Via [url=https://blog.counter-strike.net/index.php/2019/08/25072/]the CS:GO blog[/url]:

[quote=Valve][MISC]
– Fixed a bug where picking up weapons would sometimes fail when they were occluded by other weapons or grenades.
– Reduced friendly fire damage from Zeus-x27 in Danger Zone matches.
– fov_cs_debug will now respect floating point values.

[MAPS]
– Updated Seaside and Breach with the latest versions from CS:GO Steam Workshop.

Breach:
– Improved clipping
– Fixed hole in bushes at mid
– Removed window on top of ladder
– Removed a bunch of pixelwalks

Seaside:
– Re-added trigger_bomb_reset to water zone
– Fixed boost spots in T-spawn and outside B Deck.
– Fixed some pixel spots on T-Side Bridge and behind Bombsite A.
– Blocked various boost exploits.
– Blocked various bomb stuck locations.
– Fixed buggy door graphics.
– Fixed misc graphical issues.[/quote]

Rumor has it:

- Beyond map updates, the only other things is [url=https://github.com/SteamDatabase/GameTracking-CSGO/commit/bf74f72f5378c049045abb94538479f29748ce5e]localization fire updates[/url] which are made possible in part by contributions from [url=https://translation.steampowered.com/]Translators Like You - Thank You[/url]

- Size is ~45 MB