| ⇢ | A | Application added | |
| ⇢ | A | DisplayController added | |
| ⇢ | A | LoadViewerListener added | |
| A | ↛ | DisplayController removed | |
| A | ↛ | Application removed |
| ⇢ | A | DisplayController::showPdfViewer() added | |
| ⇢ | A | DisplayController::serviceWorker() added | |
| ⇢ | A | Application::__construct() added | |
| ⇢ | A | Application::register() added | |
| ⇢ | A | Application::boot() added | |
| ⇢ | A | DisplayController::__construct() added | |
| ⇢ | A | LoadViewerListener::handle() added | |
| A | ↛ | DisplayController::showPdfViewer() removed | |
| A | ↛ | DisplayController::__construct() removed | |
| A | ↛ | Application::__construct() removed | |
| A | ↛ | Application::register() removed | |
| A | ↛ | Application::boot() removed |