Well this certainly is interesting.
Renoir is the successor to current AMD Picasso APUs and are said to be based on the new Zen 2 architecture while incorporating a Navi GPU... Well, at least originally what rumors/leaks reported. These code patches indicate Renoir to be based on Raven/Vega as opposed to Navi. Not a whole lot is known about Renoir publicly and are not expected to hit the shelves until 2020.