Java Edition pre-Classic rd-20090512

Unreleased

rd-20090512 refers to a pre-Classic version of Minecraft (then called Cave Game) made on May 12, 2009. It improved the game performance by narrowing down an unknown performance issue. This version was unreleased, and no footage exists of this build.

Fixes

 * Fixed an unspecified performance issue.

Trivia

 * Unlike other pre-classic versions, this does not use a "ddhhmm" (day-hour-minute) format, but instead a "yyyymmdd" (year-month-day) format.