Hey there,
I'm successfully running Ventura 13.4.1 with OC 0.9.2.
I have updated the EFI with the latest kexts and OC 0.9.3 but the computer reboots continuously. Strangely, OC Auxillary tool tells me the EFI is compliant with OC 0.9.3.
I had to go back to 0.9.2, so no big trouble for me...