Tonight, a cs go update of April 26, 2019 was released (according to VALVE time update from 25-04-2019). The update made some map changes: added Workout and Ruby, and removed Biome and Abbey. Vertigo has also been reworked, and some other maps. Details below.

CARDS

• The map Workout now available in competitive mode, as part of a group of hostages; 
• The map Ruby now available in the Sigma clearance group;
• Abbey and Biome maps are no longer available in competitive mode;
• Updated radar maps for Assault, Cobblestone, Italy, Militia, Office, Vertigo.

cobblestone

• Added a navigation lock for playing in the "Partners" mode.

Inferno

• Added navigation lock for playing in the "Partners" mode (For Bots);
• Fixed a bug due to which the effects of the particles of the fountain sometimes did not show animation;
• The gate on the top of the banana has become brighter.

Overpass

• Added navigation lock for playing in the "Partners" mode (For Bots);
• Fixed a place inside the connector where C4 could get stuck;
• Balloons no longer block grenades and player movement.

Train

• Added navigation lock for playing in the "Partners" mode (For Bots);
• Ground surface material changed to brighter one;
• Updated wagon models with improved collision model with objects such as players, grenades and weapons;
• Added a white background near the exit from the attack side to the main.

Vertigo

• Added navigation lock for playing in the "Partners" mode (For Bots);
• Removed an area in the elevator shaft where the player could dodge the death trigger.
• Fixed a bug due to which Molotovs did not work on the tops of pipes near the scaffolding on "Ramp A";
• Fixed several places with poor visibility of objects;
• Added a beam with building markings for new grenade spreads;
• Simplified collisions of grenades with walls and boxes on the site (which site we are talking about, the valve did not specify);
• Reduced the size of zones for the installation of C4 on both sites;
• Both sites were made a little compressed;
• Reduced the volume of some ambient sounds;
• Reworked "T-spawn";
• Removed the ceiling in the center of the elevator room on the "A-site";
• In the elevator room, the pallets near the mid were removed;
• The exit corridor from the elevator room at A-Plant was lengthened;
• The exit from the attack side to mid was made a little tighter;
• Changed the shape of the sandbags in mid;
• The catwalk near the B-Plant stairs was made one section longer;
• Removed the closest beam to the stairs near "B";
• Updated elevator model;
• Blocked viewing of the catwalk on the B-plant from the side of the CT-spawn.

BOTS

• Enabled navigation blocking objects for correct movement of bots when playing in the "Partners" mode;
• Fixed a bug due to which bots sometimes did not lose movement speed when falling from stairs;
• Fixed a bug due to which bots could not plant C4 on the "A-plant" of the Overpass map;
• Bots now know more places to install C4.

Other details

• Do you remember that the card Workout played in Operation Vanguard;
• There is a line in the update language files: quest_bonus_de_ruby: when the map is Ruby, which translates as "Mission bonus if the card is Ruby". What this says can only be guessed at.;
• Update size ~293 MB;
• cs go game client version 1.36.8.9.