Apple has released new updates for devices still running macOS 11, watchOS 10, and watchOS 9. macOS 11.7.11, watchOS 10.6.2, and watchOS 9.6.4 allow older Macs and Apple Watches that are not able to run the current watchOS and macOS 26 to continue to use iMessage and FaceTime.
As noted by MacRumors, Apple’s release notes say the updates extend the certificate that features like device activation, iMessage, and FaceTime use. The certificate update offers a bit of preventative maintenance, to ensure that these functions will continue to work after January 2027. (Logitech, please take note.)
On the Mac, the update can be installed through the Settings app, while on the Apple Watch, the updates can be installed through the Apple Watch app on a connected iPhone.
Apple has also released macOS Catalina Security Update 2026-001 and watchOS 6.3.1 for older devices.