I don’t know what this has to do with it, but for some reason in Firefox, if turn off IPv6 (i.e. switch to IPv4) forcibly through about:config menu , WebGL does not start on the local PC by Build and Run command for some reason. tested in Unity 6.0.5 and Unity 2022.3.32.
sounds odd. .cant say Ive shared that one… i dont have ip6 here … dont need it