Ok thanks, looks like AMD have some work to do to fix their amgpu driver. Hopefully it will improve in the next few weeks with new release candidates - please continue testing and feeding back!
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.
