Java Edition pre-Classic rd-20090512

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Java Edition

Date developed

May 12, 2009

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This version is currently missing.
While this version is known to exist due to video or photographic evidence or from being mentioned by a developer and may have been publicly available, this version is missing from the launcher and has not been archived elsewhere, meaning that it is currently lost.
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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.[1] This version was unreleased, and no footage exists of this build.


  • Fixed an unspecified performance issue.[1]


  1. a b "lwjgl IRC logs" – Echelog, May 13, 2009. "[13:34:09] <Notch> i was trying to narrow down a performance issue last night.".