| ⇢ | A | BackendLayoutWizardElement added | |
| A | ↛ | BackendLayoutWizardElement removed |
| ⇢ | D | BackendLayoutWizardElement::init() added | |
| ⇢ | B | BackendLayoutWizardElement::render() added | |
| D | ↛ | BackendLayoutWizardElement::init() removed | |
| B | ↛ | BackendLayoutWizardElement::render() removed |