Thanks for your feedback Paul.
Width and height adjustment options are still there.
They are exclusive, i.e. if you pick height, you can't pick width. Older version allowed you to pick both dimensions, but output never came out right. When you uprez, most tools allow you to pick a size that scales constraining aspect ration up or a size that will change the dimensions and not constrain the aspect ratio but still uprez up. Many times I don't want the file to just scale up, instead pick a different ratio for the image. In Photoshop, this is controlled by the parenthesis (constrain-unconstrained) around your height and width. If you uncheck these, you can pick you own dimensions i.e. work "unconstrained"
Previous version of AI allowed this, but it never came out like it should. Even if you picked an exact height and width, it always used one not both, most often width.
Paul C