Not the theme, no. The only notable thing I can think of that was upgraded recently was the plugin itself (now version 1.8.2) along with WordPress core to the latest ver. – it had worked fine in the past.
The embed shortcodes, for example, will work in any other WordPress page, but not within a WP Forum Server post.
I’m also getting this issue recently. Shortcodes of any kind don’t appear to process, they are just output as plain text