Android Developers Blog: What's new in Android 12 Beta
Android 12 developer preview is available now with many under-the-hood updates - The Verge
The first version of Android 12 is ready for release
Google Releases Android 12 DP3 with New Settings UI, Animations & More
What do you want to see in Android 12?
Android 12 Developer Preview 3 is available, Download it here
Highlights: Android 12 Developer Preview, by A Smith
NetDroid Technology
Expect to see the first Android 12 beta launch in May - Phandroid
Google Health Connect: Google launches Health Connect in beta version to securely share fitness data across Android devices - The Economic Times
12L features and changes
Android 12 developer preview is available now with many under-the-hood updates - The Verge
Android 12 Developer Preview 3: All the upcoming user-facing features revealed