They could add duty actions and spice things up. They could add random events that happen during any roulette, to make things more engaging and interesting, adding new rng paths to a dungeon which leads to some sort of treasure map room. And anyone could partake in these, without feeling left out.
There is multiple ways to make old, lame content interesting even for veterans. Adding relic items to the end is the cheap, dull method.
I dont think it will change any day, because well. Resources are being used for other, "dying" content.