This update:
Adds support for Business Chat conversations in Messages in the US
Adds support for external graphics processors (eGPUs)
Fixes graphics corruption issues affecting certain apps on iMac Pro
Allows jumping to the right-most open tab using Command+9 in Safari
Enables sorting Safari bookmarks by name or URL by right clicking and choosing "Sort by..."
Fixes an issue that may prevent web link previews from appearing in Messages
Helps protect privacy by only AutoFilling usernames and passwords after selecting them in a web form field in Safari
Displays warnings in the Safari Smart Search Field when interacting with password or credit card forms on non-encrypted web pages
Displays privacy icons and links to explain how your data will be used and protected when Apple features ask to use your personal information