[Success] Catalina 10.15 - Gigabyte Z77-DS3H rev. 1.1 - Intel Core i7-3770K - Intel HD 4000 & Radeon HD 7770 - 1TB SSD

Machine was running Mojave 10.14.6 perfectly from a previous clean install.

Process to update:

1. Downloaded and updated Clover to the latest 2.5K version.

2. Downloaded the latest version of the Lilu, Whatevergreen, and AppleALC.

3. Updated said kexts in the Other folder of Clover.

4. Vanilla updated the system from the Update application.

Everything works perfectly.