Michael Cullum is joinong the Symfony Core Team to lead the security team.
In Symfony 4.1, event listeners that define just one method can define an __invoke() method instead of a named method.
Symfony 4.1 defines a new discriminator class mapping for the Serializer component so you can serialize and deserialize from abstract classes and interfaces.
This year we'll see the Cologne edition of the SymfonyLive conference in Germany move to Phantasialand theme park. There's still time to submit your proposal to deliver a talk.
We will sunset the symfony 1 infrastructure at the end of February 2018.