Tonight's update for Counter-Strike: Global Offensive includes a few very noteworthy changes to Cobblestone.

Changelog for CS:GO for February 4, 2015

MISC
- Reduced latency of voice audio.
- Community servers now can show viewer counts when players are streaming their match.
- Fixed regression in Deathmatch Bonus mission evaluation.
- Fixed a Deathmatch exploit where players could maliciously cause the server to run out of entities.
- Fixed buymenu's Accurate Range weapon stats being computed incorrectly.
- Fixed AWP viewmodel rendering when zoomed.
- Added flavor text to Arms Deal Case 1 and fixed typos in previous flavor text.
- Positional sounds spatialize to within 15 inches of the player and no longer "spread" to stereo when nearby.

MAPS
Major changes to Cobblestone

-Bombsite A:
--Made bombsite A courtyard smaller
--Removed spiral stairs at back of bombsite A
--Pushed forward side-balcony at bombsite A, making it easier to check corners before jumping down
--Added a static door to entrance to connector from bombsite A
--Shortened battlement in long A, making it easier to check
--Raised wall around bombsite A slightly, to give some cover when out in the open
--Added additional cover in bombsite A
--Removed balcony at CT side of long A
--Added an additional chest-height wall at A ramp
--Removed large boulders in A site

-Bombsite B:
--Made bombsite B courtyard smaller
--Rerouted T main entrance to bombsite B
--Made it easier to throw grenades into B site from a safe position as T
--Added some cover on T platform in bombsite B
--Moved bombsite B more to the middle of the courtyard
--Flattened ground at bombsite B
--Removed back of B area
--Hut at back of B can now be shot through
--Added a static door to entrance to bombsite B from connector

-Other:
--Removed stairs and overpass route from dropdown room
--Widened upper dropdown passage
--Added a ramp to dropdown to make it easier to peek into lower
--Players can now jump up via flowerbed in connector to get into dropdown room
--Removed walls in T tunnels
--Removed CT sniper room
--Added a static door to CT side of water room
--Tweaked layout of water room slightly
--Removed double window room near T spawn
--Moved T spawns forward a bit
--Added a direct ladder to T sniper tower
--Various optimizations
--Increased player visibility
--Fixed a bug where very few chickens were spawned