| ⇢ | A | ExtensionEntityEvent added | |
| ⇢ | A | ExtensionPreStateChangeEvent added | |
| ⇢ | A | StoppableExtensionEntityEvent added |
| ⇢ | A | ExtensionEntityEvent::getExtension() added | |
| ⇢ | A | ExtensionEntityEvent::__construct() added | |
| ⇢ | A | ExtensionPreStateChangeEvent::__construct() added | |
| ⇢ | A | ExtensionPreStateChangeEvent::getNewState() added | |
| ⇢ | A | ExtensionStateEvent::getExtensionBundle() added | |
| ⇢ | A | ExtensionStateEvent::getExtensionEntity() added | |
| ⇢ | A | StoppableExtensionEntityEvent::isPropagationStoppe... added | |
| ⇢ | A | StoppableExtensionEntityEvent::stopPropagation() added | |
| A | ↛ | ExtensionStateEvent::getInfo() removed | |
| A | ↛ | ExtensionStateEvent::getExtension() removed |