Java Edition Classic 0.0.12a_02

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Java Edition

Release date

May 19, 2009


Client not archived
No corresponding server

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This version is currently missing.
While known to exist and to have been publicly available due to video or photographic evidence or from being mentioned by a developer, this version is missing from the launcher and has not been archived elsewhere, meaning that it is currently lost.
If you believe you have a copy of this version, please post on this page's talk page.
It is worth noting that numerous fake copies of this version exist, so please consider checking the dates of the files inside with something like WinRAR or 7-Zip.

0.0.12a_02[1] was a version of Classic released on May 19, 2009, at 23:20 UTC.[2][3][note 1][note 2]


  • Improved performance.


  1. While some sources imply that this version was released on May 20, it was actually released at 23:20 UTC on May 19 (which is 01:20 on May 20, Sweden time).
  2. Although it could not previously be determined which UTC was used by Echelog for the #lwjgl IRC logs, this UTC is now known to be UTC+2. IRC logs show that Notch reposted a line from #lwjgl to #tigirc, and the UTC offset of #tigirc logs is already known to be UTC-4.


  1. "0.0.12a_02 runs smoother than ever." – The Word of Notch, May 20, 2009.
  2. "lwjgl IRC logs" –, May 20, 2009, UTC+2. "[01:19:56] <Notch_> 0.0.12a_02 is up with some performance fixes.".
  3. "TigIRC logs" (archived) –, May 19, 2009, UTC–4. : (19:22:46) notch: Notch_> 0.0.12a_02 is up with some performance fixes.