This update includes the following enhancements and bug fixes:

• Security Keys for Apple ID allow users to strengthen the security of their account by requiring a physical security key as part of the two factor authentication sign in process on new devices
• Support for HomePod (2nd generation)
• Fixes an issue in Freeform where some drawing strokes created with Apple Pencil or your finger may not appear on shared boards
• Addresses an issue where Siri may not respond properly to music requests

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222