New selectable standard 16: 9 (HD) for the thumbnail slider gallery

Hello, I'm trying to create a thumbnail slider gallery with 16: 9 (HD) aspect ratio. There are specifications for landscape formats 4:3, 3:2, 2:1, 3:1, 4:1, but unfortunately the commonly used 16:9 is missing. If I select "inherit" as aspect ratio and thumbnail ratio and fill the gallery with 16:9 images, there seems to be a bug (reported here: https://www.kadencewp.com/support-forums/topic/advanced-gallery-thumbnail-slider-image-ratio-169-possible/#post-265536). The best thing would be a new selectable standard “Landscape 16: 9”, because then the gallery could also be filled with images of different aspect ratios. Thanks and Greetings Martin