https://wccftech.com/windows-10-october-2020-update-final-build/

Microsoft has been working on the upcoming Windows 10 20H2 for a while now. The company is today releasing the final build of this version, and has confirmed that the official name would be Windows 10 October 2020 Update.

Windows 10 October 2020 Update's final build number is 19042.508 (KB4571756), which is now rolling out to Windows Insiders in the Release Preview Channel. "We believe that Build 19042.508 is the final build and still plan on continuing to improve the overall experience of the October 2020 Update on customers’ PCs as part of our normal servicing cadence," Brandon Leblanc of Microsoft wrote.