"Choose Best Photos" is not available in either downloadable desktop version. Please add this feature.
I love this feature, but it is only available in the web browser or mobile app. To use this with my workflow, I have to create a Collection and sync it to the cloud. Then switch over to the app or web browser to use this feature. Seeing it in two of the cloud versions, I am disappointed that it isn't at least in the downloadable cloud based Lightroom version.