It looks like a lot of documentation is pointing to the wrong branch. It took me a minute to understand why I was looking at code that hadn't been touched in 2+ years. The docs are pointing to the "master" branch but everything has moved to the "main" branch.
ex. https://docs.microsoft.com/en-us/adaptive-cards/rendering-ca...
Re:Adaptive Cards
by paulcam206 on Monday May 23, 2022 @03:13PM
(#31483672)
filed https://github.com/microsoft/AdaptiveCards/issues/7475 to track :)
It's a healthy project, with multiple development teams within Microsoft both using and contributing to it. If you scroll down the originally linked homepage, you see 4 Microsoft products that have used it, 3 of which are in active development today.