We need to implement support for reading from the Metal drawable's back-buffer texture for FMetalDynamicRHI::RHIReadSurfaceData FMetalDynamicRHI::RHICopyToResolveTarget in order to make FSlateApplication::TakeScreenshot work in Metal.
Build & run an iOS Metal project.
Attempt to capture a screenshot with Slate.
Why does the REMOVE method of map container remove elements have memory leaks?
How does TextureRenderTarget2D get TArray<uint8> type data?
How to delete some elements correctly when deleting an array loop?
How do I set a material as a post-processing material?
UMG RichText not appear image when packaged
What controls of umg have mouse wheel events in UE4.27?
How to assign a value to a member of UMG's UMaterialInterface pointer type in C++?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-18382 in the post.