I am not sure, but I think it is the default when you launch a packaged game it is DX11 by default. Try to create a shortcut and place -dx12 at the end of the Target field, like when you tested with editor. Let us know if it worked!
I am not sure, but I think it is the default when you launch a packaged game it is DX11 by default. Try to create a shortcut and place -dx12 at the end of the Target field, like when you tested with editor. Let us know if it worked!