Apple macOS 10.12.5 is now available for download. Previously, the update was available for developers only. The latest update brings bug fixes and other under the hood performance improvements.
Recently, Apple released macOS 10.12.4 with many new features including Night Shift feature which adjusts the color of your display after sunset. Many studies show that exposure to bright-blue light in the evening can affect your circadian rhythms and make it harder to fall asleep.
Check your updates and download macOS 10.12.5 from the App Store.