Via the Steam store:
Valve- The Invasion Community Update has arrived!
- Check out the blog post for more information
- Fixed a problem with the Steam Overlay for Mac clients
- Fixed a regression with weapon hit sounds
- Hit sounds no longer clip each other
- Min and max pitch values reverted to what they were prior to the October 1st update
- Note: the Advanced Options default slider position is 100, which is normal (0) pitch
- Fixed an issue with the Festive Revolver not drawing correctly
- Fixed an exploit in Mann vs. Machine related to infinite credits
- Fixed an exploit related to The Dalokohs Bar
- Throwables (Jarate, Mad Milk, Flying Guillotine) will now pass through friendly targets at close range. This is the same behavior as rockets and grenades.
- The Powerhouse and Concealed Killer Weapons Cases have been added to the weekly drop list for Gun Mettle Campaign Coin owners
Rumor has it:
- Steel & Iron of Facepunch posted the new particle effects
- Item schema update: https://github.com/SteamDatabase/SteamTracking/commit/3228f56223e6d97d049aebfe1779b14ac9b3736f.diff
- Members of STS: associated strings have been published on the Steam Translation Server and are now available for translation into other supported languages
- Are you quite good at a non-English language and want to help out with translating? Head to http://translation.steampowered.com to sign up
- VPK contents diff and script changes (bring your own differ, or append .diff to force a diff of things GitHub won't display): https://github.com/SteamDatabase/GameTracking/commit/627368d30cc05504c715a78da06a445174cc13ce
- Miscellaneous deep level stuff: https://github.com/SteamDatabase/GameTracking/commit/989ac74913926133f1f53690748bf4d49c2500fe
- Size is ~225 MB