CHANGELOG
4.4.0
* `AddEventAliasesPass` has been added, allowing applications and bundles to extend the event alias mapping used by `RegisterListenersPass`. * Made the `event` attribute of the `kernel.event_listener` tag optional for FQCN events.
4.3.0
* The signature of the `EventDispatcherInterface::dispatch()` method should be updated to `dispatch($event, string $eventName = null)`, not doing so is deprecated * deprecated the `Event` class, use `Symfony\Contracts\EventDispatcher\Event` instead
4.1.0
* added support for invokable event listeners tagged with `kernel.event_listener` by default * The `TraceableEventDispatcher::getOrphanedEvents()` method has been added. * The `TraceableEventDispatcherInterface` has been deprecated.
4.0.0
* removed the `ContainerAwareEventDispatcher` class * added the `reset()` method to the `TraceableEventDispatcherInterface`
3.4.0
* Implementing `TraceableEventDispatcherInterface` without the `reset()` method has been deprecated.
3.3.0
* The ContainerAwareEventDispatcher class has been deprecated. Use EventDispatcher with closure factories instead.
3.0.0
* The method `getListenerPriority($eventName, $listener)` has been added to the `EventDispatcherInterface`. * The methods `Event::setDispatcher()`, `Event::getDispatcher()`, `Event::setName()` and `Event::getName()` have been removed. The event dispatcher and the event name are passed to the listener call.
2.5.0
* added Debug\TraceableEventDispatcher (originally in HttpKernel) * changed Debug\TraceableEventDispatcherInterface to extend EventDispatcherInterface * added RegisterListenersPass (originally in HttpKernel)
2.1.0
* added TraceableEventDispatcherInterface * added ContainerAwareEventDispatcher * added a reference to the EventDispatcher on the Event * added a reference to the Event name on the event * added fluid interface to the dispatch() method which now returns the Event object * added GenericEvent event class * added the possibility for subscribers to subscribe several times for the same event * added ImmutableEventDispatcher