via wordpress.org => original post link
The third release candidate (RC3) for WordPress 6.4 is ready to download!
This version of the WordPress software is under development. Please do not install, run, or test this version of WordPress on production or mission-critical websites. Instead, it’s recommended that you evaluate RC3 on a test server and site.
WordPress 6.4 is slated for release on November 7, 2023—less than a week away. If you haven’t tried it, now is the time.