Did the game have graphic downgrade?

Lester2142

Since January update a lot of characters have graphic/illumination "issues" in different stages , this happen in particular with the metallic/armored characters (specially Onslaught). In particular those characters:
-Don't have reflect on their armor or metallic skin
-Dark colour in some stage or flat color in other stages.
Is It and issues or a permanent graphic downgrade?

Lester2142

Color glitch into the same stage, from extremly dark to completly red