Play around with this stuff for a bit to get the hang of pinning and aligning views. Get a feel for it, because not everything is immediately obvious. Just remember that there must always be enough constraints so that Auto Layout can determine the position and size for all views. Gallery ...
What fixed it for me was to completeall recruitment and loyalty missions for all companions(with the exception of Legion). Then, once the final battle was over, before getting onto the shuttle, I went into the Options Menu and dropped my resolution to 1080 (I'm running a 4k monitor, so...