Plenty of milk bars call them ukrainskie. Especially ones in Praga.
I’ve also noticed “pierogi kresowe” which is a reference to Kresy, a historical Polish region that includes Ruthenia, the origin of pierogi ruskie. I don’t recall ever seeing these before, so my guess is that the pierogi industry decided that Kresowe was a less controversial name to use.
I’ve also noticed “pierogi kresowe” which is a reference to Kresy, a historical Polish region that includes Ruthenia, the origin of pierogi ruskie. I don’t recall ever seeing these before, so my guess is that the pierogi industry decided that Kresowe was a less controversial name to use.