[Sorontar]

Latest snapshot: Minecraft Snapshot 12w01a

• Client: http://assets.minecraft.net/12w01a/minecraft.jar
• Server: http://assets.minecraft.net/12w01a/minecraft_server.jar

The first link lists many changes, including

• hillier terrain
• flat world option
• changes to collision boxes for gates and ladders

For the future AI changes,

The first goal is to add breeding support to wolves, and then move on to more useful / interesting villagers.

but that is still to be done.

Sorontar