Joomla 3.8.3 is here - a bug fixes release!
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The Joomla project team has released version 3.8.3 that contains over 60 bug fixes and improvements (PHP 7.2 compatibility and performance improvements).
Community Builder 2.1.3 and all Joomlapolis add-ons work just fine with Joomla 3.8.3.
This is a recommended upgrade for all Joomla 3.x series sites. As always, before any Joomla upgrade on your live website, take a backup just in case anything goes wrong.
You can learn more about these bug fixes and the improvements by reading the Joomla 3.8.3 announcement.