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.
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Full releases
Pre-releases
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Weekly releases
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Crashing/System
Bugs
Annoyances
[A] [MP] When connecting to a previous snapshot version's server, I tested the old portal bug in the nether (when it'd throw you to an invalid position in the overworld). Now I am unable to play on this server in any of the recent versions as when I log in I get an 'Invalid Position' message and kicked. I have marked this is a minor annoyance because no-one is probably in the same situation. CallumTennant
- Just delete your player.dat file in
players\[thefile].dat. --88.194.198.246 13:41, 23 July 2012 (UTC)
- Just delete your player.dat file in
Fixed/Skipped
Gameplay
Bugs
Annoyances
[A!] Mobs spawn on non-natural occuring blocks Djerun 12:47, 23 July 2012 (UTC)
- See discussion talk:Known_bugs/Version_12w27a#Mobs spawning on 'non-natural' blocks --80.134.11.177 12:52, 23 July 2012 (UTC)
Fixed/Skipped
Blocks
Bugs
[X] Piston sometimes expands and leaves the original wood part too. (Screenshot) -- Mustek 12:21, 23 July 2012 (UTC)
- Huh. Can't reproduce. Does it always happen or just sometimes? —
Dinnerbone(T) 12:28, 23 July 2012 (UTC)
- It did happen a lot, it's SMP, forgot to mention that. If you want, I can send you the ip. -- Mustek 13:02, 23 July 2012 (UTC)
- Huh. Can't reproduce. Does it always happen or just sometimes? —
[X] Standing middle of block that piston pushes sideways, makes you fall through pushed block. --88.194.198.246 13:04, 23 July 2012 (UTC)
Annoyances
[A!] If you place a slab on a grass block (that has tall grass on it) from above (standing next to, looking down at where you are to place the slab), the game erases the grass and sets the block on the top half of the box. Common sense would say that the slab should replace the grass but be placed on the bottom half of the box. I assume this happens because the game uses the grass' bounding box to determine if the slab should be placed in the upper or lower half of the box --5thHorseman 13:26, 23 July 2012 (UTC)
[A!] [MP] Cannot interact with chests and doors when holding an item. (Only tested in multiplayer) (Only two blocks tested)
- 100% sure you and the server are on 30b and not 30a? —
Dinnerbone(T) 12:30, 23 July 2012 (UTC) - Sorry, I was in 12w30a, but I just tested in 30b, and it didn't happen.
- 100% sure you and the server are on 30b and not 30a? —
- (struck trough since non-bug) --80.134.11.177 12:50, 23 July 2012 (UTC)
Fixed/Skipped
Items
Bugs
[X] Thrown eggs sometimes drop right in front of you when thrown, but chickens spawn where it was supposed to go. -- Mustek 12:22, 23 July 2012 (UTC)
Annoyances
Fixed/Skipped
World Generator
Bugs
[X] Sometimes an empty river spawns in a desert (like https://p.twimg.com/AyfR11eCAAEzc42.png:large)
- Nearly dried out because too less water flow in the desert ? More a feature than a bug. --80.134.11.177 12:54, 23 July 2012 (UTC)
- I dont think this is a Bug... I hope its a feature
- Okay how about this? http://imgur.com/ZgSVZ
- I like it tooooo
[X] Chunks seem to load very slowly, and while standing still some seem not to load at all until the player starts to move close to them. Pressing Escape to go to the in-game menu causes the chunks to start loading rapidly (really a more "normal" speed). Returning to the game again causes them to slow again. This was tested in single player. --220.233.85.220 13:44, 23 July 2012 (UTC)
Annoyances
Fixed/Skipped
Mobs/NPCs/Animals
Bugs
[X] Mobs/Animals can push each other through wall, then they seemingly appear where they actually aren't. You can boost this effect, by making small quarters, on animals wielding wheat, and on mobs aggravating them. Maybe it's caused by pushing speed value added after animals/mobs speed value has been clamped by walls, when pushing speed value should've been added before clamping. --88.194.198.246 13:01, 23 July 2012 (UTC)
Annoyances
Fixed/Skipped
Graphical/Lighting
Bugs
[X] Stair block does not block light correctly. Tested smooth on/off csp and cmp. (more info on [edit]) --88.194.198.246 13:07, 23 July 2012 (UTC)
http://img822.imageshack.us/img822/6063/20111104145842.png
- do you have a 12w30b screenshot?
- I just won't upload new screenshots for every version if bug is still there. Just recreate and take screenshot if you want. --88.194.198.246 13:22, 23 July 2012 (UTC)
- This wiki is for new bugs with the current snapshot, not existing bugs. They are well aware of the lighting glitches...--Arcooke 14:05, 23 July 2012 (UTC)
[X] After logging in to a 12w30b server, one of my double chests only rendered the right side as a single chest. The left side had the hitbox/collision box and it could be opened normally. Re-logging fixed it. (screenshot) Masa 13:41, 23 July 2012 (UTC)
Annoyances
[A] Other player's fishing line is still bit off. --88.194.198.246 13:51, 23 July 2012 (UTC)
[A] When retracting fishlines, they just disappear instead of 'reeling it in' -- Mustek 14:03, 23 July 2012 (UTC)
Fixed/Skipped
Sounds
Bugs
[X] Fire extinguish sound does not always play. Sometimes hitting the fire plays the hit sound of the block below the fire/in fire. (has been like this since the change in the multi-/single player stuff I think) Masa 13:58, 23 July 2012 (UTC)
Annoyances
[A] After logging in to a server, the walking sound does not play while the server is under higher load (sending stuff to the client etc?). Other sounds seem to work though. (I used top in a Linux box to watch the CPU load while logging in from another PC. The load was ~60-123% some 10 seconds after logging in, and then it dropped to around 30%, which it was normally while I was logged in. The sound started playing when it dropped to around the 30% level.) Also, the walking sound does lag and hop occasionally after that too, according to server load it seems. Masa 13:58, 23 July 2012 (UTC)
Fixed/Skipped
Chat/Commands
Bugs
Annoyances
[A] /gamemode on yourself produces 2 "Your game mode…" messages – xPaw at 13:19, 23 July 2012 (UTC)
[A] Server /give command can only give 64 at a time. Can be remedied by using the Up button in chat but time-consuming in some instances Elite6809 (talk) 12:25, 23 July 2012 (UTC)
[A] Server /give command, if giving items to yourself, requires you to type out your full name over and over Elite6809 (talk)
[A] Using /tp [player] [x] [y] [z] with negative values are unintuitive for some players. They look F3 menu, see -33.5, they write -33. Don't dare fixing this by subtracting 1 if number is negative, then there will be non-teleportable locations. Just add the decimals, will you, please. --88.194.198.246 13:20, 23 July 2012 (UTC)
Fixed/Skipped
Menus
Bugs
Annoyances
[A!] While Playing, if you press Mouse 4 or 5(Keys often bound for push to talk in voice chat softwares) this will unlock the cursor, stopping you and making the game menu appear. I consider this major since being immobilized temporary in SMP is dangerous, even more in hardcore. --Algent 12:19, 23 July 2012 (UTC)
Fixed/Skipped
In-Game Interfaces/HUD
Bugs
[X] In the Creative inventory, the right-most slot in the hotbar in the inventory overlay on the Survival tab is different than on all other tabs. To pinpoint the offending pixel more, compare the top right pixel in those tabs. It shouldn't be as bright as the pixels directly underneath it. Redstonehelper 12:22, 23 July 2012 (UTC)
[X] You can't enchant anything between 21-29 levels with 15 bookcases. - Screenshot – xPaw at 13:23, 23 July 2012 (UTC)
Annoyances
Fixed/Skipped
Language/Text Files
Bugs
[X] In Pirate language setting, Ender Chests are labelled as "Tallone's Coffer" instead of "Tall One's Coffer" 70.15.197.133 13:58, 23 July 2012 (UTC)