The November 2021 Update has been released as an optional update, and here's how the rollout will go.
Alongside the release of Windows 11, Microsoft is also making available the Windows 10 November 2021 Update (version 21H2) starting Nov. 16. The rollout of this new update marks the twelfth refresh for laptops and desktop computers, and it's another minor update designed to improve the overall experience.
Full story from the WindowsCentral blog...