gianni, 
Hey video people, I have a brand new shiny SVT-AV1-PSY release for all of you as of yesterday! SVT-AV1-PSY v2.0.0-A
https://github.com/gianni-rosato/svt-av1-psy/releases/tag/v2.0.0-A
There are a bunch of cool new features to improve consistency & quality in dark scenes - check it out at the link!