I know this post is a little late and most of you have already seen this update for Counter-Strike Global Offensive. Anyway, if anybody want to check the changelog it is here. The update is about 500 MB.
Official site: Operation Vanguard.
Date released: 11/12/14 UTC
OPERATION VANGUARD
- Six community maps added to the Operation Vanguard map group, available for free to ALL CS:GO players.
- de_marquis, de_facade, de_season, de_bazaar, cs_workout, and cs_backalley
- The Operation Vanguard Pass is now available. With an operation pass, you’ll receive:
- A personal Operation Vanguard Journal
- Exclusive access to the new Operation Vanguard weapon case as a separate timed drop.
- TWO all-new Campaigns: Weapon Specialist and Vanguard. Choose your own path through a series of missions that span the globe, and receive extra weapons or Operation Vanguard weapon cases as a reward.
- Access to two optional campaigns: Maghreb and Eurasia.
- An Operation Vanguard Challenge Coin, which can be upgraded by completing branches of a campaign.
- Active Duty and Vanguard Scorecards, and Friends Leaderboards to track and compare your Competitive Matchmaking performance throughout the Operation.
- Operation runs until February 10th, 2015.
ARMS RACE
- Friendly Fire has been turned off.
- de_stmarc, de_lake and de_safehouse are now available in Arms Race mode.
- Fixed game reporting the wrong name of the player who got to knife level in Arms Race.
- Major update to Arms Race mode:
- Leaders (players with the highest weapon index) from each team now glow for a short time after attacking.
- The weapon progression list now picks a weapon randomly from 5 fixed weapon categories.
- The number of levels to reach Golden Knife have been reduced to 16.
- Two kills are needed to upgrade with each weapon (unless you get a knife kill or kill the enemy leader).
- Added some new sounds to AR mode.
- To see more of the Arms Race rules changes, see this guide:http://steamcommunity.com/sharedfiles/filedetails/?id=336510139
DEMOLITION
- de_shortdust added to Demolition mode
- Friendly Fire has been turned off.
DEATHMATCH
- Changed Deathmatch bonus weapon to support all guns.
GAMEPLAY
- When FF is off, bullets no longer penetrate teammates
UI
- Fixed grenades icons in weapon panel obeying the user’s HUD color setting.
- Fixed the freeze panel overlapping with the info panel.
- Fixed Mini-Scoreboard panel not properly hiding a few avatars slots on a full server in casual when you had the Mini-Scoreboard Style set to “Just Show Player Count”.
MISC
- Halloween has come to a grisly end (sv_holiday_mode set back to 0).
- Fixed rebuy not rebuying nades, defuse kit, or taser correctly.
- Volume of ambient and 1st person sounds have been slightly reduced in “headphones” setting.
- Death Camera music no longer plays while spectating.
- Fixed bug where 10 second countdown music(s) would play after round end when round end music volume was set to 0.
- Half-time / Game-end music no longer plays in overwatch mode.
- Addressed hitches that were caused by synchronous file i/o.
