Yes I still use Muddlers. floating line and pulled through the surface when the trout are chasing sedges.
Also ginked up with a couple of buzzers on droppers, washing line method.
Lots of old patterns whilst out of fashion with fisherman, still attract the trout.
The diawl bach, how popular has that become, after along time out of favour, but has made a dramatic return to the fore I think is testoment to that.