HEVC video fails to play on Linux desktop

Summary

Attempting to play embedded HEVC .mp4s in the Linux desktop app results in audio only playback (black screen) The videos work properly in the web app (Firefox) and other programs which support HEVC. Some sample videos can be found here if needed: https://repo.jellyfin.org/test-videos/

Steps to reproduce

1. Upload or embed HEVC video
2. Try to play it
3. It doesn't display

Environment (optional)

Fluxer stable 0.0.8 from website Arch Linux NVIDIA open kernel drivers Wayland