12w40a
Minor terrain additions for the witch
Slimes will spawn in swamps at night
Flatworld configuration now allows you to generate trees, strongholds etc
A number of new NBT tags for items (intended for custom map makers)
The pick block action now works on items
Pressing the 1-9 hotkeys while hovering over an item will put that item into the inventory bar
The left-click action will no longer open doors, pull levers, push buttons or open trapdoors. Use the right mouse button!
Firespread has been slightly nerfed again to prevent infinitely spreading fires
More bugfixes & tweaks!