Some time ago I found that AA works strangely in UE 4.16 with the same settings like in 4.15 (Temporal AA, Cinematic Quality). Here’s the comparison:
UE 4.15:
UE 4.16:
The problem has been solved partially by adding bias parameter to normal map texture (so the problem might be possible somewhere in normal maps processing or related to AA):
But artifacts still visible in many cases:
