I'm pretty sure there was a post about how to update the quest database or provide info so it can be updated but I can't seem to find it.
N'zoth dailies and assaults display in Carbonite:Quests but the progress tracking is inconsistent when it comes to the daily lesser vision quests. For example, the Vanquishing the Darkness (quest id 58156) should have a progress bar/percent similar to the Assaults but it doesn't in Carbonite. The other lesser vision dailies are all "kill/collect number of things" and those counters show up fine.
If there is a way for us users to contribute/update quest data, I'd like to help whether it's uploading data, opening tickets in github, I could even take a crack at updating the appropriate quest LUA.