This is everything coming in the next Windows 10 feature update

[Windows Central]

Here's the ultimate changelog for Microsoft's upcoming version of Windows 10, version 21H1.
Microsoft's next big Windows 10 feature update is on the way. Just like the Windows 10 October 2020 Update, this upcoming release will be delivered as a cumulative style update for those running the current latest version of Windows 10. This means the update won't take long to install, and isn't as big as normal Windows 10 feature updates.

Full story from the WindowsCentral blog...