I can confirm. ALL SV are lost, only when switching to Prime Flow does it work.
Now, this is crucial. Is there any chance of a roll back? I've just bought a bunch of SYNCHRON-ized instruments and I'm in desperate need of getting a fix for this.
Studio One Pro 6 (latest) on Windows 11.
Edit: Rolling back to 1.3.1577 worked, Sound Variations back!