Battle.net announces a new version 1.3.0 patch for StarCraft II is now available on the Public Test Realm for their real-time strategy sequel. Word is: "This patch contains notable improvements to the Join Custom Game interface, a preview of the new Grandmaster League, several balance adjustments, bug fixes, and more. By participating in the PTR, you'll be among the first to test out the latest changes and help us ensure that when the patch is released it's of the highest quality possible." On a related note, Big Download has extensive details on changes to the ladder map rotation, outlining the maps that have been added and removed.