The Kunena team has announce the arrival of Kunena 7.0.4 [K 7.0.4] in stable which is now available for download as a native Joomla extension for J! 5.4.x/6.0.x. This version addresses most of the issues that were discovered in K 6.2 / K 6.3 / K 6.4 and issues discovered during the last development stages of K 7.0
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The new Kunena menu tabs looks great, but unfortunately they dissapear when the mouse is hovered over them and do not return when the mouse is moved away. The result is that all of the menu tabs can be made to dissappear simply by placing the mouse over each one. They all return when the page is refreshed but the problem persists on mouse over every time. I have tried using a different template (Euro Blue) but the same problem persists. My template use mootools 1.1 optionally, so I have switched it off. But it also loads javascript. So I guess its a JQuery no conflict issue, needing a no conflict solution. But how and where should I apply it. I did see someone that Kunena 1.6 implements Jquery no_conflict to stop this sort or problem. So I am not sure why its happening.
Euro Blue template was not developed (and therefore is not supported) by the Kunena project team.
Further information about jQuery conflict see Mootools 1.2.4
Mootools 1.1 is not supported by Joomla from J 1.5.19 (see
K 1.6 Technical Requirements). I hope this information helps clarify some of the issues that you seem to be having.
Just to clarify. The problem it is not with the Echoblue theme. The problem is that the menus in the default Kunena 1.6. template disappear on mouse over and do not return. And since the text in these menu tabs is white the entire menu effectively disappears. Mootools 1.1 or JQuery conflict with mootools is not the problem as I have mootools in my template turned off. I tried Echo blue to see if the problem happened with other templates. The fact that it does, shows that the problem is with the Kunena tabs themselves, whichever template is used. Please advise.