| ⇢ | A | DefaultExtensionProvider added |
| ⇢ | A | ServicesBuilder::getParameterResolver() added | |
| ⇢ | A | ServicesBuilder::getInstance() added | |
| ⇢ | A | DefaultExtensionProvider::register() added | |
| ⇢ | A | DefaultExtensionProvider::getExtensions() added | |
| A | ↛ | Reference::__toString() removed |