90% of the shaders are trash, you cannot sort them, you can not mark favourites, the preview in most cases has nothing to do with what the shaders really looks like and it does really weird things sometimes on some ornaments.
Just remove the shaders completely and implement 4 color bars on the loadout-screen, so that a player can just shade his character individually. this color bar should include black of course!
Additionally, you could add some "perks" to give effects like gloss or different patterns.
imho, that would be a great QoL update and would spare us searching around in dozents of shader-screen, just to find out that every single shader does somehow look weird and is never really perfect.
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warframe did shaders the best tbh