check https://wiki.documentfoundation.org/QA/Easy_Hacks
the URL https://bugs.documentfoundation.org/buglist.cgi?bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&product=LibreOffice&query_format=advanced&status_whiteboard=EasyHack%20DifficultyInteresting%20TopicQA&status_whiteboard_type=allwordssubstr&ctype=atom is totally valid and shouldn't display
Failed to load RSS feed from https://bugs.documentfoundation.org/buglist.cgi?bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&product=LibreOffice&query_format=advanced&status_whiteboard=EasyHack%20DifficultyInteresting%20TopicQA&status_whiteboard_type=allwordssubstr&ctype=atom: Error parsing XML for RSS
It simply should either not displaying anything or give a custom message like "no feed entries found" or the like...