Datapack Codex

Java Edition Classic 0.0.21a

Minecraft Wiki article. Categories: Java_Edition_versions_with_missing_pre-reuploads, Lost_versions, Java_Edition_versions, Java_Edition_Classic_versions, Java_Edition_Middle_Classic_versions

📌 Mirrored from Minecraft Wiki

This article is reproduced from Java Edition Classic 0.0.21a on the Minecraft Wiki. Mirrored from revision 3707485. It is licensed CC BY-NC-SA 3.0 by the Minecraft Wiki contributors — not under the Codex’s CC BY-SA 4.0, and it may not be used commercially. Edits belong upstream, not here.

On this page
The pre-reupload version of this release is lost.
 
While this version is known to exist, it has not been archived in the launcher or elsewhere, and is therefore considered lost.
If you believe you have a copy of this version, please post it on the talk page.
0.0.21a
Classic 0.0.21a.png: Infobox image for Minecraft version '0.0.21a'
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    "title": "0.0.21a",
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            "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
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        {
            "field": "minecraft.net/play.jsp",
            "label": "(link to Applet#Hosting article, displayed as Applet page)"
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            "field": "6.25<br>6.26",
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0.0.21a[1][2] is a version of Java Edition Classic released on June 22, 2009,[3] at 19:52 UTC.[1] This version is not available in the launcher, but its reupload has been archived elsewhere.

0.0.21a was reuploaded[4] at 20:08 UTC (16 minutes after release) to re-add the ability to auto-click.[5]

Changes

All of the blocks in this version.

Blocks

Plants

  • If a plant is in the shade, then selected, its sprite will vanish.[6]

Gameplay

Inventory

  • Now has a gray background.[2]
  • It is now possible to walk and change slots while in the inventory.[7]

Controls

  • Auto-clicking now works again.[5]
  • Build distance was increased.[8]

Technical

Performance

  • Higher FPS on some computers.[3]

Fixes

3 bugs fixed

  • Fixed a bug that caused the game to be impossible to play on MacBook.[3]
  • Fixed a bug with OpenGL picking.[1][9]
    • Changed to using raycasting.[10]
  • Fixed a problem with not being able to highlight blocks.[11]

Bugs

2 bugs reported

  • Pre-reupload: Mouse auto-clicking no longer works.[12]
  • Reupload: Introduced a hang bug, causing the game to freeze randomly, requiring a relaunch to resolve.[13]
  • World generation in this version
    World generation in this version
  • Sonic pixel art
    Sonic pixel art

References

  • IRC logs on Archive.org; #minecraft.20090622.log. June 22, 2009 (UTC−5).
  1. ↑ a b c IRC logs: "P2:52:16 <Notch> 0.0.21a is up, fixing the long standing picking bug" (19:52:16 UTC)
  2. ↑ a b "minecrafting" – Lil fimbul on YouTube, June 23, 2009
  3. ↑ a b c "New client, fixes a few annoyances" (archived) – The Word of Notch, Tumblr, June 22, 2009.
  4. ↑ IRC logs: "P3:12:15 <peerkoel> hm, client version is still 0.0.21a?" (20:12:15 UTC)
  5. ↑ a b IRC logs: "P3:09:13 <Notch> client is updated again" [...] "P3:10:20 <Notch> does autoclick work now?" (20:09:13 to 20:10:20 UTC)
  6. ↑ IRC logs: "P3:13:23 <vdgmprgrmr> I noticed that, if any plant is in the shade, and you move your cursor over it while in delete mode, a transparent white box will appear like normal, but the actual plant sprites will vanish." (20:12:23 UTC)
  7. ↑ IRC logs: "P2:52:22 <Notch> also, new B-menu", "P2:52:28 <Notch> you can walk and change slot with it up now" (19:52 UTC)
  8. ↑ IRC logs: "P3:12:45 <AlLnAtuRalX> Notch, thanks for increasing build distance" (20:12:45 UTC)
  9. ↑ IRC logs: "P2:58:28 <peerkoel> Notch: what exactly was the picking bug?" [...] P2:58:40 <Notch> opengl picking wasn't working right on some cards" (19:58 UTC)
  10. ↑ IRC logs: "P2:58:54 <Notch> so I changed it to a pure software implementation (raycasting)", "P2:58:57 <Notch> it's also ten times faster, heh" (19:58 UTC)
  11. ↑ IRC logs: P4:05:10 <Haruhi2> I fixed the problem" [...] "P4:05:17 <Haruhi2> with not being able to highlight" [...] "P4:05:41 <Notch> actually, 0.0.21a fixes it at well" [...] "P4:05:51 <Notch> all highlighting is done is software now. =)" (21:05 UTC)
  12. ↑ IRC logs: "P3:00:13 <PuyoDead> no auto click is killing me already" (20:00:13 UTC)
  13. ↑ IRC logs: "P3:53:52 <flak> minecraft keeps randomly hanging my furryfaux", "P3:53:56 <Maulrus> same", "P3:54:05 <vdgmprgrmr> Same as flak." [...] "P3:54:20 <Maulrus> minecraft crashes it and I have to close the tab quickly when I restart it or it'll freeze it again", "P3:54:23 <Maulrus> but not often", "P3:54:24 <vdgmprgrmr> But it happens pretty rarely..." [...] "P3:55:15 <ZomBuster> it randomly freezes" (20:53:52 to 20:55:15 UTC)

Sources