Discovered my RSS feed was truncating my posts because my Life On Mars/Ashes to Ashes post was so long..... turns out there's no setting to toggle this in the OctoberCMS RainLab Blog, I had to go edit some code.
In case this ever turns out to be something you want to fix, you should change post.summary to post.content_html in /plugins/rainlab/blog/components/rssfeed/default.htm
post.summary truncates your post, while post.content_html shows the whole thing. if you pass that into |raw , this will not escape the HTML characters, which is nice on a template page where you need it to parse something,...