June 5 and is set to be released in the fall, potentially around the end of October.
Like previous macOS updates, macOS Sonoma will be available for free. While you can't pre-order it, you can sign up for the beta program to try it out early.
The notable updates in macOS Sonoma include the ability to add widgets to the desktop and access iPhone widgets, gaming-related improvements, and enhancements to Safari, such as improved privacy features and the ability to create multiple profiles.
Regarding compatibility, macOS Sonoma is expected to work with Mac models from 2018 onwards, including specific iMac, Mac mini, Mac Pro, Mac Studio, MacBook Air, and MacBook Pro.
The name “Sonoma” follows Apple's tradition of naming macOS versions after landmarks in California, with Sonoma being named after the famous wine region.