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This is EXACTLY what I needed, because I built a custom clip that jumps the timeline backwards to a loop point while it waits for a button press....
Bug reported. I obtained a custom build of the vendor's library to remove the naming conflict.
It seems that the URLUtility.o file bundled inside the Unity iOS library contains a class named WebViewController. It collides with a class name...
That file most likely contains all the art and sound assets of your game. So the issue is probably not "Why did Unity make my build so big?" but...
Well, I definitely needed it. :) The Stencil Mask and Stencil Draw In Mask shaders worked PERFECTLY for me. All I needed was a way to have one...
This worked for me after I had installed the Android Studio: C:\Users\{username}\AppData\Local\Android\sdk