| ⇢ | B | Controller added | |
| A | ↛ | Controller removed |
| ⇢ | C | Controller::run() added | |
| ⇢ | C | Controller::handleGet() added | |
| ⇢ | B | Session::startSession() added | |
| ⇢ | B | Controller::__construct() added | |
| ⇢ | B | Controller::handlePost() added | |
| ⇢ | A | MetadataStorage::init() added | |
| ⇢ | A | Session::setSecureOnly() added | |
| C | ↛ | Controller::run() removed | |
| C | ↛ | Controller::handleGet() removed | |
| B | ↛ | Session::__construct() removed | |
| B | ↛ | Controller::handlePost() removed | |
| A | ↛ | Session::setCanary() removed | |
| A | ↛ | MetadataStorage::initDatabase() removed | |
| A | ↛ | Controller::__construct() removed |