AP 1.9 shows red blocks in Develop Persona

[Esteban]

Since AP 1.9 and also 1.9.1, when editing or moving a raw file in the Develop Persona red blocks appear over the photo.

When deselect Metal in preferences, everything goes fine. With Metal enabled, the red blocks appears again.

 

[Chris B]

Hey Esteban,

I'm somewhat surprised by this because as far as I know, metal compute should be working with the Intel Iris GPU. We have seen this before but if I recall, it was when we initially implemented metal a few years ago. I will do some digging. 

[Esteban]

Hey Chris,

Thank you for your answer. Just to let you know that the blocks also appear in the 1.9.2 update. If you have found something while digging, feel free to let me know.