Night mode is an automatic setting which takes advantage of the new wide-angle camera that's in the iPhone 11 and 11 Pro models. It's equipped with a larger sensor that is able to let in more light, allowing for brighter photos when the light is low.
macOS Catalina Now Available
Watch Apple's Two-Hour 2016 WWDC Keynote in 7 Minutes
It took Apple two hours to go over all of the features in the four operating systems and it was still a lot to take in, so we made a seven minute recap video that features all of the need-to-know highlights.
Stay tuned to MacRumors.com going forward because we're going to be sharing in-depth videos highlighting new features in iOS, macOS, watchOS, and tvOS throughout the coming weeks, and we'll be publishing detailed roundups with everything you need to know about all of Apple's upcoming software updates.
All of the four operating systems are currently available to developers only with a release slated for the fall of 2016.