>there were 12 years between the Druhkari's 3rd edtion release and their 5th edition refresh
>its been 15 years since that 5th edition refresh
huh

though honestly looking at their 5th edition models I don't think the plastics really need a refresh, unless you really want them to be in-scale with modern 40k releases. The resin kits all getting remade as plastic kits would be nice albeit.