As I can read properly ...latest BIOS publish on web page, for X570 and B550 is with AGESA V2 1.2.0.7, long time ago.
Other I didn't check.
However,
you can always inquiry latest BIOS from GB Technical support....

Given reason many times in the past (need to read or search).
In short...if Asus (or MSI) want to jump from bridge (San Francisco..GG..hehe), should Gigabyte follow ?
They have strict agreement (NDA) with AMD, when to release and of course in the house decision if is worth to r...

https://winraid.level1techs.com/c/sp...ment-engine/24

UEFI back to AWARD...

Only this....
https://www.gigabyte.com/Motherboard...upport-dl-bios...

He asking for AGESA 1.2.0.3C, you posting him AGESA 1.0.0.4B, 3 years ago.
Really.........

Need to check 11 months ago, what is posted in this thread.....I can't remember, sorry....

F36b...Feb 16 2022

F36c...Mar 01 2022

Where you see same date?
Or maybe I need visit ophthalmologist....

What's wrong with date ?...Mar 01 2022

1. Update AMD AGESA V2 1.2.0.6 B for upcoming new CPU support
2. Reappear the option of Max CPU Boost Clock Override for Vermeer

...

X570 AORUS Master - F36c

- AGESA V2 1.2.0.6 B
- 03/01/2022...