The Kunena team has announce the arrival of Kunena 6.3.0 [K 6.3.0] in stable which is now available for download as a native Joomla extension for J! 4.4.x/5.0.x/5.1.x. This version addresses most of the issues that were discovered in K 6.2 and issues discovered during the last development stages of K 6.3
Question
Problem with the full editor after upgrade
Just upgraded Kunena to 5.2.1 and after that the textbox in the full editor was not visible. I found out that JCH Optimize caused it and when I made and exception for Kunena in JCH Optimize it worked normally