What Desktop? X11 or Wayland? It would help us help you if you provide examples of the issue and steps to replicate. What graphics card and driver? I'm on the same OS, do you have packman repo for ffmpegs? see screenshot I have no issues. see screenshot https://youtu.be/4tuzOn1PxLg?si=Z-z4DGrtaeCu1PdS Try downloading Firefox from Mozilla. Download, unzip, and run '''firefox-bin''' from the folder and see if you have the same issue. https://www.mozilla.org/en-US/firefox/all/#product-desktop-release Operating System: openSUSE Leap 15.6 KDE Plasma Version: 5.27.11 KDE Frameworks Version: 5.115.0 Qt Version: 5.15.12 Kernel Version: 6.4.0-150600.20-default (64-bit) Graphics Platform: X11 Processors: 16 × AMD Ryzen 7 PRO 6850HS with Radeon Graphics Memory: 62.1 GiB of RAM Graphics Processor: AMD Radeon Graphics Manufacturer: HP Product Name: HP EliteBook 865 16 inch G9 Notebook PC