Please be attentive, some of those topics are not related to wpDiscuz, they are related to wpForo forum plugin. And most of those are site specific issues and related to WordPress theme conflicts. Currently, there should not be any issue with myCred Integration plugin, unless your theme is also conflicting with CSS. Those are a small issues and could be fixed very easy using a quick CSS code. Just let us know if you got any.
However, the new version of wpDiscuz and wpDiscuz myCRED Integration is totally redesigned and should be more solid. The wpDiscuz 7 major version stable release comes in 1-2 weeks. The new version of wpDiscuz myCRED integration will be released with wpDiscuz 7 as well. We're sure, this kind of issues will be very rare. Just wait for the wpDIscuz 7 version release or try the current version, it in 90% cases has no any conflict with WP themes.