One slightly off-topic thing I wanted to say, @aerozol, is that, before changing stuff that is already good enough, the only thing that I really miss and that would be ground breaking in MB is collection item markers.
Update
I know why this came to mind, it is not completely off topic.
I use both in conjunction to know which releases I should try to find, looking at my 5 star recordings I don’t already have, those that are not marked in purple:
And also many times, for compilations, or for bonus track album editions that I don’t have.
If I already got the opportunity to listen to the missing tracks and rate them, I know if it’s worth it to buy this release, even if I already have almost all the other tracks (in purple).
I look at the ratings of the missing tracks to decide:
