Counter-Strike: Global Offensive Update Released 12/11/2014

[MAPS] – Train
— Sadly fixed a hilarious bug where players could ride pigeons
— Fixed some spots where a dropped bomb could get stuck
— Fixed player collision on Bombsite A white boxes
— Fixed one-way wallbang through shack near connector

[UI] – Updated M4A1-S description
– Fixed extra large image of de_train in the lobby
– Minor fixes to gifting UI

[MISC] – CZ75A now uses an alternate draw animation when no mags are available.
– Updating Ho Ho Ho sticker art.
– Improved memory usage on OSX and Linux.
– Blood on player models is now server-authoritative, disable with sv_server_verify_blood_on_player 0