as i asked some time ago, we need to have option to set sample number per frame for animations. (also number of bounces would be welcome) while exteriors looks more or less decent in animations, the interiors still look noisy. below you can see a short demo (with and without DLSS) which shows how noisy and poor is the interior with just a sun and a hdri. while the still image is much cleaner.
and the still image: