Thank you for the additional information. I’m in between testing installs so I will install it at my end as firewall only when I get a minute.
High CPU is no 40 on the 2021 Current Bugs list: https://forums.comodo.com/t/list-of-current-bugs/320077 but they are checking and working through these as they release the Betas. High CPU hasn’t so far been mentioned in the Beta Release topics.