0.0.20a_01 (21 ore 9 min, 20 giug 2009 anni – 14 ore 52 min, 21 giug 2009 anni)
Descrizione:
 Hotbar
   Dirt and cobblestone positions are now 
   switched to third and second slots in the 
   hotbar, respectively.
Fixed a bug that caused clients to build unbreakable blocks.
Fixed a protocol error.
Fixed FPS issues.
Bugs
   Water transparency is bugged.
      Sometimes the water looks opaque.
      Water tiles have light blue bits in their 
      borders.
   Usernames are now harder to read. 
Aggiunto al nastro di tempo:
Data:
21 ore 9 min, 20 giug 2009 anni
14 ore 52 min, 21 giug 2009 anni
 ~ 17 hours