Hello, I see it in Xcode 16.1 and I created a reproducer. I'll post it here.
klinee101
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I am using Xcode 16.1 but the framework being referenced in my crash log ("_QuickLook_SwiftUI") is different than the one you are referring to ("QuickLookUI").
I was working on a reproducer but realized I no longer see this warning in Xcode 16.0 beta 4.