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
iMac Pro Appears to Include A10 Fusion Chip for Always-On 'Hey Siri'
As noted by Troughton-Smith, the A10 will manage the booting process and security for the iMac Pro, and with hooks into system audio, he theorized that the chip might support always-on "Hey Siri."
Confirmed: "Hey, Siri" is coming to the Mac pic.twitter.com/Dw9bRAzbxD— Guilherme Rambo (@_inside) November 18, 2017
BridgeOS has a boot chime sound pic.twitter.com/ofupY9RZt8— Guilherme Rambo (@_inside) November 18, 2017
In June, Pike's Universum reported that the upcoming iMac Pro will include a Secure Enclave, suggesting the machine would indeed include an ARM-based coprocessor as on the MacBook Pro.
Unveiled at WWDC in June, the iMac Pro is scheduled to launch next month, but Apple has yet to give a specific launch date for the high-end desktop that will start at $4999.