I posted about this back in 2014, I'd like to refresh the query: I'm scanning jpeg images of book pages and want to monitor the quality of each page as it is scanned to a folder. The Viewer Pane is the logical place to do that, but I have to interrupt my scanning to click on the latest image to get the Viewer Pane to update and display it. If I sort the folder display by newly created at the top, I can see a thumbnail of the latest scanned page, but that's too small to see quality details.
Is there a way to have the Viewer Pane refresh to show the latest addition to a folder, or the topmost or bottom-most file, etc.? My current workaround is to set the Max Thumbnail Size to 1024 and then I can see each updated image scroll at the top of the folder (sort by latest created or reverse file name). Obviously this isn't what thumbnails were designed to accomplish and it uses a lot of cache and memory.