I'm not sure exactly how to describe what it's doing, exactly, but it's like the UI is constantly resizing itself to hit a specific size before it settles?

It does it more noticeably normally, than it did while recording, but here's a video of it in action: https://youtu.be/beFItLWYHJY

The computer is an ASUS X555LA Notebook
Intel Core i5 5200U @ 2.20GHz
Intel HD 5500 Integrated
6GB DDR3 RAM