I do not believe it was solved or available on 4.62.  I have a 4.62 install as well, and there's no Dynamic Content in it.  It wasn't added until CMS 5 R2.

So, you may have to hack something up with a text placeholder, then parse the HTML for it.  Or, could put a control in the template and show or hide it based on a property on the page?  "RSS URL" or something -- if that is set, use it to populate the control?

Take a look at the RSS.NET open source library. It's a few years old but it should be able to read RSS feeds into objects nicely. Then you can use those objects to render the RSS in any way you like in the page. There are probably numerous custom solutions for reading RSS out there too.