The links below are to articles reporting on Kindles and Kindle Apps to soon have the ability to sort by read and unread.

For more visit:
– https://goodereader.com/blog/electronic-readers/kindle-e-readers-will-receive-sort-by-read-and-unread-soon
– https://blog.the-ebook-reader.com/2019/03/25/kindles-going-to-get-ability-to-sort-books-by-read-and-unread/
– https://ebookfriendly.com/kindle-ipad-app-new-feature-filter-read-unread/