I use masks to blur parts of my images, and in 99% of cases I use them inverted. Older version memorized this and the new version does not memorise the fact I used inverted mask just seconds ago, so for every new mask I have to additionally click on invert checkbox, which together with the fact I have to use masks now and create new ones with additional clicks, slows down my workflow.
Please include Invert option to be remembered by Lightroom mask from the previous usage of the mask.