Via [url=https://steamcommunity.com/games/CSGO/announcements/detail/4397285236932881680]the Steam Community[/url]:

[quote=Valve][b][u]MAPS[/u][/b]
[b]Ancient[/b]
- Fixed clipping on crates at bombsite A to allow players to jump on top again.

[b]Vertigo[/b]
- Fixed clipping on ends of bombsite A catwalk to prevent players from walking off.

[b][u]MISC[/u][/b]
- Fixed occasional first-person camera jolt when throwing grenades.[/quote]

Rumor has it:

- Size is close to 650 MB (with Workshop Tools installed) - data capped users should be aware