Java Edition 12w40b

12w40b is the eleventh snapshot for 1.4.2, released to fix some of the bugs and crashes in 12w34a and add a new commands feature.

Additions

 * Added tilde notation to allow relative coordinates specification in commands.

Fixes
3 bugs fixed


 * Fixed a bug causing block breaking to carry over to the next block you start to break.
 * Fixed beacon rendering.
 * Fixed a crash related to maps in strongholds.