You can download the update today with the integrated Updater directly in your NeoFinder, or get it from the official NeoFinder web site: https://www.cdfinder.de/download.html
As always, we will post everything about the details here and on our social media accounts in the next weeks.
JPEG XL is a very powerful photo format that allows substantially better compression than JPG, and is most of all a completely royalty-free and open standard. It allows for transparency (alpha channel), even lossless encoding, if required.