Created attachment 182281 [details] Activity Monitor Generate Sample of LibreOffice when Not Responding (with document open). Libreoffice both 7.4.0.3 and 7.3.5 both completely unusable on MacOS 10.14 due to immediately hanging (spinning beach ball and 'not responding', when ever you switch away from a window (e.g. a blank spreadsheet) by changes space, and then switch back to it. This is repeatable in Safe Mode with an entirely blank document. Attached is a sample of the process when it wasn't responding. It is worth nothing that I originally encountered this in Write, so I believe it's across libreoffice not just for the spreadsheet component. I'm going back to using version 7.1.8.1 which doesn't have this issue. My instinct is it's a window manager related problem but that might be wrong.
*** This bug has been marked as a duplicate of bug 150581 ***