https://www.gamespot.com/articles/destiny-2-fans-are-angry-at-how-the-new-shaders-wo/1100-6453186/

Among the many smaller changes in Destiny 2 is one concerning shaders, the items used to re-color your gear. Many players have responded negatively to the way they function as consumables, and now Bungie has responded with an explanation of why the adjustment was made.