Java Edition Classic 0.0.3a

0.0.3a was a version of Classic released on May 16, 2009, at 18:05 UTC, to add caves.

World generation

 * Caves
 * Generate randomly underneath the ground.

Bugs

 * 2 bugs reported
 * This version crashed for one tester.
 * Blocks can be placed inside the space the player is currently inside.
 * This bug existed at least as far back as Java Edition pre-Classic rd-161348.