This JCE plugin has been tested with JCE v2.015-v2.0.19 for J1.5 and FLEXIcontent v1.5.x, it should work with all v2.0.x JCE versions
It allows you to create internal links to FLEXIcontent categories, items and tags.
This plugin is not a standard Joomla! plugin. You have to install it through JCE plugin installer.
You don't need to uninstall a previous version. The upgrade procedure is automatically managed by the package. Install it again and all files that requires to will be updated.