| ⇢ | A | Questioncategory added | |
| A | ↛ | QuestionCategory removed |
| ⇢ | A | Questioncategory::getParent() added | |
| ⇢ | A | Questioncategory::setTitle() added | |
| ⇢ | A | Questioncategory::getTitle() added | |
| ⇢ | A | Questioncategory::setParent() added | |
| ⇢ | A | Questioncategory::getLanguageUid() added | |
| A | ↛ | QuestionCategory::setTitle() removed | |
| A | ↛ | QuestionCategory::getTitle() removed | |
| A | ↛ | QuestionCategory::setParent() removed | |
| A | ↛ | QuestionCategory::getParent() removed | |
| A | ↛ | QuestionCategory::getLanguageUid() removed |