Java Edition Beta 1.7.2

Beta 1.7.2 is a version of Java Edition Beta released on July 1, 2011, to fix some of the bugs and crashes in Beta 1.7_01.

It is not known if there was a Beta 1.7.1

Fixes
3 bugs fixed


 * Crashed worlds now work again.
 * Disappearing piston fixes.
 * Pistons that caused crashing for multiplayer servers fixed.