Are you sure it does that? I've always used Firefox and Chrome on my Macs and I can't remember ever seeing anything like that. This include my Mojave beta machi

Are you sure it does that? I've always used Firefox and Chrome on my Macs and I can't remember ever seeing anything like that. This include my Mojave beta machine. TBF, I automate my installs so both Firefox and Chrome are installed from the command line via brew cask. Maybe that's why.