Java Edition 15w39a

15w39a is the twenty-sixth snapshot released for 1.9, that apart from fixing bugs, changed the dimension of various mobs.

Changes

 * Creepers
 * Are slightly shorter (1.7 blocks tall rather than 1.8).
 * Skeletons
 * Are slightly taller (1.99 blocks tall rather than 1.95).
 * Wither skeletons
 * Are slightly smaller (2.4 blocks tall and 0.7 blocks wide rather than 2.535 blocks tall and 0.72 blocks wide).
 * Cows and Mooshrooms
 * Are slightly taller (1.4 blocks tall rather than 1.3).
 * Iron golems
 * Are slightly shorter (2.7 blocks tall rather than 2.9).
 * Squids
 * Are slightly smaller (0.8 blocks square rather than 0.95).
 * Villagers
 * Are slightly taller (1.95 blocks tall rather than 1.8).
 * Wolves
 * Are slightly taller (0.85 blocks tall rather than 0.8).