I haven't been able to find other actual bugs/issues describing this issue, but there are threads on reddit and such that seem to indicate that this is a wayland/gnome42 issue, and that it affects all distributions.
https://www.reddit.com/r/gnome/comments/ugpe12/firefox_on_gnome_42_cant_open_new_windows_after/ https://www.reddit.com/r/archlinux/comments/ugp9af/firefox_on_gnome_42_wayland_cant_create_new/
I haven't been able to find other actual bugs/issues describing this issue, but there are threads on reddit and such that seem to indicate that this is a wayland/gnome42 issue, and that it affects all distributions.
https:/ /www.reddit. com/r/gnome/ comments/ ugpe12/ firefox_ on_gnome_ 42_cant_ open_new_ windows_ after/ /www.reddit. com/r/archlinux /comments/ ugp9af/ firefox_ on_gnome_ 42_wayland_ cant_create_ new/
https:/