Two big releases this month, Fire Emblem: Awakening and Skulls of the Shogun.
Check out the Skulls of the Shogun launch trailer here. It's turned out to be a great tactics game with lots of fun arcade action, achievements, leaderboards, tons of multiplayer features, etc. SOTS is available for Windows 8/RT/Phone and Xbox Live Arcade. No Windows XP/7 release, unfortunately.
Project X Zone for 3DS was announced for NA release on Q3 2013.
New Battle Academy: Operation Husky expansion announced. You can sign up for the beta at Slitherine games.
Atlus has heavily hinted at an announcement of Devil Survivor 2: Overclocked for 3DS in an interview.
Super Robot Wars UX combat details, screenshots 1, screenshots 2.
Tales of the World: Tactics Union coming to android and iOS.
New Panzer Corps DLC, 44' west.
Lots of indie games mostly sourced from Rui Castro's Facebook tactics group.
WarMage Battlegrounds, another pretty good looking multiplayer browser tactics game.
Telepath Tactics is continuing its development. There's a free demo to check out.
Just Tactics blog. Keep updated on what the team is up to. One of the better PC indie tactics games out there currently.
Army Wars Tactics for iOS.
Call of Cthulhu: The Wasted Land for Windows and iOS.
Einherjar: The Viking's Blood, online browser game.
Ecol Tactics for Windows.
Castle Conqueror - Heroes 2 for 3DS online shop.
Blood, Grain and Steel for Windows.