I'm running Photo Mechanic Plus Version 6.0, build 6496 (19d779b) on MacOS Mojave 10.14.6 on a 15-inch 2019 MacBook Pro.
It's a long story as to why I'm doing this, but I rate jpgs processed from RAW by an old process as 2-star, so I can easily do a certain search and exclude the 2-stars and see what I have left to go. Most of the time, it works just fine. But sometimes, images I've tagged as 2-star show up with their old star rating, and so don't get excluded. I've done multiple Full Catalog Syncs to no avail. Any ideas?