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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Whenever you modify any CSS file and look again at a webpage that uses that file, most of the time your browser will be using the cached version of that file instead of the one stored on your webserver. It's a common misunderstanding.
You need to force a page reload to get the modified CSS file from your server to see how the changes you've made work. In Firefox, this is done by pressing SHIFT+F5 (other browsers do things slightly differently).
I am always a victim of this problem. I always seem to forget to reload the web page after applying the CSS on a specific page. It is also common that developers do not appropriate an specific style sheet to which page it is really particular to. I hope something like jcreator comes up for web development, dreamweaver does not come up to expectations anyway.