Java Edition Classic 0.0.21a

0.0.21a is a version of Classic released on June 23, 2009. This version is unavailable in the launcher.

Additions

 * Multiplayer
 * Added support for new tile types.

Changes

 * Higher FPS on some computers.

Fixes

 * Fixed a bug that caused all MacBook users to be impossible to play the game.
 * Picking (pick block) should work everywhere.
 * Multiplayer
 * Fixed an exploit where someone logging in with an illegal name would cause players to disconnect.