Water mechanics on magma blocks are not working properly.

I haven't done a lot of in depth testing of this bug from what I know right now, placing magma blocks (maybe in a certain way) and then putting water on it can ruin the physics of water in minecraft. I first noticed this when I built Ilmango's mob farm and a creeper blew up some of the magma blocks I replaced them and now when water interacts with the affected blocks it will not spread properly, and then not drain.