So they don’t take up a ton of space in bag. Have no idea how this was not thought of in the first place.
Stack each tier respectively in our bags to save inventory space. Stacks of 99 for Tier 1, 2, 3, on and on.
Also, tradeable mats need to be stacked at 99. There is no reason for them to be capped at what…50?
I dont understand why they dont stack. I have a full stash tab ive now started salvaging them.
I think this is the 15th thread about this topic. Not that I don’t agree mind you, they should stack, just pointing it out.
Maybe we need a 16th thread for them to see it 
Lol.
Only one tab? Slacker! Lol.
Well I know that not all Tiers are the same. Ive seen T5 with 6 waves and with 7 waves. But man… I sometimes think they make something new every season to fill up your stash.
The new D4 director is as clueless as the 1st one. There is your answer.
I do believe they didnt adjust it after they increased drop rates. Remeber they were quite uncommon in ptr