Karp introduced in November 2017 that he would be leaving Tumblr by the conclude of the 12 months. As none had done so immediately after a 12 months of waiting around, Karp and developer Marco Arment began doing work on their possess system. Principal images began on April 1, 2013, at the Raleigh Manhattan Beach Studios in Los Angeles, below the functioning title Freezer Burn. Wilstein, Matt (April 1, 2015).