This guide dives deep in to the new features and changes that Microsoft made available with the release of Windows 11 build 23521, 23516, 23511, and 23506.
The Windows 11 Insider Preview Beta Channel build 22621.2191 (KB5029336) also adds some features in previous Channel releases like HDR Background Support, more Narrator Natural Voices, and more.
The new Windows 11 Insider Dev Channel Preview Build 23516 also adds HDR background support along with more access to voice users, adaptive dimming for presence sensors and much more.