I've noticed the molting too, but of my older hens.
My newbies are still not laying. It's been 24 weeks, I can't hold out hope for them much longer. 24 weeks for a sex-link is pushing it. I wonder if the stress of the heat this summer has thrown all their internal clocks off? Mine are looking bright with shiny feathers and their combs are coming in nicely. Other than not laying, they are perfectly healthy.
eta: If I talk badly about them enough, it might provoke one to lay an egg just to be obstinate, lol.