12w21a is the sixth snapshot released for Java Edition 1.3.1.
Additions[]
Blocks[]
- Drops 1 emerald when mined.
- Generates in blobs of up to 10 blocks.
- Crafted with 8 obsidian and 1 eye of ender.
- All ender chests in a world have the same contents, if those contents change it will affect the contents of all other ender chests.
- On multiplayer, the ender chest's contents will be the same for all players on a server.
Items[]
- Dropped when mining an Emerald ore block.
- Used in villager trading.
- A second golden apple made with blocks of gold.
- After being consumed, the player receives 30-second regeneration IV, plus resistance and fire resistance for 5 minutes.
World generation[]
- New generated structure in desert biomes that resemble pyramids.
- Have a TNT trap and loot chests inside.
- Villages that generate in desert biomes will now be made of sandstone rather than wood and cobblestone.
Gameplay[]
- Villagers will buy or sell the player emeralds in exchange for certain items.
- Trade with villagers by right-clicking on them, opening up a GUI with one buying slot and one selling slot.
Command format[]
/seed
- Displays the current world seed.
Changes[]
Blocks[]
- Dispensers will eject water and lava source blocks from buckets.
- Will also take water and lava source blocks if there is an empty bucket inside.
- Changed gravel texture.
- Removed old chest texture, causing locked chests to appear as the purple default block.
Items[]
- Are now stackable.
Mobs[]
- Can be easily pushed around by simply walking, most likely intended to help the player navigate through animal farms more easily.
Non-mob entities[]
- Boats will now pass through lily pads without breaking the boat; the lilypad drops as an item instead.
- While sitting inside of a minecart pushing the directional keys will make it move the direction you are pressing, this will only work while the minecart is sitting on rails.
Gameplay[]
- Added snow to the creative inventory.
- Removed Server Jar dependency in singleplayer.
- Stars are more realistic.
- They are now slightly smaller and slightly brighter.
General[]
- Improved Options menu.
- The F3 menu no longer has the frame time graph.
Trivia[]
- In this version, when loading a single player world, one needs to put
minecraft.zip/server/minecraft_server.jar
into.minecraft/server
manually to continue loading.