I just synced my RSS feed to Goodreads, and learned that Goodreads doesn’t support WordPress’s aside format, which I’ve been using for the better part of a year in order to microblog primarily on my own site rather than on other social media (which I should also be doing, but…).
When I started the microblog, I read that in the past, users of the aside format would put an infinity symbol at the bottom of the post containing the permalink. I might have to start doing something like that as my first line. If Goodreads is turning the first line into a default title, it’s possible that other RSS readers are doing something similar.