I will have a look there. But: in the system below I do see the single bar rests. Also earlier in the flow I have the correct rests when one voice is pausing…
[Edit] I changed the Notation Options, but it did not solve my problem…:
I managed finally after some trial and error:
After I had unchecked the last appearance of the downstem- „Ends voice“ property, I could delete the „unregular“ rests and got beautifully looking single bar rests where I needed them: