[yawnbox]

all my wireguard tunnels could not connect upon upgrade. disabling the macos firewall allowed me to use my tunnels again, fyi.

[evulhotdog]

I read somewhere about old ESET rules being in the macOS firewall blocked various udp traffic. Quick Google might get you more information.

[bomewish]

Tailscale affected?

[vigormortis]

It is for me. I've had to disable it on my mbp and ios devices; otherwise DNS lookups choke.

[cassianoleal]

Not for me.