With Drupal 8 launch marching forward people are more and more aware of Symfony as a brand. In addition to Drupal, many other CMSes like Pagekit, Bolt CMS and eZ Platform are embracing Symfony on the low level, letting the development teams focus on Content Management Concepts and Interfaces.
Watch this video discussing the changes Symfony is bringing to the lives of CMS developers. But in essence:
Symfony can be your US Dollar in the LAMP CMS world;
A universally accepted currency
The obvious missing kid from the party is WordPress who continues on it’s own path, even pushing some people to troll the developer team:
— Symfony News (@symfony_en) September 14, 2015