I am having the same issue and found the iCX sensors missing after v5.70.3300. I just tried the latest version and they are still missing.
Edit: Never mind. I extracted v5.73.3340 again and started having "SYSTEM_SERVICE_EXCEPTION" BSOD launching it after a "HWiNFO64 Stopped Working" error message. This happened several times, so I deleted the INI file and launched HWiNFO32. That worked fine and the iCX Sensors are shown. I deleted the original EXE and INI files and extracted them again, then deleted the HWiNFO64.INI file. I launched HWiNFO64 again, forcing it to create a new INI file and it launched with no error message and the iCX Sensors are there again. Weird. But, all is well that ends well.
v5.70.3300
v5.73.3340