i don’t know if it counts as a bug but since the 24th of march update the tier 3 guardian raids from Igrexion and Night Fox Yoho give one rank lower items than the expected rewards like Igrexion is epic or purple items but gives blue and Yoho is legendary but gives epic.
idk if its because of the original in KR servers which Igrexion was ilvl 1325 boss and Yoho ilvl 1355 that is messing with the NA loot system or not but plz check this out