99.999999% sure this is not a bug in MusicBee.
And as long as you are not providing any specifics about what you believe MusicBee is doing wrong that can be tested and replicated by others, it is for 100% not a bug.
So, you chose the wrong board to post. This should go to Questions.
And if you expect support and/or useful replies from others on your issue, it would be good if you provided a lot more details.