This is a link to LibreELEC 9/Kodi 18a1 test build #1215z, based on 4.14.6 kernel with the patch from post 1730: Generic
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.