| ⇢ | A | PurgeTagsListener added |
| ⇢ | B | HttpProxyClient::splitLongHeaderValue() added | |
| ⇢ | B | PurgeTagsListener::handlePurgeTags() added | |
| ⇢ | A | PurgeTagsListener::getOptionsResolver() added | |
| ⇢ | A | Symfony::invalidateTags() added | |
| ⇢ | A | PurgeTagsListener::getSubscribedEvents() added | |
| ⇢ | A | PurgeTagsListener::__construct() added | |
| A | ↘ | B | PurgeListener::handlePurge() got worse |