Virtual Desktop solved it for me (tested with Quest 2 + 3 using a Razer
Blade 14 with RTX 3070 and a Wifi-6 modem/router). Though of course I
wish Meta would just make Meta Air Link work out of the box like it used
to.
As much as I agree that Air Link should just work correctly again as
clearly is possible, the quickest fix is just getting Virtual Desktop.
It also gives an easier interface to use PCVR and lots of configuration
options, which I personally haven't fe...
Found out that enabling the following checkbox in the Photon project
solved the issue as mentioned above: Now I was finally able to connect
to the server, get transferred to the Lobby and have the ability to
enter the different rooms.