Java Edition 1.2.3

'1.2.3'  is a minor update to Minecraft (Java Edition) released on March 2, 2012, to fix some of the bugs and crashes in 1.2.1 and 1.2.2.

Fixes

 * 4 bugs fixed
 * Fixed light bug causing a crash at y=255.
 * Corrected zombies and skeletons not burning in sunlight.
 * Fixed all natural light being 1 light level darker than it should be, except at world creation.
 * Corrected birch and spruce saplings not growing at a height above y=127.