The macOS Sierra 10.12.1 update improves the stability, compatibility, and security of your Mac, and is recommended for all users.
● Adds an automatic smart album in Photos for Depth Effect images taken on iPhone 7 Plus
● Improves the compatibility of Microsoft Office when using iCloud Desktop and Documents
● Fixes an issue that may prevent Mail from updating when using a Microsoft Exchange account
● Fixes an issue that caused text to sometimes paste incorrectly when using Universal Clipboard
● Improves reliability of Auto Unlock with Apple Watch
● Improves security and stability in Safari
You can download the update from the link below..