WordPress 4.9 has been released today.
The main features are:
- New widgets: Gallery widget, Add Media button
- Customizer workflow improved with design drafts, scheduling, and locking, along with preview links
- Coding enhancements with syntax highlighting and error checking in the code editor
- Site building Improvements: more reliable theme switching, improved theme switcher, better menu instructions
- and much more
More details are available on WordPress.org
Don’t wait to upgrade your site to WordPress 4.9.