Minecraft wiki entry for 1.3, associated text: Launcher 1.3.1
Launcher 1.3.2
Launcher 1.3.3
Launcher 1.3.4
Launcher 1.3.5
Launcher 1.3.6
Launcher 1.3.7
Launcher 1.3.8
Launcher 1.3.9
Launcher 1.3.10
Launcher 1.3.11