Java Edition Classic 0.0.21a
The pre-reupload version of this release is lost.
While this release is known to exist, it has not been archived in the launcher or elsewhere, and is therefore considered lost.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 of this page.
If you believe you have a copy of this version, please post it on the talk page of this page.
0.0.21a

| Edition | ||||||
|---|---|---|---|---|---|---|
| Release date |
June 22, 2009 | |||||
| Server version | ||||||
| Downloads | ||||||
| Protocol version |
6 | |||||
| Minimum Java version | ||||||
| al_version |
6.25 | |||||
| ||||||
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{
"field": "'''Original:''' Client not archived<br>\n'''Reupload:''' [https://vault.omniarchive.uk/archive/java/client-classic/c0.0.21a-2008.jar Client] ([https://meta.omniarchive.uk/versions/v1/c0.0.21a-2008.json .json])",
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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released on June 22, 2009,[3] at 19:52 UTC.[1] This version is not available in the launcher, but its reupload has been archived elsewhere.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 20:09 UTC (17 minutes after release) to re-add the ability to auto-click.[5]
Changes

Blocks
- If a plant is in the shade, then selected, its sprite will vanish.[6]
Gameplay
- Now has a gray background.[2]
- It is now possible to walk and change slots while in the inventory.[7]
General

- "Carving" section of world generation has been changed slightly, causing the world to take longer to generate.[9]
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][10]
- Changed to using raycasting.[11]
- Fixed a problem with not being able to highlight blocks.[12]
Bugs
2 bugs reported
- Pre-reupload: Mouse auto-clicking no longer works.[13]
- Reupload: Introduced a hang bug, causing the game to freeze randomly, requiring a relaunch to resolve.[14]
Gallery
-
Sonic pixel art. -

-

-

-

References
- IRC logs on Archive.org; #minecraft.20090622.log. June 22, 2009 (UTC−5).
- ↑ a b c IRC logs: "P2:52:16 <Notch> 0.0.21a is up, fixing the long standing picking bug" (19:52:16 UTC)
- ↑ a b "minecrafting" – Lil fimbul on YouTube, June 23, 2009
- ↑ a b c "New client, fixes a few annoyances" – The Word of Notch, June 22, 2009
- ↑ IRC logs: "P3:12:15 <peerkoel> hm, client version is still 0.0.21a?" (20:12:15 UTC)
- ↑ 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)
- ↑ 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)
- ↑ 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)
- ↑ IRC logs: "P3:12:45 <AlLnAtuRalX> Notch, thanks for increasing build distance" (20:12:45 UTC)
- ↑ IRC logs: "P2:54:48 <greenslimy> Notch, Im on single player and generating a map is so slow >.>" [...] "P2:57:04 <Notch> carving changed a bit" (19:54:48 & 19:57:04 UTC)
- ↑ 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)
- ↑ 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)
- ↑ 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)
- ↑ IRC logs: "P3:00:13 <PuyoDead> no auto click is killing me already" (20:00:13 UTC)
- ↑ 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)