Java Edition 1.2.1/Development versions
This is a list of Java Edition 1.2.1 development versions.
12w03a
12w03a is the first snapshot for Java Edition 1.2.1, released on January 19, 2012,[1] which added jungle biomes and jungle trees.
Additions
Blocks
- Generates as part of jungle trees.
- Drops Oak saplings
- Slightly-mossy brown textured with horizontal bark.
- Generates as part of jungle trees.
World generation
- Added jungle biome.
- Thick canopy with jungle trees, vines, fern, and brightly-colored grass.
Changes
Blocks
- Regained collision box.
- Are now climbable if the player was pushed into a solid block while next to them.
Items
- Dispensers can spawn mobs when dispensing spawn eggs.
- Spawn eggs are now stackable to 64.
Mobs
- Have new AI.
- Can be bred by using raw chicken, cooked chicken, raw porkchop, cooked porkchop, raw beef, steak, and rotten flesh when tamed.
- Have new path-finding AI.
General
- Updated language files.
12w04a
12w04a is the second snapshot for Java Edition 1.2.1, released on January 26, 2012,[2] which adds ocelots, jungle saplings, bottles o' enchanting, and fire charges.
Additions
Blocks
- Can be grown into the new jungle trees.
- Growing a 4×4 square of jungle saplings to create large jungle trees.
Items
- Can be thrown similarly to splash potions and spawns experience orbs upon breaking.
- Can be shot out of dispensers to launch fireballs and can be placed to create fire.
- Spawns the ocelot mob.
Mobs
World generation
- Newly generated structures which are exclusive to desert biomes.
Changes
Blocks
- Texture changed from
.
- Texture changed from
.
- Players are slowed when going through vines due to their nature of being a collisionless ladder.
Items
- Eggs set to spawn arbitrary data IDs (such as giants, ender dragons, ender crystals) no longer spawn those entities.
- Now only spawn the mobs available in the creative inventory.
Mobs
General
- Mobs have a new AI with new and improved behaviors.
- Skeletons and zombies burning from sunlight flee to darkness or jump in water.
- Mobs no longer attempt to jump over wooden fences.
Gameplay
- Formatting codes can no longer be typed in chat using the vanilla client.
General
- Updated language files.
12w05a
12w05a is the third snapshot for Java Edition 1.2.1, released on February 2, 2012,[3] which makes minor changes to mobs.
12w05a was reuploaded later on February 2, 2012, to fix a bug where the game would crash when right-clicking a sitting cat empty-handed, as well as fixing racist translation griefings.[4]
12w05b
12w05b is the fourth snapshot for Java Edition 1.2.1,[5] released on February 3, 2012, which makes small changes to mob AI and fixes a few bugs.
Changes
Mobs
General
- Has a slight delay before buttons become active, to avoid accidentally clicking buttons when killed.
Fixes
2 bugs fixed
- Fixed shift-clicking the result from crafting only giving half the items and consuming all leftover materials.
- Fixed cats being unable to sit when right-clicked with an empty hand.
12w06a
12w06a is the fifth snapshot for Java Edition 1.2.1, released on February 9, 2012,[6] which adds new sounds and modifies block placement rules and mob AI.
Additions
General
Changes
Blocks
- Doors have been changed to properly detect if they are open or closed. Double doors in existing maps are not affected.
- Placing two pressure plates directly in front of doors and stepping on them opens doors correctly.
- When stepping on a single pressure plate, only the door on that side opens.
- When stepping on both pressure plates, both doors open.
- Can now be placed on glowstone.
Mobs
General
- Added rare item drops for mobs.
- Improved movement when mobs are in water.
- Most mobs now move slower.
- When a player is targeted by a hostile mob, it continues to track the player despite being attacked by other mobs.
- Now swim extremely fast with the water stream towards the player, but seem to be almost not moving against the water stream.
- Now have a rare chance to drop a bow, which may be enchanted.
- Now take damage from rain and water.
- AI has been improved.
- Now socialize with each other and other passive mobs.
- Now go inside shelter when it is raining.
- Now run away from zombies.
- AI has been improved.
- On Hard difficulty and Hardcore, zombies now break down wooden doors.
- On Normal and Easy difficulty, zombies attack but don't break down wooden doors.
- Now chase and attack villagers.
- Now attack doors when attempting to escape sunlight.
- Now have a rare chance to drop an iron ingot, iron helmet, iron shovel, or iron sword.
- Now have a rare chance to drop golden armor, a gold ingot, or a golden sword which may be enchanted.
- Now swim faster when in water.
General
Debug keys
- Pressing F1 to hide the HUD additionally disables hitbox outlines on blocks and the block breaking animation.
Fixes
5 bugs fixed
- Creepers no longer explode after death.
- Villagers can no longer open iron doors.
- Ocelots, zombies, wolves, and skeletons no longer spin in circles on non-full-height blocks.
- Cobwebs prevent the player from receiving fall damage.
- Monster spawners now show correct mobs in multiplayer.
12w07a
12w07a is the sixth snapshot for Java Edition 1.2.1, released on February 15, 2012,[7] which adds redstone lamps and updates the world type from Region to Anvil, which increases the height limit from 128 blocks to 256.
Additions
Blocks
General
World file format
- Worlds now use the new Anvil file format instead of Region.
Maltese language
- Re-added after being removed in 12w01a.
- New setting:
max-build-height
Changes
Blocks
- Can now be placed on the top of glass.
- Can now be placed on the top of glass.
- Now only two blocks are required to break a fall from the maximum build height to y = 0 instead of four.
Items
- No longer tills dirt or grass blocks when they have another block on top of them.
Mobs
- Decreased chance for the rare mob drops.
- Added zombie sieges, a rare event where a horde of zombies attacks a village at midnight.
AI
- All animals now use the new AI system.
- Animals can now move their heads when walking.
- Baby animals now follow wheat.
- Added baby villagers.
- Villagers can now breed in order to repopulate villages based on how many houses there are available.
World generation
- The player may add houses to villages, provided they are enclosed with a roof and wooden door.
General
- Multiplayer light recalculations no longer cause affected blocks to be transmitted to clients; instead the clients recalculate the effects when it is updated client-side.
Fixes
3 bugs fixed
- Fixed wolf AI: they no longer teleport huge distances when the player is hit.
- Removed zombies' ability to break iron doors.
- Fixed cows breeding with mooshrooms.
12w07b
12w07b is the seventh snapshot for Java Edition 1.2.1, released on February 15, 2012,[8] which fixes bugs from 12w07a.
Fixes
3 bugs fixed
- Fixed blocks being destroyed when a block on fire is hit.
- Fixed crash when mobs were spawned above Y=255.
- Fixed sheep animation in multiplayer.
12w08a
12w08a is the eighth and the final snapshot for Java Edition 1.2.1, released on February 23, 2012,[9] which adds the iron golem and debug camera controls.
Additions
Mobs
- New utility mob.
- One iron golem may spawn in a village for every 16 villagers
- Can also be spawned by arranging 4 iron blocks and a pumpkin.
General
Controls
- Added camera controls.
- These were accidentally added. Jeb noted them as "deadmau5 camera" controls and would likely be removed again in an upcoming snapshot.[10][11]
- Pressing F6 causes the player to get "stuck" to the camera until F6 is pressed again. This allows players to appear to phase into blocks.
- Pressing F9 causes the camera to freeze in its position, allowing to see the player model rotating in third person view.
- Pressing Y, H, U, O, I, K, J, L, N and M change the camera positioning in a variety of ways. While pressing two functionally connected keys at the same time the camera may be reset (example: Y + H reverts that view back to normal, but U + O does not).
Changes
Blocks
- Can now be placed upside-down.
World generation
General
- Lava ponds and flat stone areas now generate on the surface more frequently.
General
- Removed some Canadian English stereotypes.
Fixes
1 bug fixed
1.2
1.2 is the first and only pre-release for Java Edition 1.2.1, released on February 29, 2012,[12] which adds chiseled stone bricks.
Additions
Blocks
- New type of stone bricks.
- Creative-exclusive block.
- Two new textures have been added to the
terrain.pngfile. They look similar to sandstone but instead they contain hieroglyphics. These blocks have not been added to the game yet.
Mobs
- Now have sounds.
Changes
Blocks
- Crafting recipe now produces 3 ladders instead of 2.
- Changed the textures of Lit Redstone Lamp.
- Crafting recipe now produces 6 slabs instead of 3.
- Can now be placed upside-down when placed against the bottom of a block.
- Are not affected by quasi connectivity anymore.
General
Controls
- Removed camera controls accidentally added in 12w08a.
- Pressing F3 now displays what biome the player is currently in.
- Raw, sky & block brightness values called rl, sl & bl respectively.
Fixes
21 bugs fixed
- Nerfed iron golem spawn rate.
- Fixed bug with updating powered rail when placing redstone.
- Fixed stairs being placed upside down when placed on snow.
- Fixed not being able to put torches on upside-down stairs, probably normal stairs too.
- Fixed jukeboxes not playing above level 128.
- Fixed not being able to grow huge mushrooms above level 128.
- Fixed bug with growing trees above level 128 with bone meal.
- Fixed crash bug with iron golem building.
- When building an iron golem, the block above them is no longer destroyed.
- Fixed tamed wolves still attacking sheep.
- Fixed some language bugs.
- Fixed some Anvil bugs.
- Fixed the client not properly handling biome values greater than 22.
- Fixed mobs spawning half as quick due to the code checking in invalid spawning places half of the time due to the new world height.
- Fixed lava lakes generating over bedrock.
- Fixed iron golem's texture being white or invisible.
- Fixed the iron golem model.
- Fixed villagers being restless at night.
- Fixed nether wart dropping from soul sand.
- Fixed lag from iron golems.
- Iron golems no longer drown.
Trivia
- 1.2 is the first version to be released on a leap day.
- It is also one of only two versions in Java Edition to be released on a leap day, the other one being 1.9 (2016).
Notes and references
- ↑ "Minecraft Snapshot 12w03a" (archived) by Jens Bergensten – Mojang.com, January 19, 2012.
- ↑ "Minecraft Snapshot 12w04a" (archived) by Jens Bergensten – Mojang.com, January 26, 2012.
- ↑ "Minecraft Snapshot 12w05a" (archived) by Jens Bergensten – Mojang.com, February 2, 2012.
- ↑ "Snapshot is back online! http://mojang.com/2012/02/02/minecraft-snapshot-12w05a/" – @jeb_ (Jens Bergensten) on X (formerly Twitter), February 2, 2012
- ↑ "Minecraft Snapshot 12w05b" (archived) by Jens Bergensten – Mojang.com, February 3, 2012.
- ↑ "Minecraft Snapshot 12w06a" (archived) by Jens Bergensten – Mojang.com, February 9, 2012.
- ↑ "Minecraft Snapshot 12w07b (Updated!)" (archived) by Jens Bergensten – Mojang.com, February 15, 2012.
- ↑ "Minecraft Snapshot 12w07b (Updated!)" (archived) by Jens Bergensten – Mojang.com, February 15, 2012.
- ↑ "Minecraft Snapshot 12w08a" (archived) by Jens Bergensten – Mojang.com, February 23, 2012.
- ↑ https://twitter.com/jeb_/status/172982497104240640
- ↑ https://twitter.com/jeb_/status/172983022038163456
- ↑ "Minecraft 1.2 Preview" (archived) by Jens Bergensten – Mojang.com, February 29, 2012.
