This article was originally published in June after the introduction of iOS 8. Now that iOS 8 is available to download, we're republishing it for your information.

This week, Apple showed off its new mobile operating system, iOS 8, at its annual Worldwide Developers Conference. But even after its sprawling presentation of iOS 8’s new capabilities, there’s still more to discover.

Though iOS 8 won’t be available to the public until this fall, we got our hands on a beta version and snooped around. Below, some of the best new features that we haven’t heard about yet.

Battery usage by app

Everyone has her own set of scrappy tricks to improve her iPhone’s battery life, but with iOS 8, it’s less of a guessing game. A nifty little list in your Settings app will show you the exact battery percentage each app you’re using has sucked up that day.

You can zoom out with the week view to take note of your most draining activity and adjust your habits accordingly. This is also official confirmation that my TwoDots addiction is affecting my work life.

Separate focus and exposure for your camera

In previous iterations of iOS, focus and exposure were bound in a loveless marriage. In order to adjust the exposure, you’d have to adjust the focus, and sometimes the two just didn’t want to cooperate. In iOS 8, you can set the focus and then adjust the exposure by moving a little sun icon up and down.

A timer for your camera

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