Java Edition 1.6.4

1.6.4 is a minor update to Minecraft released on September 19, 2013, which fixed a bug where structures would not save with the world file.

General

 * server.properties
 * Added server.properties option.
 * Kicks players from a server when they are idle for a set amount of minutes
 * Defaults to disabled (0).

Fixes

 * Other fixes
 * Fixed handshake exploit.