Java Edition Infdev 20100629

The twenty-third version of Minecraft Infdev was released on June 29, 2010.

Additions

 * Added wooden and cobblestone stairs, which currently lacks a proper inventory model.

Trivia

 * This was the first downloadable version of the game.
 * All Indev, Indev 0.31, and Infdev versions can be used in the legacy launcher from 2010-2013.
 * When Infdev was available on minecraft.net, it would run from the minecraft.jar of Infdev (June 18, 2010).