Java Edition Classic 0.0.15a (Multiplayer Test 1)

0.0.15a

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            "field": "''(link to Java Edition article, displayed as Java Edition)''",
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            "field": "May 31, 2009",
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            "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
        },
        {
            "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_5 Java SE 5]</span>",
            "label": "<span normal;\">Minimum Java version</span>"
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            "field": "minecraft.net/mptest/",
            "label": "(link to Applet#Hosting article, displayed as Applet page)"
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0.0.15a (Multiplayer Test 1) is a version of Java Edition Classic released on May 31, 2009,^[1] at 19:04 UTC, which made changes to lava, textures, and trees.^[2][3] It is the inaugural Multiplayer Test version and is thus the first ever version of Minecraft with multiplayer compatibility. It was released onto a separate applet page than the preceding versions; this meant that players could return to 0.0.14a_08 if the Multiplayer Test version was broken.

Multiplayer

• In early access.
• The default server port is 5565, the same one used for Infiniminer servers.
• Other players are rendered with the mob model.^[4]

Gravel

• Texture changed from .
• Now only generates underwater.

Lava

• Lighting changed from .^{[note 1]}
  • It now appears brighter overall.
• Now flows slower than before.
• Liquids directly under a block no longer cause an x-ray effect.

Leaves

• Texture changed from .

Wood

• Texture changed from .

Planks

• Texture changed from .

Sand

• Texture changed from .

Mobs

• Animation changed.
  • The head and arms no longer flail around as much.^{[note 1]}

Trees

• Shape changed from .

• An unused white texture and three duplicated grass block textures have been removed from terrain.png.

2 bugs reported

• The player can place blocks inside other players in multiplayer.
• Underwater fog, which is now applied to the sky, cuts off at the distance fog end.

• 
  Notch's original test server from May 31, 2009
• 
  Player head bug
• 
  The Minecraft webpage with this version
• 
  Ditto
• 
  Ditto
• 
  A sign made of wood planks

• 
  Terrain in this version
• 
  Ditto
• 
  A screenshot of another player in multiplayer mode building a wooden structure
• 
  A game of spleef being played on a server
• 
  A game of water spleef being played on a server
• 
  A server that has been flooded due to the lack of anti-cheat present in Minecraft at the time
• 
  Leaf walkways in the sky

• IRC logs: #minecraft.20090531.log (May 31, 2009, UTC−6)