Apple today released macOS Big Sur 11.3, the third major update to the macOS Big Sur operating system that launched in November. macOS Big Sur 11.3 comes two months after the release of macOS Big Sur 11.2, a bug fix update.
The new macOS Big Sur 11.3 update can be downloaded for free on all eligible Macs using the Software Update section of System Preferences.
macOS Big Sur 11.3 adds additional customization options for Safari, introducing a way to rearrange the different sections on the Start Page like Favorites, Reading List, Siri Suggestions, Privacy Report, and more. Developers also have access to a new integration to develop features for the Start Page.
Read more at MacRumors.com