Via [url=https://steamcommunity.com/games/CSGO/announcements/detail/5484883079143170846]the Steam Community[/url]:

[quote=Valve]- Fixed a few minor sub-tick input bugs
- Fixed a bug with first person animation in bot takeover
- Fixed a bug where dropped/thrown weapons had too much velocity
- Fixed a case where players could push their view through low ceilings
- Fixed an exploit that would allow players to teleport
- de_overpass: Various tweaks and bug fixes
- de_anubis: Fixed potential pixel gap exploit at A-site and plugged hole near t-spawn where bomb could be thrown out of world[/quote]

Rumor has it:

- Size is close to 600 MB (with Workshop Tools installed)