| ⇢ | D | Tree::parseParentElement() added | |
| ⇢ | A | Item::getSeeAlso() added | |
| ⇢ | A | Item::getURL() added | |
| ⇢ | A | Item::getChildren() added | |
| ⇢ | A | Tree::mergeItems() added | |
| D | ↗ | C | Tree::fromString() improved |
| A | ↘ | C | Item::__construct() got worse |
| C | ↛ | Item::fromObject() removed | |
| C | ↛ | Item::fromLI() removed | |
| A | ↛ | Tree::fromUL() removed | |
| A | ↛ | Item::getSubTree() removed |