- Fixed Coup de Grace effects not behaving properly in FoW
- Fixed Slark losing his existing attack target when casting Shadow Dance
- Fixed False Promise, when cast on an ally, causing the ally to lose their existing attack target
- Fixed a case where control groups were not remembered correctly with Meepo
- Fixed Armlet ticking down when Lifestealer is Infested
- Fixed bug with low-pri abandonment penalty escalation / de-escalation, causing the penalty to jump from 6 to 16 immediately for many players instead of gradually increasing. All players with a penalty greater than 6 have been reset to 6.

- Effigies now support styles
- Fixed Mac/Linux frequent menu crash and fog of war visibility problems (this fix requires the Nov 21st Steam client update)
- Fixed bug causing matches that are discarded due to poor network conditions to show up in match history, both in client and in WebAPIs that power 3rd party sites. (The matches were not scored, this is bug with the match history query only.)
- Fixed a rare bug that could cause you to teleport outside of the map
- Fixed a bug with swapping when a contract was involved
- Fixed Glyph tooltip being too large sometimes
- Adjusted sensitivity of poor network conditions detection
- Fixed crashing upon reconnecting. Cleared low priority games remaining for all players who received a penalty in the past 48 hours due to abandoning.
- Fixed various minor bugs

An update has been released for Left 4 Dead 2.

- Fixed low volume with some speaker configurations.