Originally Posted by Bemx2k View Post
Is there in near future for two pass implementation in NVenc ? or any feature to improve encoding quality with AV1 / H265 ?
Did you check the settings?

It shows
--multipass <string>
Multi pass mode. Available only for --vbr and --cbr.
What is wrong with the quality?
To get the best possible quality you need to adjust the settings accordingly.