SyncBot: Sync: updated from Minecraft

2026-06-25T11:16:27Z

Sync: updated from Minecraft

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SyncBot: Sync: updated from Minecraft

2026-06-24T11:17:25Z

Sync: updated from Minecraft

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	{{Navbox Java Edition versions\|Classic}}		{{Navbox Java Edition versions\|Classic}}

	[[Category:Java Edition Classic ~~Multiplayer Test~~ versions]]		[[Category:Java Edition Middle Classic versions]]

	[[Minecraft:de:Classic 0.0.20a]]		[[Minecraft:de:Classic 0.0.20a]]

SyncBot: Sync: new page from Minecraft

2026-06-22T11:07:24Z

Sync: new page from Minecraft

New page

{{Lost version}}
{{Infobox version
|title=0.0.20a
|image=Classic 0.0.20a (cropped).png
|server=[[Minecraft:Java Edition Classic server 1.8|1.8]]–[[Minecraft:Java Edition Classic server 1.8.1|1.8.1]]
|edition=java
|date=June 20, 2009
|clientdl=Client not archived
|prefix=Classic
|phase=Classic
|prev= 0.0.19a_06
|prevparent= 0.0.19a
|next= 0.0.20a_01
|nextparent= 0.0.21a
}}

'''0.0.20a''' is a version of [[Minecraft:Java Edition Classic]] released on June 20, 2009, at 20:53 UTC, which added inventory and cloth blocks.<ref name="blog">https://web.archive.org/web/20090721025618/http://notch.tumblr.com/post/127170416/new-server-new-client-version-0-0-20 New server, new client version 0.0.20 - June 20, 2009</ref><ref>[[#logs|IRC logs]]: "''P3:53:35 <Notch> new minecraft-server.zip up, new client up, there's a protocol change, so you need to update all servers''" (20:53:35 UTC)</ref>

== Additions ==
{{Additions table
|title=0.0.20a
|White Cloth
|Light Gray Cloth
|Dark Gray Cloth
|Red Cloth
|Orange Cloth
|Yellow Cloth
|Chartreuse Cloth
|Green Cloth
|Spring Green Cloth
|Cyan Cloth
|Capri Cloth
|Ultramarine Cloth
|Violet Cloth
|Purple Cloth
|Magenta Cloth
|Rose Cloth
|Block of Gold
|Rose
|Dandelion
|Red Mushroom
|Brown Mushroom
}}

=== Blocks ===
'''[[File:Block of Gold JE1.png|32px]] {{pximg|Block of Gold (inventory) JE1.png|32px}} [[Minecraft:Block of gold]]<ref name="blog"/><ref>[[#logs|IRC logs]]: "''P4:02:10 <Miclee> A white and yellow striped block?''" (21:02:10 UTC)</ref>'''

'''{{animate|White Cloth.png;Light Gray Cloth JE1.png;Dark Gray Cloth JE1.png;Red Cloth.png;Orange Cloth.png;Yellow Cloth.png;Chartreuse Cloth.png;Green Cloth.png;Spring Green Cloth.png;Cyan Cloth.png;Capri Cloth.png;Ultramarine Cloth.png;Violet Cloth.png;Purple Cloth.png;Magenta Cloth.png;Rose Cloth.png|32px|class=pixel-image}} {{animate|White Cloth (inventory) JE1.png;Light Gray Cloth (inventory) JE1.png;Dark Gray Cloth (inventory) JE1.png;Red Cloth (inventory) JE1.png;Orange Cloth (inventory) JE1.png;Yellow Cloth (inventory) JE1.png;Chartreuse Cloth (inventory) JE1.png;Green Cloth (inventory) JE1.png;Spring Green Cloth (inventory) JE1.png;Cyan Cloth (inventory) JE1.png;Capri Cloth (inventory) JE1.png;Ultramarine Cloth (inventory) JE1.png;Violet Cloth (inventory) JE1.png;Purple Cloth (inventory) JE1.png;Magenta Cloth (inventory) JE1.png;Rose Cloth (inventory) JE1.png|32px|class=pixel-image}} [[Minecraft:Cloth]] <ref name="blog"/><ref>[[#logs|IRC logs]]: "''P3:56:14 <liq3> COLORED BLOCKS''" [...] "''P3:59:45 <Miclee> THERE ARE COLORED ROCKS?''" [...] "''P4:03:43 <mezo> the cloth blocks are an awesome addition''" (20:55 to 20:59 UTC)</ref>'''
* There are 16 different colors.

'''[[File:Dandelion JE1.png|32px]] {{pximg|Dandelion (inventory) JE1.png|32px}} [[Minecraft:Dandelion]]<ref name="blog"/><ref name="flowers">[[#logs|IRC logs]]: "''P3:54:30 <ZomBuster> FLOWERS :D''", "''P3:54:34 <ZomBuster> pretty flowers''" [...] "''P3:58:53 <C418> wow, there are flowers! :D''" [...] "''P3:59:07 <ez> oooooh flowers ''" (20:54 to 20:59 UTC)</ref>'''
* Decay when in darkness.<ref name="decay">[[#logs|IRC logs]]: "''P4:27:17 <vdgmprgrmr> Why do the shrooms die in the darkness?''" (21:27:17 UTC)</ref>
* Referred to internally as "flowerYellow".

'''[[File:Rose JE1.png|32px]] {{pximg|Rose (inventory) JE1.png|32px}} [[Minecraft:Rose]]<ref name="blog"/><ref name="flowers"/>'''
* Decay when in darkness.<ref name="decay"/>
* Referred to internally as "flowerRed".

'''[[File:Brown Mushroom JE1.png|32px]] {{pximg|Brown Mushroom (inventory) JE1.png|32px}} [[Minecraft:Brown mushroom]]<ref name="blog"/><ref name="mushrooms"/>'''
* Decay when in darkness.<ref name="decay"/>

'''[[File:Red Mushroom JE1.png|32px]] {{pximg|Red Mushroom (inventory) JE1.png|32px}} [[Minecraft:Red mushroom]]<ref name="blog"/><ref name="mushrooms">[[#logs|IRC logs]]: "''P4:01:02 <C418> mushrooms!''" (21:01:02 UTC)</ref>'''
* Decay when in darkness.<ref name="decay"/>

=== Gameplay ===
'''[[Minecraft:Inventory]]'''
* Accessed by pressing {{key|B}} and lists all available [[Minecraft:block]]s.<ref name="blog"/><ref>[[#logs|IRC logs]]: "''P3:55:09 <ZomBuster> but lol where did all the other blocks gone too''" [...] "''P3:55:23 <Notch> press B''" [...] "''P3:55:53 <AnnihilatorBeta> SO MANY BLOCKS''" (20:55 UTC)</ref>
** All available blocks previously used to be on the hotbar.<ref>[[#logs|IRC logs]]: "''P4:01:23 <Miclee> Where did sponge and glass go?''" [...] "''P4:01:35 <liq3> Miclee: Press B.''" [...] "''P4:04:19 <Rydia> i can only see 9 of the blocks''" [...] "''P4:04:25 <Miclee> Hit B''" (21:01 to 21:04 UTC)</ref>

=== Command format ===
'''{{command|solid}}'''<ref name="blog"/><ref>[[#logs|IRC logs]]: "''P3:54:59 <liq3> ./solid''" [...] "''P4:05:44 <Miclee> New admin command: /solid''" (20:54 to 21:05 UTC)</ref>
* Toggles between placing stone and placing bedrock.

== Changes ==
=== Blocks ===
'''[[Minecraft:Bedrock]]'''
* Players can no longer destroy bedrock, although admins can.<ref name="blog"/><ref>[[#logs|IRC logs]]: "''P3:56:52 <Notch> admins can place unbreakable blocks now''" [...] "''P3:56:57 <Notch> players shouldn't be able to break them''", "''P3:57:00 <Notch> admins can''" (20:56 to 20:57 UTC)</ref>

'''[[Minecraft:Cobblestone]]'''
* Is now available again through the new inventory.

'''[[Minecraft:Sand]]'''
* Is now available again through the new inventory.

=== Gameplay ===
'''[[Minecraft:Controls]]'''
* The scroll wheel for block selection was inverted.<ref>[[#logs|IRC logs]]: "''P4:02:29 <mezo> notch, you inverted the mousewheel''" [...] "''P4:02:43 <AnnihilatorBeta> mousewheel seems inverted''" (21:02 UTC)</ref>

=== General ===
'''[[Minecraft:Skin]]s'''
* Made the player and human skin darker.

== Technical ==
=== General ===
* Removed the FPS limiter because it would cause the computer's clock to speed up.<ref>[[#logs|IRC logs]]: ""''P3:28:19 <Notch> the fps limiting did not work at all, so I'm taking it out. it caused a whole bunch of bugs with timing''" [...] "''P3:28:42 <LKA> Notch: I'm guessing the FPS limiting thing was why some of us have been seeing the game going somewhere around 1.5x to 2x faster than it should?''" [...] "''P3:31:26 <Notch> yes, LKA, I thin kso too''", "''P3:31:32 <Notch> so I'm taking it out for 0.0.20''" (20:28 to 20:31 UTC)</ref>

== Fixes ==
'''2 bugs fixed'''
* Human mobs no longer have glitched skins.
* Water texture no longer overlaps, causing z-fighting.{{verify|edition=java|type=untestable}}

== Bugs ==
'''3 bugs reported'''
* Players can no longer connect to some servers.<ref>[[#logs|IRC logs]]: "''P4:00:09 <Testvan> i cant connect to my own server anymore for unknown reasons''" [...] "''P4:02:06 <Cameron> lost connection suddenly. java.io.IOException: An established connection was aborted by the software in your host machine. The update broke my server, yes I installed latest server too. D:''" (21:00 to 21:02 UTC)</ref>
* Players can no longer break bedrock in singleplayer.<ref>[[#logs|IRC logs]]: "''P4:02:27 <C418> in single player, you can't delete those blocks [...] the black ones''" [...] "''P4:04:00 <Crusty> Admin blocks can't be deleted in single player, lol''" [...] "''P4:05:34 <greenslimy> Bug(or not): you cannot delete the blackrock''" (21:02 to 21:05 UTC)</ref>
* Performance has reduced.

== References ==
* {{anchor|logs}}[https://archive.org/download/Minecraft_IRC_Logs_2009/DBN-IRC-Logs/ IRC logs] on Archive.org; #minecraft.20090620.log. June 20, 2009 (UTC−5).
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|Classic}}

[[Category:Java Edition Classic Multiplayer Test versions]]

[[Minecraft:de:Classic 0.0.20a]]
[[Minecraft:es:Java Edition Classic 0.0.20a]]
[[Minecraft:fr:Édition Java Classique 0.0.20a]]
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Minecraft:Java Edition Classic 0.0.20a - Revision history

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