| ⇢ | A | Col added | |
| ⇢ | A | Colgroup added | |
| ⇢ | A | Menu added | |
| ⇢ | A | Tbody added | |
| ⇢ | A | Td added | |
| ⇢ | A | Tfoot added | |
| ⇢ | A | Th added | |
| ⇢ | A | Thead added | |
| ⇢ | A | Tr added | |
| B | ↘ | C | Element got worse |
| ⇢ | D | Thead::doClean() added | |
| ⇢ | D | Tbody::doClean() added | |
| ⇢ | D | Tfoot::doClean() added | |
| ⇢ | C | Tr::doClean() added | |
| ⇢ | B | Menu::doClean() added | |
| ⇢ | A | Th::doClean() added | |
| ⇢ | A | Col::doClean() added | |
| ⇢ | A | Td::doClean() added | |
| ⇢ | A | Th::getAllowedAttributes() added | |
| ⇢ | A | Element::getAttribute() added | |
| ⋮ | view more | ||