What happened was a replacement of the bulliten board system.
Think of it in terms of a car - the DIS Boards had its engine completely removed and replaced by a brand-new engine of the same size that has some new features, but the seats, sterring wheel, shifter column, etc. are still the same. We should have some new buttons on the dash, however, that lead to the new features.
But the boards should drive a little nicer once we get used to the new features. I don't yet know what new features we will get, but I hope they will be useful and not take up too much server time.