I've spoken to the driver teams for both Imagination and iOS. For anything regarding iOS, the Imagination team will always say "We can't answer that, speak to

I've spoken to the driver teams for both Imagination and iOS. For anything regarding iOS, the Imagination team will always say "We can't answer that, speak to the iOS team." For anything that's not in the public docs, the iOS team will respond "We can't answer that." ;)