For the last two sessions I have run, there seems to be connection issues. Players can sometimes see one another, sometimes cannot, in different variations. No one has ever been able to see everyone at the same time. Sometimes one player can see everyone else, but the others can't see each other, and sometimes people can see each other in groups of 2 or 3 but not everyone at once. None of the settings seem to improve the situation (refreshing, reconnecting, changing the Chat Tech etc). In the end, we had to revert to using Discord with our camera and mic's turned off in roll20.  I am running the game on Google Chrome on an iMac OSMojave v 10.14.6. Everyone else is playing on Chrome or Firefox. When I have played with the same group but as a player, in someone else's game, the site has worked fine.