Hi again!
I've tried everything: delete all custom filters and create again, going up and down, etc. Latest v7 version does not work also.
Do you confirm that they work correctly for you?
Please see the attached image as example: I've created a new custom filter, NES favorites, it should appear only the game 1942 but it shows all my games in the library. I do not understand what is happening. The same filter works pretty well in LaunchBox.
Thanks.