Following the answer by @Mana, it appears to be a known bug, but relatively easily fixed by applying options to individual elements of the dynamic map, in this case dm.opts(hv.opts.Curve(framewise=True)). Thanks
Following the answer by @Mana, it appears to be a known bug, but relatively easily fixed by applying options to individual elements of the dynamic map, in this case dm.opts(hv.opts.Curve(framewise=True)). Thanks