Windows 10 version 21H2 update aka Windows 10 October 2021 update is the next major feature update for Windows 10 targeted at September/October 2021. On this page, we have collated all the probable changes and new features Windows 10 version 21H2 update also codenamed as Sun Valley update may bring.

Just keep in mind that not all of the features and changes listed on this page may make it to the final release build of Windows 10 21H2. You can bookmark this page to refer back to see the collated changelog for Windows 10 version 21H2 update. We will keep it updated with new features as and when they are leaked or released.

Windows 10 version 21H2 update: Release Date

As per our sources, Windows 10 version 21H2 update may RTM in July/August 2021. This will be followed by a public release in September/October 2021 via cumulative update and enablement package route.

Windows 10 version 21H2 update new features:

File Explorer changes:

The modern and unified File explorer with deeper OneDrive integration.

Context-sensitive menu changes:

Updated Calendar, Photos, Microsoft Edge apps:

Watch the original teaser video that revealed these upcoming changes.

Windows 10 21H2 may also borrow many new features/UI changes from Windows 10X, a lighter more modern and faster iteration of Windows 10. In this article we take a look at Windows 10X features that may become a part of Windows 10 21H2.

Windows 10X Emoji panel:

Windows 10 insider build 20185 from pre-release channel had Windows 10X code. Enthusiasts were able to tweak and enable Windows 10X Emoji Panel on Windows 10 Build 20185.

Windows 10X  touchscreen keyboard:

Enthusiasts were able to tweak and enable Windows 10X touchscreen keyboard on Windows 10 Build 20185.

Windows 10X OOBE experience:

You can check the video posted by enthusiast Albacore on Twitter. It seems Microsoft is planning to bring the complete out of the box experience from Windows 10X to Windows 10.

Windows 10X faster update experience:

Windows 10X update experience has been cited to be super quick as compared to the traditional Windows update experience. Now, Windows 10 may also be treated to similarly improved update experience when the feature update 21H2 arrives.

Battery usage graphs:

Archive apps feature:

Taskbar & Camera settings in Settings app:

Storage cleanup recommendations have unused app option: