| ⇢ | A | Collection added | |
| B | ↗ | A | Converter improved | 
| ⇢ | A | Collection::offsetSet() added | |
| ⇢ | A | Converter::isCollection() added | |
| ⇢ | A | ObjectIterator::current() added | |
| ⇢ | A | Collection::offsetExists() added | |
| ⇢ | A | Collection::offsetGet() added | |
| ⇢ | A | Collection::offsetUnset() added | |
| ⇢ | A | Collection::count() added | |
| ⇢ | A | Collection::__construct() added | |
| ⇢ | A | Collection::current() added | |
| ⇢ | A | Collection::next() added | |
| ⋮ | view more | ||
| A | ↛ | Converter::isTraversable() removed | |
| A | ↛ | ObjectIterator::count() removed | |