Its still broken (no one rattled my chain).
1.18 has a checkbox on the cards cast tab of manual entry. If you enter in the number of cards cast and check the box, you don't have to enter in the times counted in the race tab.
The manual entry behavior changed a little as well. It used to be that GEMS would not let you off a given race until the totals were in check. All races now start off life out of check since the race times counted is implied by the cards cast. Now you can move between races that are out of check. You can't actually commit the results until all races are brought back in check though. The races that are out of check are drawn gray.