The leaderboard has been updated to be more consistent with other games' boards in the series by combining existing categories and creating subcategories. If you use LiveSplit's World Record component, you will have to change your Splits to point them to the right category again.

In your Splits Editor, change your Run Category to the game mode, then change the Game Level and Exploding Lift variables that come up in your Additional Info tab to the right level and scroll option. In addition, in your Layout Editor for the World Record component, you should have the box checked for Filter Leaderboard by Variables.