| ⇢ | A | JsonReporter added | |
| ⇢ | A | ReporterFactory added | |
| A | ↘ | B | CheckCommand got worse | 
| ⇢ | A | JsonReporter::report() added | |
| ⇢ | A | JsonReporter::issuesToArray() added | |
| ⇢ | A | ReporterFactory::create() added | |
| ⇢ | A | ReporterFactory::__construct() added | |
| ⇢ | A | ReporterFactory::getReporter() added | |
| ⇢ | A | JsonReporter::__construct() added | |
| ⇢ | A | ReporterFactory::registerReporter() added |