There is a respect that people have wishes but they're mostly not getting granted here :p
MusicBee is one man's hobby. Steven must juggle his work, private life and the time he spends on MB (which includes bug fixing, not just granting wishes). I'm amazed that he is able to give the time that he does here. With regard to wishes, yes, some do get granted earlier than others. I can only imagine that Steven somehow balances their value, ease of implementation and benefit to MB.
Some wishes take more time than others. The current upgrade to the mini-player has been in the pipeline since Vers:2.1.(possibly earlier)
Despite the somewhat antagonistic relationship that Steven and I currently have, I think he does do a great job. Actually it's more like an absolutely-f^&*ing-fantastic job from a one-man show.
If you can't wait for something to be implemented, if it's possible, write a plug-in or, as Steven often says, maybe MusicBee is not the player for you.