Java Edition Alpha v1.2.3

Alpha v1.2.3 is a version of Alpha released with server 0.2.5 on November 23, 2010.
== Additions ==
* 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.
== Fixes ==
* Fixed a crash related to lighting.
* Players in boats and minecarts now receive terrain updates.
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zh:Java版Alpha v1.2.3