Ubuntu Xibo-player does not show MP4's

Player Version

Issue occurs in 1.8-R6 and R1.8-R7
Code versions 108 and 239

Xibo Version

2.3.6

Ubuntu Version

Ubuntu 22.04.3 LTS, 64 bit, gnome version 42.9, Windowing System Wayland
All graphics codecs are installed
VLC is installed

Hardware

Intel NUC, Core I3-4010U CPU 1,7 GHz x4
Graphics Mesa Intel HD Graphics 4400 (HSW GT2)
Monitor Dell U2412M

Issue

MP4 files will not play. Images will play.
The layout with the MP4 shows as a black screen.

MP4 properties: 1920x1080, codec H.264 (High Profile), frame rate 30 frames per second, bit rate 2554 kbps, size 22,7 MB
MP4 will play in VLC, not in Xibo Player
MP4 does play in Windows Xibo Player

I looked at issue

But that did not solve the problem.

Please help, what is the issue here? How can I fix it?