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Java Edition Alpha v1.2.3

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Minecraft Alpha v1.2.3
Alpha v1.2.3.png
Alpha v1.2.3 in-game.png

Java Edition

Server version


Release date

November 23, 2010

Download Client (.json)
Protocol version


Other instances
of 1.2.3

Alpha v1.2.3 is a version of Alpha released with server 0.2.5 on November 23, 2010.[citation needed]


  • The player's current coordinates are now shown in the debug screen.
  • Leaves now decay again.
  • Added visible hurting animations for players and mobs in multiplayer.
  • Added the ability to attack entities (mobs, boats, minecarts, and players) in multiplayer.


  • Fixed a crash related to lighting.[citation needed]
  • Players in boats and minecarts now receive terrain updates.