Photons To Photos published their Panasonic SR1 sensor measurements for the new 47.3MP full-frame CMOS sensor (above comparison with Nikon Z7 and Sony A7R3).
FYI: the Phase One IQ4 holds the current record for highest photographic dynamic range, highest low-light ISO, and highest low-light EV among all sensors tested by Photons To Photos to date (the last two by a substantial margin over the runner-up, the IQ3):
