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 more faster.
 * The terrain seems to be much less mountainous. Instead, hills generate very often.
 * Mobs now spawn less often.
 * Saplings grow into big trees. [Techincally this change already existed in Infdev 20100414 with Big Trees for renewability by saplings. This feature first appeared in Infdev 20100413 with Saplings planted in Infdev 20100327 and Infdev 20100330 growing into Big Trees but was nonrenewable. I tested this out and it does indeed work.]
 * 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.