T3 has released an AM2R Xbox One port in what I would presume is the last release of the year for both retail and dev mode.
You can find the appx for dev mode here:
https://www.mediafire.com/file/25e0lixqs04k0wr/AM2R-V1.5.2-UWP.appx/file
You can find the appx for dev mode here:
https://www.mediafire.com/file/25e0lixqs04k0wr/AM2R-V1.5.2-UWP.appx/file