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Minecraft Wiki
Minecraft Wiki
Minecraft 1.4.5
Java Edition 1.4.5.png

Java Edition

Release date

Pre-release: November 16, 2012
Release: November 19, 2012


Pre-release client (.json)
Release client (.json)
Server (.exe)

Protocol version


Other instances
of 1.4.5

1.4.5[1] is a minor update to Minecraft (Java Edition) that was released on November 19, 2012,[2] to fix some of the bugs and crashes in Java Edition 1.4.4. It is compatible with 1.4.4 servers.

A pre-release version of 1.4.5 was released on November 16, 2012.[2] This pre-release was later reuploaded,[3] and this reupload preceeded to become the full release of 1.4.5.


74 issues fixed
From released versions before 1.4.5
  • MC-113 – Wolves will teleport to player when player goes far enough from where the wolves are and the chunk unloads.
  • MC-161 – Random floating gravel.
  • MC-168 – Lag on some superflat maps.
  • MC-169 – Pickup sound after following arrow into portal.
  • MC-232 – Wolf attacks once, then stops attacking.
  • MC-245 – When the player builds a 1x1 tower, sometimes they would glitch through a block and fall down.
  • MC-274 – [Multiplayer only] When using water on mob heads, for some players the head appears to be a skeleton.
  • MC-280 – Die suffocated on the wall.
  • MC-305 – Blocks are not shaded when selected in beacon GUI.
  • MC-332 – Pet dog / cat randomly falls on certain blocks and dies.
  • MC-333 – Invisibility on riding entities not working properly.
  • MC-343 – Animals getting stuck in blocks and die.
  • MC-356 – Chunks won't load after /tp.
  • MC-396 – Players falling through half-slabs.
  • MC-481 – Entities of players and mobs stay after leaving/exploding.
  • MC-520 – Cave sounds being cut off.
  • MC-596 – Getting hurt by skeletons when in peaceful.
  • MC-730 – Slimes having choppy movement.
  • MC-733 – Extreme frame-rate drop.
  • MC-734 – Wither skeletons not spawning in pre-generated fortresses.
  • MC-759 – Arrows shot into bottom of block cannot be picked back up.
  • MC-773 – Partial transparent entity.
  • MC-851 – Memory leak when running a small server.
  • MC-898 – Zombies would be invisible to the player.
  • MC-901 – Teleporting using a Command Block and pressure plates occasionally stick a player into a block.
  • MC-903 – Client crash when logging in to 1.4.2 server.
  • MC-928 – Wood block doesn't break.
  • MC-946 – Command Blocks losing command data on multiplayer.
  • MC-968 – Back from the Nether glitch.
  • MC-978 – Maps in item frame in multiplayer.
  • MC-993 – After the server has had 24 hours of runtime, it would start spamming "Console stack trace :: Invalid argument".
  • MC-994 – Minecraft sound glitch.
  • MC-1031 – Can place blocks but cannot break solid blocks.
  • MC-1043 – Issue with dropping frames in 1.4.2.
  • MC-1059 – Bug that does not allow players to play on their server.
  • MC-1074 – FPS fluctuation after going into the Nether on a custom superflat.
  • MC-1173java.lang.ClassCastException: amg cannot be cast to amb.
  • MC-1232 – Blocks drop when you place a torch on them and mine them for a few seconds.
  • MC-1282 – Cannot exit nether portal in nether while open trap doors are adjacent to the portal.
  • MC-1289 – Zombie fall damage is irregular.
  • MC-1296 – Sound bug with arrows in water.
  • MC-1346 – Shooting a bow while in a boat causes the shot to be way off.
  • MC-1477 – Spider jockey skeleton takes damage in daylight, but does not appear to be on fire.
  • MC-1479 – Can't click in creative menu to get an item from it, must use keyboard.
  • MC-1557 – Enchanted items should appear enchanted when dropped on the ground.
  • MC-1563 – Command blocks teleporting wrong.
  • MC-1621 – Ender Chests still have the old collision box and bounding box.
  • MC-1919 – Tamed wolves won't get up.
  • MC-1965 – Double Digit Maps erase info on earlier maps.
  • MC-1997 – Spawners (edit: and possibly other blocks) disappear when torches are removed.
  • MC-2118 – When using 'pick block' on leaves, even though are already leaves in hotbar, you will get a new leaves block in the first empty slot.
  • MC-2132 – In a Superflat world, the player would overstep the ground, and would then have to fly and break the soil to pass up.
  • MC-2151 – When the player re-opens their game, it puts them in another location from where they were when they closed the game.
  • MC-2158 – Roughly every 24 hours, Minecraft server enters a state where players cannot connect.
  • MC-2170 – Dispensers are firing towards one side depending on the direction.
  • MC-2259 – Stacking anvil graphical glitch.
  • MC-2401 – On SMP When using a shovel to destroy dirt/sand no block lag, without a shovel block lags.
  • MC-2458 – Boats can pass through walls.
  • MC-2497 – Weird random flames from torches/spawners are appearing.
  • MC-2498 – Spawning baby wolves from wild ones.
  • MC-2500 – Spawning baby villagers creates farmer baby villagers only.
  • MC-2507 – Entering IPv6 server crashes the client.
  • MC-2508 – Last page of /help missing.
  • MC-2513 – Flying bug with damage.
  • MC-2590 – Entities teleporting to and from origin in multiplayer.
  • MC-2704 – Potion bubbles glitch when you're in minecart.
  • MC-2796 – Enchanted pickaxe works better than shovel.
  • MC-2910 – 1285 Out of Memory ### GL ERROR ###.
  • MC-3003 – Skeleton will always pick up items.
  • MC-3163 – Rail turnout bug.
  • MC-3239 – Spawner flame remaining.
  • MC-4525 – In full screen mode the panorama background on the menu screen is not shown.
  • MC-4552 – Firework crackline effect sound not playing when multiple rockets explode.
  • Fixed LAN servers not connecting correctly.


1.4.5 was re-released 4 days after its initial prerelease to fix MC-2497.