Since several days, my colleague is encountering strange bugs in Cubase 10.5.20 / Win10, mainly with Nexus 3, but he said that sometimes UVI Workstation was also affected.
We opened a ticket at reFX but so far no solution
First thing is, that with UI Hardware Acceleration on and two instances of Nexus 3 GUI open, the song position indicator in Cubase freezes the moment it hits any note from opened/active N3 and remain frozen up till the last sound from N3 quiets out. It almost hangs the Cubase, because we can't stop the playback while the sound is still coming from Nexus.
But this is not happening with only one N3 open at a time.
Second problem with h/w acceleration on - the N3 GUI is often just a blank white rectangle. When poiniting inside with the mouse, sometimes only some numerical parameters are showing.
When we disabled UI Hardware Acceleration in N3, this particular problem goes away, but another one appears - in some projects when we open any dialog box pop-up (like reset library filters) it doesn't close at all, even after closing N3 GUI. These pop-up boxes disappear only after closing Cubase. And at the same time N3 doesn't "see" the included libraries, the library screen is empty.
The problem occurs mainly, when Nexus siths in a project folder with many other tracks. Like ~80 tracks in a folder, VSTi and MIDI, different plugins.
Rarely, when all instances of N3 are in own folder or even not grouped at all (top level tracks).
We tried to switch graphic cards between intel iGPU and RX550, changing gfx drivers and so on, no luck.
Maybe it's a problem with Cubase, but it was working ok like a week ago. Maybe it's some bug introduced by last Windows' updates, with some of the system libraries, I don't know.
I'll appreciate any help
