Today Apple released a new version of the 16" MacBook Pro. The new model includes a new AMD ATI 5600M graphics card with 8GB of of HBM2 memory.
Alongside the model a new Supplemental Update for macOS Catalina 10.15.5 (19F2200) was released.
Forked 10.15.5 Build for new 5600M 16" = 19F2096
Forked 10.15.5 Build after Update = 19F2200
New Forked 10.15.5 Full installer.app was also released
This update is ONLY for the new AMD Radeon Pro 5600M equipped 16″ MacBook Pro.