Release Notes 2013-08-06

From the Release Notes:

Reduced the attack power of Caustic Quills.
Reaching an elevator with an emergency revive and with less than the total possible health offered by an emergency revive will now restore your health to that total.
Added difficulty mode selection when entering the Arcade outside the mission interface.
Added a game option to disable the hit flash and low health warning effects.
Reduced the drop rate for Sparks of Life.

Vengeful and Virulent Quills attack power has been fixed.
If you are disconnected the moment you fall in combat, your emergency revive will not kick in until you reconnect.
Fixed an issue preventing progress when advancing to the next level while waiting to rise after using a Spark of Life.
Fixed an issue where a dead party member could cause the elevator not to advance to the next floor.