Please don’t tag people unless you think they would be interested in your specific issue. (Participants in this thread already receive notifications). The forum exists to help with general support to begin with.
I also upgraded to 7.0.7 and received the same Denied notification. However, it didn’t affect my browsing at all. Ignore the /dev/ r denial for now.
That sounds like the symptom of the original post. Are you sure you applied the patch properly?
Our torbrowser profile needs a full review. Reference: Tails is using torbrowser-launcher’s profile and applying Tails’ patches to it. Both are more actively maintained than ours. It’s also time to revisit apparmor socket controls: Why is Tor Browser allowed to connect to /var/run/anon-ws-disable-stacked-tor/127.0.0.1_9150.sock by the current AppArmor profile?