On This Day - What happened 22 October 2013 AD

With OS X engineers reportedly working on iOS 7, the version released in 2013, OS X 10.9 Mavericks, was something of a transitional release, with some of the skeuomorphic design removed, while most of the general interface of Mavericks remained unchanged.

The second Artpop single, "Do What U Want", featured singer R. Kelly and was released later that month, topping the charts in Hungary and reaching number 13 in the US. Gaga removed the song from all streaming platforms in 2019 in the light of allegations made against Kelly sexually abusing several women; Gaga apologized forever for collaborating with him.