Many people have found catch and shoot shots to be more difficult this year. We have heard lots of complaints about struggling to get green releases as pure sharps with catch and shoot gold+. We dug into the shot mechanics and this is what we came up with.
The most likely thing you are doing wrong is anticipating a pass and hitting shoot before the ball has actually gotten to your hands. 2k heavily punished players for doing this leading to a lot less green releases. Make sure you do not start to hit shoot until the instant the ball touches your hands. The following video goes into more details on this.