Counter-Strike: Global Offensive was updated tonight. Let's just call this one the ESL One Cologne 2015 update, because that's pretty much what it is.

Changelog for CS:GO for August 14, 2015

ESL One Cologne 2015
• ESL One Cologne Player Autograph Capsules are now available for purchase, with 50% of the proceeds from capsule sales going to the players and organizations. Player Autograph Stickers can be used as game pieces in the Cologne 2015 Player Pick’Em Challenge.
• ESL One Cologne Team Stickers are now available for purchase, with 50% of the proceeds from sticker sales going to the organizations. Team Stickers can be used as game pieces in the Cologne 2015 Team Pick’Em Challenge.

UI
• Updated the Watch panel
— Added the Cologne 2015 Pick’Em Challenges and Matches.
— Your matches and tournament matches are now presented with an updated scoreboard and round performance panel

MISC
• [Linux] Fixed bug where bomb beeping was not playing on all channels.
• [Windows] Added a graphics driver hint to try to use the dedicated GPU when available on laptops.
• Minor volume and pitch adjustments to weapon equip and reload sounds
• Fixed a sound synchronization bug with some Falchion knife animations