The recent Piggy Themed update (May 24, 2019) broke the map in
Don't Starve (plain). The main play view seems to have no issues, but
when you try to view the map the background image is missing (the items,
grass, trees, .... are present on a black, lined background.
Just start the game and look at the map in dont starve (with none of the other versions---RoG, Shipwrecked, Hamlet---activated).