GZdoom fails to start: "Couldn't find matching GLX visual"

[xordspar0]

Describe the problem

GZdoom from the zdoom runner fails to start.

Is it reproducible with native Lutris?
No.

Steps to reproduce

1. Install the Doom shareware version: https://lutris.net/games/doom-1993/
2. Go through the installation process, installing the zdoom runner.
3. When installation is complete, click "Launch".

Expected behavior
The game should start normally.

Actual behavior
A window pops up that says:

Failed to create OpenGL window: Couldn't find matching GLX visual

Flatpak info
flatpak --version

Flatpak 1.15.4

flatpak --gl-drivers

default
host

[strycore]

The next release will support the GZdoom Flatpak which will solve this issue.