[5/6] - Upgrading From Symfony 3 to Symfony 4 - [Part 1/2] Migrating to Symfony 4.0 with Flex

Find the full video series and write up here : https://www.codereviewvideos.com/course/upgrade-symfony-3-to-symfony-4/video/part-1-of-2-migrating-to-symfony-4-with-flex Our code is now deprecation free. We're good and ready to migrate from Symfony 3.4 to Symfony 4. There's still more work to be done, however. The fun never stops. In this video we begin updating from Symfony 3.4 to Symfony 4 with Flex.