Actors added to a layer which is marked hidden/invisible will unhide when loading a map.
Confirmed in Main @ CL 4845042
Result: Layer is still marked hidden but objects are visible.
How does TextureRenderTarget2D get TArray<uint8> type data?
Why does the REMOVE method of map container remove elements have memory leaks?
What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?
UMG RichText not appear image when packaged
How do I set a material as a post-processing material?
How to delete some elements correctly when deleting an array loop?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-69355 in the post.