Greg Wooledge <g...@wooledge.org> wrote: > On Thu, Jun 20, 2024 at 22:56:33 +0530, Pranjal Singh wrote: > > It runs regular Firefox after adding the -private-window flag. > > > > To get a MWE, I made these changes later: > > - Exec=firefox -private-window %u > > - StartupWMClass=firefox > > +Exec=gnome-calculator > > Did you see Gareth's reply at > <https://lists.debian.org/debian-user/2024/06/msg00432.html>? > > It's supposed to be --private-window with two leading hyphens, not > one, he said.
He was wrong according to Mozilla's documentation.