KDE Plasma 5.20
>when you open several windows with the same application (like when you open several LibreOffice documents), the Task Manager will group them together.<p>This is exactly the opposite of what I want.  Why don't the designers of 21st-century desktop environments understand that my 3 PDF files have nothing to do with one another?  The same goes for my terminals, my text buffers, my web pages....<p>Why group things that are involved in unrelated tasks?