Just thought I'd pass this on to adopters of the new RX10MkV. The update 9.11 Photolab now supports all aspects of the RX10MkV's RAW files which is a nice update for those that want to use their "Lossless RAW" features. To do it with Luminar one has to convert to DNG first to do so. Others to my knowledge do not support it. Forget about Adobe even if it does support it. They are NOT in the league of those other 2. Currently DXO has the finest noise reduction. I have no doubt one would easily be able to shoot at ISO6400 on a RX10MkV processed through DXO would look dang nice retaining detail as well.
DXO cannot process the 2026 recent camera's lossy compressed ARWs. Lossless RAW is not the problem.
DxO PhotoLab/DxO PureRAW/DxO FilmPack does not support compressed RAW formats such as mRAW or sRAW because these are not true RAW formats, despite the name: in these cases, the processing is applied to the images by the camera, which limits DxO PhotoLab's range of processing options.
It's possible for a camera to be supported (RAW included) without its various compression modes:
Canon: mRAW and sRAW are not supported, while cRAW is supported.
Nikon: RAW-S.
Sony: mRAW, sRAW, Compressed HQ and Compressed are not supported.