Apple has just approved the 1.2.5 update of Sheepstacker. This update fixes the issue that users were having which caused high scores to not be recorded, either offline or online. The update should be available in the App Store shortly.
We apologize for the inconvenience this issue caused our players. As always, our support link is available if you find you are having problems with one of our games. We will always give our best efforts to resolve any issues you may have with our games.