I see. I wasn’t aware that this was intended behavior. Seems rather counterintuitive in my opinion as there are rarely, if any, cases where current behavior is desired.
Yes, having current implementation as is achievement enough after years repeated of request. I was very excited when Plex implemented collection in similar manner to the mock up I created for the request years ago.
But this is rather disappointing as this prevents me from organizing the library the way I imagined. I guess I can live without having trilogies in a collection, but I was hoping to group movies that has shorts that go with it, i.e. a lot of Pixar and Disney films that has side story shorts, into one. I guess award collections will have to be on hold for me.
Hope future improvement (further customization options) happen down the road.