Apple has released macOS Big Sur 11.2 for Mac users running macOS Big Sur. The new software update includes bug fixes and enhancements to the operating system, and is therefore recommended for all Mac users running macOS 11 Big Sur.
Specifically, macOS Big Sur 11.2 is said to improve the reliability of Bluetooth connections, resolves an issue with external displays and some M1 Macs, fixes a problem where iCloud Drive could erroneously turn off, amongst other various improvements and bug fixes.