It works for me. I keep two instances of Firefox (Release and Nighly) on my work computer (Windows 10), Nightly on my phone (Android) and a couple computers at

It works for me. I keep two instances of Firefox (Release and Nighly) on my work computer (Windows 10), Nightly on my phone (Android) and a couple computers at home running Firefox ESR (Debian). No problem whatsoever, even with such an heterogenous setup. Do you have any particular need that you think steers from the normal and that Chrome does currently serve? Because for my use case, everything works perfectly.