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Description of problem:
SDL2's Wayland support is incomplete on GNOME without libdecor, because it needs a decoration implementation. Since GNOME doesn't support the xdg-docoration Wayland protocol, SDL2 needs libdecor to use as a fallback.

Bug 1992239 is about adding libdecor to RHEL 9, once that's resolved, then this commit from Fedora needs to be backported: https://src.fedoraproject.org/rpms/SDL2/c/6a336bdad4c3ddd76d7cdbdc86ef8091c24b6c00

Version-Release number of selected component (if applicable):
2.0.16-4.el9

I've proposed an MR to re-enable libdecor support as part of the SDL2-2.0.18 rebase MR: https://gitlab.com/redhat/centos-stream/rpms/SDL2/-/merge_requests/6

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (new packages: SDL2), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:2547