Overcoming Twig fear in Drupal 8 Front End

Twig replaces PHPTemplate as default template engine in Drupal8. This is a major change in Drupal Frontend. My session will focus on:

1. Major differences in PHPTemplate & Twig templating engine and How it changed the Drupal frontend.
2. Playing with variables in Twig.
3. Best use of Devel & Kint modules to debug templates.
4. Security in Twig.
5. Inheritance in Twig templates.
6. Twig macros.

Any Drupal Themer with knowledge of Drupal 7 templating engine can attend this session.