Joomla recently released version 4.4.0 of their awardwinning platform.
We have a number of customer sites on Joomla 4.x, and within hours of this release we had upgraded all affected portals accordingly.
More info on this release on: https://www.joomla.org/announcements/release-news/5900-joomla-5-0-and-joomla-4-4-are-here.html