Minecraft:Java Edition Classic 0.0.21a

0.0.21a<ref name="release"/><ref name="yt">Template:Ytl</ref> is a version of Minecraft:Java Edition Classic released on June 22, 2009,<ref name="blog">Template:Twon</ref> at 19:52 UTC.<ref name="release">IRC logs: "P2:52:16 <Notch> 0.0.21a is up, fixing the long standing picking bug" (19:52:16 UTC)</ref> This version is not available in the launcher, but its reupload has been archived elsewhere.

0.0.21a was reuploaded<ref>IRC logs: "P3:12:15 <peerkoel> hm, client version is still 0.0.21a?" (20:12:15 UTC)</ref> at 20:08 UTC (16 minutes after release) to re-add the ability to auto-click.<ref name="reupload">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)</ref>

Changes

File:Blocks0021a.png

All of the blocks in this version.

Blocks

Minecraft:Plants

• If a plant is in the shade, then selected, its sprite will vanish.<ref>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)</ref>

Gameplay

Minecraft:Inventory

• Now has a gray background.<ref name="yt"/>
• It is now possible to walk and change slots while in the inventory.<ref>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)</ref>

Minecraft:Controls

• Auto-clicking now works again.<ref name="reupload"/>
• Build distance was increased.<ref>IRC logs: "P3:12:45 <AlLnAtuRalX> Notch, thanks for increasing build distance" (20:12:45 UTC)</ref>

General

Minecraft:Menu screens

File:Generation in 0.0.21a.jpg

The generation in this version.

• "Carving" section of world generation has been changed slightly, causing the world to take longer to generate.<ref>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)</ref>

Technical

Performance

• Higher FPS on some computers.<ref name="blog"/>

Fixes

3 bugs fixed

• Fixed a bug that caused the game to be impossible to play on MacBook.<ref name="blog"/>
• Fixed a bug with OpenGL picking.<ref name="release"/><ref>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)</ref>
  • Changed to using raycasting.<ref>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)</ref>
• Fixed a problem with not being able to highlight blocks.<ref>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)</ref>

Bugs

2 bugs reported

• Pre-reupload: Mouse auto-clicking no longer works.<ref>IRC logs: "P3:00:13 <PuyoDead> no auto click is killing me already" (20:00:13 UTC)</ref>
• Reupload: Introduced a hang bug, causing the game to freeze randomly, requiring a relaunch to resolve.<ref>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)</ref>

Gallery

• Sonic pixel art
  Sonic pixel art
• File:Classic 0.0.21a screenshot2.png
• File:21apyramid inside.jpg
• File:21acastle.jpg
• File:21askybridge.jpg

References

• Template:AnchorIRC logs on Archive.org; #minecraft.20090622.log. June 22, 2009 (UTC−5).