She is looking much much better stopping the yellowing for now
I would go ahead and remove the leaves that are 50%+ yellow as they aren’t contributing enough towards her growth to keep them on and will help to see when the yellowing resumes. Being almost in her 7th week with a guestimate of ~5 wks left, I would expect the yellowing to resume in ~2-3 wks for the extra energy to fatten up the buds to finish up.
As for the smaller one, I noticed yellowing starting on her last week though she has less bud sites so I wouldn’t worry about her as it appears limited to just the 3 so may be just shedding what she cannot maintain but I would increase her water as the soil appears on the dry side