Sharpen AI 4.1.0 DNG problem

I have another problem with Sharpen AI. If I edit a DNG file and also want to save it as DNG, I get a thumbnail photo of 256 - 172 pixels and 148MB in size.
How do I solve that?
See PrtScn.

What application are you opening it in? Does it not show correctly?

This was a issue a while ago but has been fixed for a while.

Opened with Microsoft Photos.