreno3 15:16, 14 June 2012 (UTC)

[A] When respawning, the view goes crazy. -- Mustek 14:46, 14 June 2012 (UTC)

[A] When opening a world, the game first shows you the main menu screen or the chose world menu screen momentarily.--sergnoff

[A] If a dispenser has both a lava bucket and a water bucket inside occasionally one will overwrite the other. (e.g. Lava bucket dispensed, then water bucket dispensed leaving water dispensed and two empty buckets.) -- LilDaveyP

Fixed/Skipped

Blocks

Bugs

[X] The following items cannot be placed on upper slabs or upside-down stairs, Example: --CaMoreno3 14:51, 14 June 2012 (UTC)

  • Snow Layer
  • Bed
  • Lever
  • Wooden Pressure Plate
  • Stone Pressure Plate
  • Wooden Door
  • Iron Door
  • Redstone
  • Redstone Repeater
  • Rail
  • Powered Rail
  • Detector Rail
  • String (floats above upper slabs or stair blocks when placed)
  • Torches (including redstone torches) are placeable on stairs but not slabs, which is needlessly inconsistent.

[X] Tripwires on the side of connected hooks still trigger those hooks. IMG. -- Mustek 15:07, 14 June 2012 (UTC)

[X] Can't plant mushrooms at night -- Mustek 15:11, 14 June 2012 (UTC)

[X] Blocks broken below string causes the string to break(still), only works if string below string is broken -- Queegey 16:26, 14 June 2012 (UTC)

[X] This piston setup doesn't move the player. Example -- Mustek 15:23, 14 June 2012 (UTC)

  • Pistons at head level don't move the player either. -- Mustek 15:24, 14 June 2012 (UTC)

Annoyances

Fixed/Skipped

Items

Bugs

[X] Maps other than map_0 don't appear to save data correctly.

Annoyances

Fixed/Skipped

World Generator

Bugs

Annoyances

Fixed/Skipped

Mobs/NPCs/Animals

Bugs

[X] When a creeper explodes while standing on snow, it only deals 1/2 to 1 heart damage to the player. DetachableMonkey

  • Seems like it counts snow as a full block between itself and the player. -- Mustek 15:16, 14 June 2012 (UTC)

[X] When a huge(x>30) amount of minecart is driving, in an area of 10X10 then nonplayable character, no matter if pet or monster or whatever, gets vacuumated into a cart. KellOggz 16:04, 14 June 2012 (UTC)

Annoyances

[A!] Cows have a tendency to weird out, ignoring some collision. (Falling threw blocks with pressure plates, and going inside walls) They also seem to walk around and then suddenly move back to there previous location. This may work with other mobs (untested)

[A] Sometimes slimes seem to fall through the ground. They reappear seconds later.

Fixed/Skipped

Graphical/Lighting

Bugs

[X] Upside-down slabs with blocks on them still have incorrect lighting. (example) - -- Mustek 14:44, 14 June 2012 (UTC)

[X] Nether portal animation starts when arriving in the nether, yet it doesn't send you back until you leave & enter again. -- Mustek 14:59, 14 June 2012 (UTC)

[X] Strange, "patchy" lighting of the Nether's upper bedrock layer. --IntKecsk 16:19, 14 June 2012 (UTC)

File:PatchyLimbo.png

Patchy lighting in the Nether

Annoyances

[A] Mobs and players appear ahead of moving vehicles while riding in them. [1] -- Mustek 14:47, 14 June 2012 (UTC)

Fixed/Skipped

Sounds

Bugs

Annoyances

[A] Can't hear tnt if it's more than 16 blocks away. -- Mustek 14:51, 14 June 2012 (UTC)

Fixed/Skipped

Menus

Bugs

[X] World entries in the world selection menu show not the current game mode, but the game mode selected when the world was created. (Game mode was changed via /gamemode) --IntKecsk 15:51, 14 June 2012 (UTC)

Annoyances

[A] When resizing the window while in the Create World menu in More World Options, wrong buttons are shown. Example --Pzyko 15:49, 14 June 2012 (UTC)

Fixed/Skipped

In-Game Interfaces/HUD

Bugs

Annoyances

[A!] It takes a few seconds until a villager shows its swirls and new trade option. -- Mustek 14:54, 14 June 2012 (UTC)

  • Vote to downgrade to minor annoyance. I do not believe this is more intrusive than a minor bug. Classifying bugs --CaMoreno3 15:48, 14 June 2012 (UTC)

[A] The /publish command has no description (even when doing /help publish).

  • Downgraded to annoyance. The /publish command is still very new and experimental. As Jens said on Mojang.com, "This is still very much work in progress...Also, the “/publish” command is temporary..." I'm sure in 1.3 this feature will have a much more user-friendly GUI. --CaMoreno3 15:48, 14 June 2012 (UTC)

Fixed/Skipped

Language/Text Files

Bugs

Annoyances

Fixed/Skipped

References

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