The generated RSS content from issue navigator don't support XHTML latin characteres (http://www.w3.org/TR/xhtml1/dtds.html#a_dtd_Latin-1_characters) during xml parse from a rss/xml utility. The XML parse result the following error message: The entity "ecirc" was referenced, but not declared. Other error messages occurs for other latin characteres entities like the instance described above. Some issues content and site content contains XHTML automaticaly encoded characters that was persisted into the database (e.g. &ecirc. Then, the generated rss content will be contains this characteres that aren't recognized by a rss/xml utility parser. The attach contain a generated rss file that show the problem. This files contains entities not recognized like ê and &ccedil equivalents to the characters "ê" and "ç", respectively. May be this issue affects other jira versions.