According to the article, if you purchase a brand-new iOS device, it is running 10.3. That is different than existing devices cannot get upgraded yet to it. Or is the article unclear?
No, you've misunderstood the phrasing, it says "which runs on currently shipping iOS devices", in other words, it is compatible with.
Also, itunes connect still isn't allowing us to respond to reviews (which is the whole point of this post...)