An update was released tonight for Counter-Strike: Global Offensive. The update includes a few map adjustments, collision model updates, and more.

Changelog for CS:GO for June 9, 2016

MISCOSX/LinuxSPECTATINGMAPS
Cbble:
-Added stairs up to B site platform, giving CTs additional options for defending the site
-Updated trees with more accurate collision model
-Fixed rendering error on wall hole model used near bombsite A
-Fixed various bugs (Thanks csgobugtracker.com contributors!)
-Improved visibility from underpass to A site

Mirage:
-Fixed pixelwalk in CT spawn
-Fixed some small seethrough gaps in bombsite A
-Fixed small seethrough gap from Short to Mid
-Fixed grenadecollision on van in bombsite B
-Van now plays proper surface sounds when walking on it
-Stairs in palace and B apartments will now play correct surface sounds
-Fixed potential rendering error on wall hole model used in CT sniper position
-Fixed various bugs (Thanks csgobugtracker.com contributors!)

Cache:
-Minor bug fixes

Nuke:Collision model update:
-Added more accurate collision model for bombsite models used in Mirage, Inferno, Cache.
-Added more accurate collision model for barrels used in Overpass B site.