| C | ↘ | D | AlbumBusinessLayer got worse |
| ⇢ | A | Library::injectAlbumsToArtists() added | |
| ⇢ | A | Library::injectTracksToArtists() added | |
| ⇢ | A | Artist::getTracks() added | |
| ⇢ | A | Artist::setAlbums() added | |
| ⇢ | A | Artist::setTracks() added | |
| ⇢ | A | Artist::getAlbums() added | |
| ⇢ | A | Util::arrayGroupBy() added | |
| A | ↘ | B | AmpacheController::artists() got worse |
| A | ↘ | B | AmpacheController::renderArtists() got worse |