What Happened To The iHeartradio Integration Into Groove Music?

[Sedp23]

What happened to the iheartradio integration into groove music on windows 10? There was press release of this integration coming soon around November of 2015 IIRC, but I've never seen it on windows 10 or mobile

https://www.thurrott.com/music-videos/groove-music/6853/report-iheartradio-is-coming-to-groove-music