[zamalek]

> That's why DeskGap uses EdgeHTML on Windows

Strangely, that would likely make it most conformant on Windows. I can't imagine that KHTML is up to date in terms of specifications (but I could easily be completely wrong about that) and Apple/Safari is taking tips from Microsoft during their IE days.

It would seem that the platform differences would be quite large, but at least the JS engine would be consistent.