Windows 10 21H2 is supposed to be the next major feature update. It will bring many new features and changes along with itself. Some of these features are already available in the latest Dev channel Build 21277. Now, some hidden features have been enabled via registry hacks.

Enthusiast account Albacore has posted screenshots of these hidden features and changes on his Twitter account.

Battery usage graphs:

Archive apps feature:

Taskbar & Camera settings in Settings app:

Storage cleanup recommendations have unused app option: