Maturing but still messy, a mumblecore kid returns to South by Southwest a veteran

Joe Swanberg presented his new film, “The Sun Never Sets,” to a packed audience at the Zach Theater on Friday night, calling it his personal best. Filmed on 35mm in Anchorage, Alaska, the movie centers on Wendy (Dakota Fanning), a woman in her thirties, who is deciding between a new, exciting relationship with an unpredictable ex-boyfriend (Cory Michael Smith) and a more stable connection with the divorced father of two (Jake Johnson) she’s been dating.