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'Sup, iOS 11. Welcome to the iPhone party.
Specifically, welcome to the iPhone X, iPhone 8 and iPhone 8 Plus. Apple's just-announced iPhone trio for 2017 will be the first phones to launch with the new operating system, which is available as a public beta now. Good news: If you're not planning to upgrade to a new iPhone this year, you'll get iOS 11 on your current iPhone or iPad on Sept. 19.
The biggest changes come to Siri, Apple's voice assistant; interfaces like the lock screen, App Store and Control Center; and AR software that's going to mesh the virtual world with your own. But iOS 11 beta is also full of little surprises.
On the iPhone X, iOS 11 does double duty, all because it ditches the home button. The iPhone X, which is pronounced "iPhone 10," will be the only device that uses a gesture to multitask, and facial recognition software to unlock the phone (and create goofy animojis, animated emojis that mimic your facial expressions).
The iPhone is Apple's most popular device, and also its biggest moneymaker by far, and iOS 11 is the backbone that props up your current iPhone and iPad, as well as Apple's new iPhones.
Why we care: This kind of deep software supports rumors that Apple is going to add a lot more computing power to the iPhone camera.
Why we care: Apple's Siri assistant has lagged behind Google's (and even Amazon's Alexa). Prediction and translation help close the gap a little.
Why we care: The most important change is that you'll be able to save a lot more photos and videos.
Why we care: The three-panel layout was a drag. This should be easier to use by putting the controls we care about in one place, not three.
Why we care: This should give you a more convenient glance at alerts.
Why we care: Less clutter.
Why we care: You can pay your buddy back for dinner without having to sign into a new service. Easy.
Why we care: You might not get as lost finding the pretzel stand on your way to the gate.
Why we care: Distracted driving is bad news for road safety. This is a step in the right direction.
Why we care: You can set up surround-sound music in your home with speakers you already have.
Why we care: If it helps makes new apps easier to find, that's fine by us. But the jury's still out on whether this redesign showcases more apps or fewer.
Why we care: The larger iPad screen means people use it differently than they do their phones. These changes can make the iPad easier to use and far more productive.
CNET senior reporter Shara Tibken contributed to this story.
Update: First published June 5, this article has ben updated several times, most recently Sept. 12.