Sorry to deviate from the topic at hand, but in what ways do you think WPF is a "dead-end"? I've been mucking about with it in preparation for my first desktop

Sorry to deviate from the topic at hand, but in what ways do you think WPF is a "dead-end"? I've been mucking about with it in preparation for my first desktop app in a few years. It seems to work well enough but maybe I'm not deep enough yet.