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.
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New Apple TV Gains Limited Siri Support for Apple Music on tvOS 9.1 Beta
Jeff Benjamin shared a video demo of Siri being used to search for songs, albums, artists and playlists on Apple Music from the Home screen on the new Apple TV, without needing to open the Apple Music app. Siri can also be used to play and pause Beats 1 radio.
MacRumors was able to replicate this functionality on the new Apple TV running tvOS 9.1 beta in the United States, but Siri did not always handle requests properly. Siri was also unable to complete music-related commands on tvOS 9.0 in our testing.
Apple will likely continue testing limited Siri support for Apple Music before making the feature publicly available in 2016, so the functionality may be spotty or unavailable entirely for some users.