Valve released an update for CS:GO

Valve added tactical shields, incendiary grenades and C4 as perks to Danger Zone. Some minor bugs were fixed on Train and Sirocco. Some tiny defects have also been eliminated.

Danger Zone

• Unlocked Ballistic Shield, Firebombs, and C4 as deployment perks

Misc

• Fixed SVG files to load with consistent dimensions in different resolutions
• Fixed a minor regression caused by molotov bouncing off sky surfaces
• Fixed several exploits

Maps

Train

• Fixed spot where players could get hung up on train near A main
• Fixed ladder on train closest to lower B entrance not being shift-walkable
• Fixed some minor gaps in train cars

Sirocco

• Added info_paradrop_denial entities to prevent paradrops from landing on top of the Kasbah towers
• Fixed wall in Kasbah where bump mines fell through
• Fixed hole in world at the bottom of the stepwell
• Covered up a missing texture with roof edge models in the Kasbah
• Added additional detail to some roof areas