-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Leap 15.3, XFCE, Thunderbird 91.6.1 Sometimes, when changing workspaces, or clicking to open the about box (and not only that box), the window is filled in black. I have to wait some seconds, or sometimes click inside the window. Telcontar:~ # inxi --graphics Graphics: Device-1: Advanced Micro Devices [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] driver: amdgpu v: kernel Display: server: X.Org 1.20.3 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Radeon RX 580 Series (POLARIS10 DRM 3.39.0 5.3.18-150300.59.49-default LLVM 11.0.1) v: 4.6 Mesa 20.2.4 Telcontar:~ # - -- Cheers Carlos E. R. (from 15.3 x86_64 at Telcontar) -----BEGIN PGP SIGNATURE----- iHoEARECADoWIQQZEb51mJKK1KpcU/W1MxgcbY1H1QUCYiHuIhwccm9iaW4ubGlz dGFzQHRlbGVmb25pY2EubmV0AAoJELUzGBxtjUfVqXoAn0Kgb+igjuk6WooklAqr +f5mHkkDAKCJXb1aeokWZrTQEqu+/K5Dr6i38A== =mzXN -----END PGP SIGNATURE-----