Yep, as I mentioned in the article this is the AV Foundation framework - presumably used in all Apple apps since it's the official API they recommend. Doesn't s

Yep, as I mentioned in the article this is the AV Foundation framework - presumably used in all Apple apps since it's the official API they recommend. Doesn't surprise me that the browser would be affected. The weird thing is that, when we first started doing the tests, it would happen immediately on pressing play. After some period of time running the tests, it started happening later and later in the process, indicating - what? No clue.