Symfony 4 is here soon, it is time to get ready, it is time to get dangerous. I tried to cover as much as I could and tried to pick most interesting topics.
Compose your Application • Recipes (Official, Contrib) • Depend on the individual Symfony Components • Bundle-less Application • New Directory structure • Environment Variables • Unified Web Front Controller • Defining compiler passes in the kernel • Symfony 3.3+
Service id • Controllers are Registered as Services • Auto-tagging with autoconfigure • Services private by Default • Named args • Local service binding
Core ideas, features and improvements by Victoria Quirante • Symfony 4 Run-through by Kévin Dunglas • Get ready for Symfony 4 by Christian Flothmann • Getting ready for Symfony 4 by Denis Brumann