DE needs to add a way to UNFORMA. So you can refund spent formas on crap you dont like anymore and use them on new crap thats the flavor of the month. The cost should be credits of course.
But no nonsense like Arcane Distillers that waste millions of credits and weeks of waiting to build plus a week of rep grinding, then have to waste more to rebuild the arcanes.
DE should also add selectable mod ranks - so if you have a Max R10 Blind Range for example, you can equip it then choose any r
The mod rank selection (sometimes referred to as underclocking) is a good (frankly great) concept but under the hood it is a bit of a nightmare with the way Mod info is stored per account. It is a very, very hard issue to solve, it technically has a solution in game now with copies of mods, and right now I don't see it entering the dev's pile of priorities considering how much full their current plate is. Maybe one day.
Forma applications being a permanent consumable will be staying this wa