- Fixed Banshee Sonar "power in use" issue
- Fixed Infested bosses disappearing after being damaged by Kestrel
- Added Mobile Defense missions to alerts
- Fixed Tower Exterminate keys sometimes resulting in Raid missions
- Fixed elevator direction being reversed in Dojo builder UI
- Fixed elevator textures in Dojo
- Fixed elemental effects not outlining Dual Cleavers properly
- Fixed Acrid darts not disappearing
- Updated Bo unequip sound
- Fixed Polearm not collapsing after performing a jumping melee attack
- Improved collision detection on Polearm attacks
- Fixed Polearm sometimes appearing blurry after attacking
- Fixed Sentinels missing muzzle flash when attacking
- Fixed Ignis and Flux Rifle showing a clip size of 1.$ in the arsenal
- Fixed incorrect tooltip description for Snow Globe
- Fixed sign-in reward UI showing 1 star when awarding coupon (consecutive sign-in count wasn’t actually affected)
- Fixed gameplay crashes
Taken from the official Warframe forums: https://forums.warframe.com/index.php?/topic/64338-hotfix-812/
Calendar
Subject: Hotfix 8.1.2 
Thu Jun 13, 2013 5:28 pm
