browser extensions? you mean like Chrome ones etc? never heard of that being a thing
plasma integration and gnome-shell integration do, and those are open source so you can see for yourself.
It’s also very common for password manager extensions like 1password and bitwarden.
plasma integration and gnome-shell integration do, and those are open source so you can see for yourself.
It’s also very common for password manager extensions like 1password and bitwarden.