In the WordPress post Gutenberg world there are fundamental shifts in both user and development workflows, and moving forward that means how we develop themes for will also change. Let’s look at the current status of theme development, how you can get started taking advantage of the core editor right and how we can begin building themes for the future. Specifically, we’ll cover: • How to modify existing themes to take full advantage of the new editor and blocks. • Adding Theme Supports and Block templates to existing themes • What’s the difference between Block Enabled and Block Based Themes • Upcoming enhancements for Full Site Editing and Global Styles and how this will affect theme development.