Joomla hits 16 tomorrow and with it a major release.
We've waited a long time for Joomla! 4.0 and its finally here.
https://www.joomla.org/announcements/release-news/5843-birthday-present-announcement-joomla-4-stable-17th-august.html
We've updated our site to 3.10 and will be staying with the 3.x architecture for the forseeable future.