AFAIK that's still correct. The dinosaurs from which birds are descended are thought to have feathers or something similar, in some case or at some stages of l

AFAIK that's still correct. The dinosaurs from which birds are descended are thought to have feathers or something similar, in some case or at some stages of life. But that's a really long way from being the default or even a sizeable enough majority that one could say "the dinosaurs had feathers" as a generalization and do so with a straight face.