From the latest news section from MKNews :

-->Mark's as yet untitled new album is currently scheduled for completion in March 2018. 

-->Henrick Hansen, who did the short film for the Tracker album promotion, is to do a Mark Knopfler documentary scheduled for a 2018 release together with an in-concert film featuring live performances from the Tracker tour. A Tracker live album to accompany the documentary is also under consideration but not confirmed.