I'd planned to have 3 new missions for Pirates in the 1.5 update and some small missions but only finished one and didn't have time to even start on the rest.
They will be available in a future update.

The small missions for garrison will let you identify, tag and surveil freighters in coordination with the RR. The rewards vary based on what the freighter is carrying after the ship is captured. (You don't actually participate in the attack)

The remaining two missions include recruiting mercenaries for "the big heist" and "the big heist" itself. Where accompanied by Markos' crew, Markos himself and a group of mercenaries you take over a Duvall-class Freighter and fight off a rival pirate crew after your catch.
A fourth mission is planned that takes place at the Rogue's Roost, Markos' home base.

Of course, those all require new POIs, ships and scripted events and i've been busy rebuilding all the zirax space POIs for vanilla (Most are already in RE).

Oh wow! Sounds really fun. I'll hold off hitting f on Garrison for now... he he

Thanks for the coming preview. My curiosity wants to know more like how do I fight pirates but not loose rep. Will it be a give and take, like you loose rep when killing rival pirates but then gain it all back when the mission is over? Or will they be a different faction? Of course, I'd also rather experience it all when it comes out too, so maybe best I have to find out...

Thank you again for all the content!!!

Mission-based pirates will be either set as Predator or Warlord faction for their specific spawns since they're always hostile and have no reputation impact either for or against a specific faction.