Similarly to the Progress widget (though without the separate object for each box, because each Leaderboard unit is just three text fields stacked vertically), AchievementLeaderboardWidget.UpdateData will now accept three options: destroy all and rebuild, update all, or update a set of rows.
As part of this, AchievementManager::GetLeaderboardsInfo has been refactored to GetLeaderboardInfo to return a single leaderboard for the ID passed in.
LillyJadeKatrin
c57be0efca