When using my brand new Galaxy S21 Ultra in Pro Mode and importing raw DNG images into Lightroom Classic 10.1.1 the Noise Reduction module does not work at all. (Other basics do, such as exposure, saturation, etc.) Yet, my DNG files from my prior Galaxy S20 Ultra do just fine in Lightroom along with DNG files from other devices such as my drone. This problem was duplicated and verified by another user in the Lightroom Classic forum.
Footnote: I also received this error message when attempting to upload this image to the Adobe Support Community - Lightroom Classic forum.
The attachment's 20210205_235657.dng content type (image/DNG) does not match its file extension and has been removed.