The EP announced that there will be a fifth season of AD. They announced that it'll be 17 episodes. At this point, it is assumed that they will be released via Netflix.
Arrested Development Season 5 Definitely On Says Brian Grazer
Arrested Development Season 5 Is Really Happening How Should the New Episodes Work Master Herald
Brian Grazer Teases Arrested Development Return Rolling Stone
Arrested Development 17 more episodes in works - Business Insider
Arrested Development Season 5 Definitely On Says Brian Grazer
Arrested Development Season 5 Is Really Happening How Should the New Episodes Work Master Herald
Brian Grazer Teases Arrested Development Return Rolling Stone
Arrested Development 17 more episodes in works - Business Insider