Yup, there are hacky workarounds, but what I'm after is the industry standard of grab areas that extend beyond the visible borders of the windows (which became

Yup, there are hacky workarounds, but what I'm after is the industry standard of grab areas that extend beyond the visible borders of the windows (which became more popular as high DPI monitors became the norm - and then Apple recently took to excess). And this is something the XFCE team have expressly said that they will NOT do. And so I moved on to Mate.