The "solo is in a shooting slump" narrative is total nonsense.
I watched some tape, and last year as a first time starter, Solo made his bread on catch and shoot shots that were high quality - open looks, feet set, on balance.
This year especially early on he had a greeeeeeeen light to expand that shot selection, and he's taken many more movement shots, shots with his feet not square, shoulders coming square while he's elevating. In short, his shooting hasn't suffered some mysterious collapse, he is trying to expand his universe of what can be considered a "good shot". He's trying to grow and establish his new shooting envelope.
Now that he wasn't hitting at a high enough clip, I think you will see(and have seen) him adjust back just a touch and focus on higher quality shots, and those shooting rates will jump.