Mark Hoppus recently talked with People, and when asked if Blink-182 were writing new music said:
Not yet, but we are about to. [I] literally found out by Tom doing an interview with our friend Toby Morse from H2O, saying that we were going to start demoing songs this summer. So I was like, “Oh, okay. Cool. Guess I’m writing a new album this summer. Great. Can’t wait.”