I have this issue for a while and always shrugged it, but I decided it was time to share and try to investigate this.
Every time I convert Negatives, in this version and in the prior one, the first conversion is always terrible with 2 main aspects to it. It sets the negative to a heavy green tone and very under exposed. I always have to reset the conversion and do it again and then it comes out well.
It’s really setting and source independent. Happens with any saturation, which I usually have set at 3 or 4. Either if it’s a tiff scan or camera raw, color or black and white too. Yes even the BW conversion at first has this exact cast.
Here’s an example:
Has anyone ever encountered this issue? And if so were you able to fix this?