The next big game from BioWare, Mass Effect: Andromeda, won't feature a season pass for its DLC.
BioWare General Manager Aaryn Flynn confirmed this on Twitter when asked about the inclusion of a season pass.
As for future additional content Flynn stated that "We'll talk more about that later :)". Flynn also confirmed that Arabic will not be supported at launch but Andromeda will feature HDR on Xbox One and PS4 Pro.
Recently new content was revealed at NVIDA's CES Keynote event.
Mass Effect: Andromeda releases on March 21st for Xbox One, PS4, and Origin PC in the US and 23nd in the EU.