According to the latest Patch notes they will have a real fix for On Demand Patching.

thevampinator

This is good news for players that have been hit hard by this and unable to play the game, well I think I have always had it on and well does not effect my game at all but I know others can't play because of this issue so, cheers if it works.

https://www.arcgames.com/en/games/neverwinter/news/detail/11005193

jade1280

Yes.
Yes they do.