Several features in 0.30 laid the groundwork for what Minecraft is today, though some were eventually removed or changed.

Looking back, 0.30 is an unpolished gem. But almost every major system in modern survival games traces directly back to this unstable December 2009 build.

: This version used "Classic" water physics, where one block could flood the entire map because there were no source blocks or flow limits. Preservation and Legacy