You can find the WireGuard Diagnostics at Diagnostics → WireGuard.
Here you can see information about your WireGuard setup.
To change the WireGuard setup please go to VPN → WireGuard and refer to the documentation at WireGuard.
All WireGuards configured in the VT AIR are listed here.
Name shows the configured name of the selected WireGuard. Listening Port is the port on which connections are received. Public Key is a shortened string of the public key. State shows the current state of the service.
The next table shows all to the peers.
The first column shows a symbol, whether the peer is Connected or Not Connected. IPs are all allowed IPs by the peer. Transfer shows how much data was received and sent by this peer. Keep Alive Time shows in seconds how long the connection is kept alive. Public Key is a shortened string of the public key.