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How to fix interface issues that are marked on the image!
Bricscad Ultimate Version 19.2.05 (x64)
iMac Pro 1,1, macOS Mojave 10.14.4
I experienced similar on Mac and already filed a Support Request.
It would be nice if you could do the same with your file attached here : https://www.bricsys.com/en-intl/support/#14,
as it may be easier for the support to reproduce the issue.