Older Zen 1 CPUs benefit from newer AGESA versions, AMD should lift the block & allow motherboard manufacturers to release newer BIOS updates : r/Amd
ASUS Offers AMD AGESA 1.2.0.3 BETA BIOS Firmware For ROG Crosshair VIII Series Motherboards
ASUS Announces UEFI BIOS Support & AGESA 1.2.0.7 for AMD Ryzen 7 5800X3D & new AMD Ryzen 5000, 4000 Series CPUs for ASUS AM4 X570, B550, X470, B450, X370, B350, A520, and
AMD AGESA Firmware To Be Replaced By openSIL For Future CPUs Across Client & Server Platforms
Ryzen Boost Clocks vs. BIOS: AMD AGESA 1002 vs. 1003a/b Differences - YouTube