Tonight's update for Counter-Strike: Global Offensive is a bit of a smaller one. Valve gave an upgrade to the SAS Counter-Terrorist player model, added a new C4 sound for those using HRTF, and a few other changes.

Changelog for CS:GO for December 13, 2016
VisualsSoundPublic LobbiesMaps

That's all she wrote for tonight's update. Happy gaming.