Photons to Photos has posted a special edition chart for the new Sony a7R III‘s pixel shift mode compared to regular a7R III chart. From the DR chart, in pixel shift mode, a7R III has over one stop overall dynamic range increased over Sony a7R III.
Tony Northrup has just posted a video comparison on new released Nikon D850 DSLR camera. Compared to D810, 5DS R, a7RII, E-M1 Mark II, it seems that D850 is much better than D810 and EOS 5DS R, while similar as Sony a7RII and E-M1 Mark II. You can take a look at the video review above.