When will we see a change in gear in the daily Challenges?

VesperVDH

I believe I must have 9'000 MK 4 BAW Armor Mod Salvage, 7'000 MK1 Athakam Medpac Salvage and probably around 12'000 MK8 Neuro-Saav Electrobinoculars Salvage. I am pretty sure I won't even use 1% of those items. But every day we can get them with the challenges, so I stopped collecting them.

So maybe a good idea to change the salvage gear OR have a way we can sell our surplus gear?