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Java Edition Classic 0.0.23a

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Java Edition

Server version


Release date

July 11, 2009


Client not archived

Protocol version


Missing Texture Block.png
This version is currently missing.
While this version is known to exist it is missing from the launcher and has not been archived elsewhere, meaning that it is currently lost.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 the talk page.

0.0.23a was a version of Java Edition Classic released on July 11, 2009, at around 14:16 UTC.[1][2]


Options menu
  • Customizable controls.[3]
    • Controls can be edited by navigating through the pause menu opened by pressing Escape.[3][4]
    • Players can no longer move with the arrow keys by default
    • Pressing F no longer toggles the render distance[5] as it is now set as an option.[6]
      • There are four render distance levels.[7]
  • There are now separate options to turn off sound and music.
  • FPS meter removed unless the "Show FPS" option is set.[8]
  • * Clicking a player's name under the Tab menu pastes their name into chat.[9]


  • Changed texture for menu buttons.
  • Sand and gravel no longer 'fall' down atop water or lava as if it were a solid block.
    • Instead they will fall through the liquid, and the location where the block was placed will be replaced by the liquid.
    • This liquid was stationary but will flow once updated.
  • Pressing the ⊞ Windows key will no longer allow for jumping.


  • IRC logs on; #minecraft.20090711.log. July 11, 2009 (UTC−5).
  1. "Back in the saddle, client 0.0.23a is out" – The Word of Notch, July 11, 2009
  2. IRC logs: "A9:16:20 * Notch changes topic to ' | Client 0.0.23a is out with new options and the ability to remap keys" (14:16:20 UTC)
  3. a b IRC logs: "A9:16:30 <Rock_D> huh, options?", "A9:16:39 <Adura> Via Esc" [...] "A9:28:01 <CheeToS> I like the new esc menu buttons" (14:16 to 14:28 UTC)
  4. IRC logs: "A9:16:47 <PuyoDead> hey, I like the new buttons" (14:16:47 UTC)
  5. IRC logs: "A9:21:23 <PuyoDead> wait, does F still do that as well?" [...] "A9:21:32 <CheeToS> PuyoDead: no" [...] "A9:22:36 <PuyoDead> awwww... I really, REALLY needed that key for render distance." (14:20 to 14:22 UTC)
  6. IRC logs: "A9:20:06 <CheeToS> Notch: aw man, you removed the varying render distances? I found it EXTREMELY useful :\" [...] "A9:20:18 <08Notch> no, it's still there!" [...] "A9:20:26 <08Notch> under options, though" (14:20 UTC)
  7. IRC logs: "A9:20:38 <08Notch> huh? should be four levels", "A9:20:40 <citricsquid> There's still 4..." (14:20 UTC)
  8. IRC logs: "A10:37:40 <Quatroking> where's my FPS counter", "A10:37:46 <citricsquid> escape > options" (15:37:40 UTC)
  9. "Back in the saddle, client 0.0.23a is out" – The Word of Notch, July 11, 2009