1. Does this make the apps show up as separate windows in Alt+Tab and a Dock etc? (FWIW I use GNOME + Dash to dock + Wayland)
2. Let's say you have a mail app and you click a link. Does that link open in the separate default browser?
I remember trying these command line options for Brave/Chrome, but I couldn't find a way where both of the above were working and thus they didn't feel like proper apps. I've only been using this for something like Apple Music, where I never click on any link that takes me outside. For everything else, like mail and notes, I've been using pinned tabs, but that feels suboptimal too.