Might be a bug ?

Might be a bug ?

Look what happen with «Hautbois» Staff when
switching from -Show bart rests (on) to -Show bart rests (off)

-ON


-OFF

It is like this in Write, Engrave and Print mode.

Seems similar to this:
https://www.steinberg.net/forums/viewtopic.php?f=246&t=131759