Created attachment 121916 [details] K3b's and dvd+rw-mediainfo's screenshot SUMMARY New BD-R XL (Quad Layer) discs are not determined properly. Capacity is ok, but layers not. I'm not sure if I can burn them. Too expensive to test, but soon I'll do the test, I think. STEPS TO REPRODUCE 1. Insert BD-R XL QL disc in drive. 2. View medium info. OBSERVED RESULT Layers: 1 EXPECTED RESULT Layers: 4 SOFTWARE/OS VERSIONS Linux/KDE Plasma: openSUSE Leap 15.1, kernel 4.12.14-lp151.28.10-default x86_64 (available in About System) KDE Plasma Version: 5.12.8 KDE Frameworks Version: 5.55.0 Qt Version: 5.9.7 ADDITIONAL INFORMATION Drive is fresh firmware updated via Windows to the last firmware to support QLs.