Via [url=https://steamcommunity.com/games/CSGO/announcements/detail/4273439871240583435]the Steam Community[/url]:

[quote=Valve][b][u]MAPS[/u][/b]

[b]Office[/b]
- Fixed a case where a player could get stuck between a prop and the ceiling

[b]Nuke[/b]
- Fixed a pixel walk
- Fixed some C4 stuck spots

[b]Mirage[/b]
- Adjusted collision on van for smoother movement
- Fixed wall penetration issues around some arches
- Fixed a view jittering issue when jumping on a crate near palace
- Fixed some collision that allowed smoke grenades to go inside a wall
- Adjustments to grenade clipping
- Adjusted collision on some props
- Fixed some C4 stuck spots

[b]Inferno[/b]
- Fixed some C4 stuck spots
- Removed a boost spot in pit by A site

[b]Italy[/b]
- Perf improvements
- Clipping adjustments

[b]Vertigo[/b]
- Adjustments to grenade clipping

[b]Ancient[/b]
- Fixed a bad clip edge that players were getting stuck on at T spawn
- Fixed a pixel peak

[b]Anubis[/b]
- Adjustments to grenade clipping
- Fixed a C4 stuck spot
- Fixed some prop collision that could hide C4
- Fixed some lighting issues

[b]Overpass[/b]
- Fixed some minor visual bugs near canal
- Some clipping adjustments near park for smoother movement
- Added some missing handrail collision[/quote]

Rumor has it:

- [b]Size is close to 3 GB (with Workshop Tools installed) - data capped users should take action now![/b]