Let me pre-emptively apologize for "cross posting" this issue from the Support forum. I'm not sure whether this should be filed under support or bug reports, however, based off Kenneth's reply, I'm going to cover my bases here.
On past versions, we've utilized the "Show posts from categories" option under Slider options (Category is "Slider"). After updating to the latest Wordpress and Graphene updates yesterday, this now displays Wordpress Pages (which are NOT categorized), rather than Posts with the "Slider" category designator.
Right now, I'm displaying items via specific post IDs, however, we need to restore this back to its original functionality and do posts by category.