Since the update, this has happened at least four times. The pattern I've identified is that you have to be in the hideout and open the Steam Overlay. I'm not sure of the exact moment it triggers, but once it freezes, the only way to recover is to restart the computer
PC config: Windows 11 26100 / RTX 4060 Ti / I5-13400F
PC config: Windows 11 26100 / RTX 4060 Ti / I5-13400F