Solas Personal Quest 'All New, Faded for her' not triggering

I'm having this exact problem as well. I've maxed out his approval and completed the fade kissing scene, but his dialogue options as this point only offers to talk about Coryphyeus. I'm thinking something triggers this glitch in the game. Maybe trying to go back and reloading older saves until his personal quest can be triggered might work. I tried this but unfortunately I didn't keep a save that went back far enough, too bad too- I was looking forward to his romance :-/