| ⇢ | A | GalleryItem added | |
| A | ↛ | GalleryHasMedia removed | |
| A | ↛ | GalleryHasMedia removed | |
| A | ↛ | Media removed | |
| A | ↛ | Gallery removed | |
| A | ↛ | Media removed | |
| A | ↛ | Gallery removed |
| ⇢ | A | Gallery::removeGalleryHasMedia() added | |
| ⇢ | A | Gallery::addGalleryHasMedia() added | |
| ⇢ | A | GalleryItem::getId() added | |
| A | ↛ | GalleryHasMedia::getId() removed | |
| A | ↛ | GalleryHasMedia::getId() removed | |
| A | ↛ | Media::getId() removed | |
| A | ↛ | Gallery::getId() removed | |
| A | ↛ | Media::getId() removed | |
| A | ↛ | Gallery::getId() removed |