System Information
Operating system and graphics card
Blender Version
Broken: 2.79 5bd8ac9
Random saving format for Material ID and Object ID in OpenEXRMultiLayer
once is MaterialID.R (and G, B and A) another render (same scene 3 min later) MaterialID.V (layers listed in Fusion 7, 8 and 9 )
Best Regards
Michal Monart