The Kunena team has announce the arrival of Kunena 5.1.8 [K 5.1.8] which is now available for download as a native Joomla extension for J! 3.9.x. This version addresses most of the issues that were discovered in K 5.1 and issues discovered during the development stages of K 5.1. This is a Security release. Fixes 3 XSS security issues.