Fusion: Anamorphic aspect applied to square pixel footage

Beta 3 Davinci Resolve: When you enter fusion on an anamorphic clip and bring in a square pixel still clip, the anamorphic pixel aspect will be applied to the square pixel footage.

Source Footage: Arri S35 - ArriRaw - 4608x3164 anamorphic 1.8:1 pixel aspect
Plate footage: Still image DNG 5976x3984 1:1 pixel aspect

It was a viewer thing. I was able to get it right with choosing "three dots" and choose "Show square pixels".

I'm still reporting it as a bug though, since the viewer should change to the correct pixel aspect ratio of the viewed node, which is also the way it used to be.