Below you’ll find the updated patches which allow a smooth upgrade to macOS Catalina.
Depending on the SMBios you choose the system may panic on AppleMCEReporter. To fix this simply inject this kext, https://files.amd-osx.com/AppleMCEReporterDisabler.kext.zip
Again if the system fails to boot your system may be reporting an EC device. Simply load this SSDT to fix that, https://files.amd-osx.com/SSDT-EC0.aml