TBH, for me, it has been the opposite for the past week or two. I would have to RE about 40-50 attempts to get from green to blue. But to go from blue to purple, I had to only RE about 2-4 attempts. On one item, I got it on the second attempt.
Maybe I'm just extremely lucky, but that's what's happened to me for the past week and a half. The only issue I run into is trying to get the alternate schems of the same item. I keep getting the "You already know this schematic" bug. Very frustrating and hope it gets fixed soon.