Release Notes for 10/6/2016
6 OCT 2016 -

[Graffiti]
– Added ability to apply graffiti. http://www.counter-strike.net/graffiti/
– Added Community Graffiti Box 1 to offers.
– Added CS:GO Graffiti Box to offers.
– For a limited time every player will get a graffiti pattern when they launch the game.
– Added sealed graffiti to the list of possible weekly drops.
– Graffiti FAQ: https://support.steampowered.com/kb_article.php?ref=7737-UKVB-0657
[Misc]
– Improved reliability of smoke grenades popping to extinguish fire when bouncing smoke grenade on displacement surfaces.
– Fixed respawn waves not working outside of Guardian and Strike missions.
– Added steam protocol support for connect and playcast commands:
— steam://rungame/730/76561202255233023/
     +connect%20127.0.0.1:27015
— steam://rungame/730/76561202255233023/
     +playcast%20%22http://cdn.net/match/id%22
[Sound]
– Fixed bug where M4A1-S was audible at long range.
– Lowered volume of weapon sounds.
– Made minor volume mix adjustments.

Release Notes for 9/28/2016
28 SEP 2016 -

[GAMEPLAY]
– Replaced accuracy model for shots taken while in the air. See http://blog.counter-strike.net/index.php/air-time/ for details. (Thanks /u/SlothSquadron for RC feedback)
[SOUND]
– Increased fidelity and reduced distortion in fire sounds for Famas, Galil, Aug, SG553, M4A4, M4A1-S, unsilenced M4A1-S, and AK47.
– Added unique distant, draw, and reload sounds for Famas, Galil, Aug, SG553, M4A4, M4A1-S, and unsilenced M4A1-S.
[MISC]
– Added Series 2 Pins to available offers.
– Added Bestiary Sticker Capsule to available offers.
– Added Sugarface Sticker Capsule to available offers.
– Added new convar sv_jump_impulse which controls initial upward speed of jumps.
– Fixed watch streams tab to correctly show top twitch.tv CS:GO streams.