| ⇢ | A | MessageValidationException added | |
| ⇢ | A | GuiMessageRepresentation added |
| ⇢ | A | WebUIController::getMessage() added | |
| ⇢ | A | GuiMessageRepresentation::setKey() added | |
| ⇢ | A | GuiMessageRepresentation::setMessage() added | |
| ⇢ | A | MessageValidationException::create() added | |
| ⇢ | A | GuiMessageRepresentation::getKey() added | |
| ⇢ | A | GuiMessageRepresentation::getMessage() added | |
| B | ↗ | A | WebUIController::createAction() improved |