Till 10.15.3 i have updated without any difficult.
But, for 10.15.4, i got stuck at installation.
I have the kext, and other required files as per attachment.
I have updated Lilu, Whatevergreen, AppleALC and Clover to 5107.
I have put SSDT-EC.aml in \EFI\CLOVER\ACPI\patched
I have successfully installed High Sierra in my newly build PC.
But, for enabling Intel UHD 630 iGPU graphics, I followed post Intel Frame buffer patching.
the hackingtool shows the recommended SMBIOS as MacBookPro 15,1.
But, i could not get serial number for the model. The Clover...