RetinaPad has nothing to do with it. Facebook isn't even an option in RetinaPad with the updated app, and I'm running both without an issue--was with the JB'd FB app as well. Here's a screen shot of the same site just a couple of minutes ago.
Start with the obvious--respring, hard reboot, reinstall FB. And are you running BytaFont? It affects the contents in the iPhone version, so it may in the iPad version as well.