Do Windows, MacOS and Linux each have their own React like rendering engines to render the GUI apps?<p>It seems each OS would need to have a rendering engine to render the GUI apps? Are these engines dataflow rendering engines like React?
Kind of. And there's many over the history of thos operating system as they evolved. Have a look at <a href="https://en.wikipedia.org/wiki/List_of_widget_toolkits#OS_dependent" rel="nofollow">https://en.wikipedia.org/wiki/List_of_widget_toolkits#OS_dep...</a>