Currently, xdg-desktop-portal-gtk has:
Supplements: (gtk3 and (flatpak or snapd))
This isn't correct. The portal implementation is needed for both GTK3 and GTK4 applications, and even applications installed as RPMs, not just Flatpaks, may use the portals.
FEDORA-2022-9095c8b25c has been submitted as an update to Fedora 36. https://bodhi.fedoraproject.org/updates/FEDORA-2022-9095c8b25c
(We'd like this to receive a freeze exception in order to fix screen sharing in Firefox.)
Discussed in ticket: https://pagure.io/fedora-qa/blocker-review/issue/739
The decision to classify this bug as an AcceptedFreezeException was made:
"This issue might negatively affect applications present and used in a live environment and so can't be fixed by a post-release update."
FEDORA-2022-9095c8b25c has been pushed to the Fedora 36 stable repository.
If problem still persists, please make note of it in this bug report.