Hi Erik,
it`s happening to all scenes since the upgrade KS11
I had noticed it on KS10 too, but only on a very few scenes and than they were rather complex
System Microsoft Windows 10 Pro for Workstations
Version 10.0.19044 Build 19044
Manufacturer HP
System model HP Z8 G4 Workstation
Systemtyp x64-basedPC
System-SKU Z3Z16AV
Processor Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz, 2295 MHz, 18 Kern(e), 36 logic Processor
BIOS-Version/-Date HP P60 v02.18, 01.04.2019
SMBIOS-Version 3.2