Java Edition Classic 0.0.21a_01
This version is currently 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While this release is known to exist, it has not been archived in the launcher or elsewhere, and is therefore considered lost.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_01

| Edition | ||||
|---|---|---|---|---|
| Release date |
June 23, 2009 | |||
| Server version | ||||
| Downloads |
Client not archived | |||
| Protocol version |
6 | |||
| Minimum Java version | ||||
| al_version |
6.27 | |||
| ||||
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0.0.21a_01[1][2][3][4][5] is a version of Java Edition Classic released on June 23, 2009, at 16:17 UTC to try to fix a "hang bug" by adding a max iterations to the clipping.[6][7]
Fixes
- Attempted to fix a "hang bug" by adding a max iterations to the clipping.[6][8]
- However, the game still hangs. As the problem made worse, performance is now much lower than in previous versions.[9]
Gallery
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The Minecraft webpage with this version. -

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References
- IRC logs on Archive.org; #minecraft.20090623.log. June 23, 2009 (UTC−5).
- ↑ "MineCraft house tour" – Chantaru413 on YouTube, June 26, 2009
- ↑ https://oi194.photobucket.com/albums/z61/ninjachuck385/cavern3.png
- ↑ https://www.youtube.com/watch?v=DrkcrYoxl3Y
- ↑ https://www.youtube.com/watch?v=R-RicZjBaXk
- ↑ https://www.youtube.com/watch?v=8Xv4XU9D4DY
- ↑ a b "Is the hang bug fixed in 0.0.21a_01?" – The Word of Notch, June 23, 2009
- ↑ IRC logs: "A11:17:11 <08Notch> client 0.0.21a_01 is up, fixing the hang bug" (16:17:11 UTC)
- ↑ IRC logs: "A11:40:57 <08Notch> the only difference between 0.0.21a and _01 is that I added a max iterations on the clipping" (16:40:57 UTC)
- ↑ IRC logs: "A11:24:10 <08Notch> so it still hangs? :-O [...] A11:24:14 <akuryo> yeah notch" (16:24 UTC)