Heralds + Pathfinder Concoctions

We can't use Herald skills, such as Herald of Ash, with the Pathfinder Concoction skills (e.g., Explosive Concoction), because the Herald skills now require that we be 'unarmed', and Herald skills only work with martial weapons. I have trouble imagining this is intended behavior, since it is a nerf to a bunch of skills that were barely played after the adjustment to Widowhail.