These Patchnotes were written by Chromatic Games and the Original Twitterpost can be found here. 2.1.0.31155
A Backup is Available on the Wayback Machine here 2.1.0.31155
This Game Version can be downloaded with a Steam Depot Downloader and the following Information from SteamDB
Chromatic Games
@Chromatic_Games
🚨 We have just pushed out a small update for the Session Browser 🚨
The browser will now no longer display incompatible sessions due to out-of-date clients.