This choice is weird for a product based on Symfony, which, by default, includes the Twig engine. It means that it requires every Symfony dev (this CMS target)

This choice is weird for a product based on Symfony, which, by default, includes the Twig engine. It means that it requires every Symfony dev (this CMS target) to maintain (at least) their brain plugged on two template engines.. Maybe the OP could explain?