You were totally right - all I needed to do was to add m4v into VideoSort in the web-interface, never even occured to me to look there. Now both extensions work together great.
Forgive me if I'm posting this into the wrong section Is it possible to have sickbeard_mp4_automator and Videosort to work together? The usecase is I use NZBGet to download a movie, then I would like to have sickbeard_mp4_automator remux the file to m4v (for Apple device playback) and then have Vide...