For players who have recently logged on to StarCraft II, you may have noticed something different. Yes, Patch 1.5.0 is now live and out of beta, bringing with it a host of interface and editor improvements that is surely a herald of Heart of the Swarm.
Aside from the extremely long patch notes, Blizzard has posted an extensive guide to the Patch 1.5.0 Arcade, explaining the various features of the Arcade as well as the inclusion of the cutscene editor, AI module, and UI module to the editor.


So what are you waiting for? Hop on to StarCraft II and check out all the new features!
Source:
Battle.net - Patch 1.5.0 Now Live
Battle.net - Your Guide to Patch 1.5.0 Arcade