I have posted this issue again in Bug Reports, instead of in Blueprint Scripting, since I believe it to be an Bug in the Engine: iOS app rejected due to use of non-public API: MetalTools.framework - Mobile - Epic Developer Community Forums
I have posted this issue again in Bug Reports, instead of in Blueprint Scripting, since I believe it to be an Bug in the Engine: iOS app rejected due to use of non-public API: MetalTools.framework - Mobile - Epic Developer Community Forums