About

Before version 5.4, PHP CompatInfo used JSON config file handled by PHP Reflect Api/V3/Config object,

With version 5.4+, PHP CompatInfo uses now the Symfony DependencyInjection component. It allows you to standardize and centralize the way objects are constructed in console application.

Read more how Setting up the Container with Configuration Files.

Old plugin system can be replaced with the Bartlett\CompatInfo\Event\Dispatcher\EventDispatcher service. Default version add two subscribers (ProfileEventSubscriber and LogEventSubscriber) to listen and handle all Application events.