Hey Apple, how about developing your browsers to support modern web technologies first?
Given that nobody wanted to fix the WebSQL proposals (they had already been deployed, and some apps relied on them, making it impossible - good job there) there was no choice but to move to another proposal (IndexedDB).
If you do not understand why tying standards to specific implementations is a bad idea, I feel sorry for you. Good for us, the rest of the industry is - most of the time - smarter than that.
I recommend supporting ffv1 or HEVC Still Profile (where patents don't apply).
Obviously Safari wouldn't matter if Apple allowed other browsers on iOS, but no, they insist on dragging the whole Internet a few years behind.