There are many user-facing Customizer improvements in 4.9, including: drafting/scheduling of changesets, autosave revisions, changeset post locking, frontend public previews, a new experience for browsing and installing themes, updated nav menu creation UX, and the code editing improvements for the Custom HTML widget and Additional CSS. But in addition to all of these, there are also many … Continue reading Improvements to the Customize JS API in 4.9