Java Edition Infdev 20100420

A version of Minecraft Infdev was released on April 20, 2010.

Changes

 * The level generator has been updated.
 * It is now much faster.
 * The terrain seems to be much less mountainous. Instead, hills generate very often.
 * Mobs now spawn less often.
 * The world automatically saves less often.
 * Mob pathfinding and behavior changed.
 * Changed world save format.

Fixes

 * The mob pathfinding no longer leads them off big drops in negative coordinates.
 * Hostile mobs no longer spawn in bright areas.