Thread:RubikJohn/@comment-33521817-20191030081658/@comment-25615841-20191030125908

I don't think so. There aren't really any options besides the ones you can filter at the top of your contributions page :/

This is a pretty roundabout way, but you could ctrl+f "Role Idea" and you'd get all your posts on the role idea forums. Again, this would be slow-