Even if your PC seems to be working fine, you should still update the BIOS.
ASRock releases AM5 BIOS with AGESA 1.3.0.0a to fix Ryzen 9000 no-POST issues, memory training errors, and boot instability.
ASUS releases BIOS 2102 with AGESA 1.3.0.0a to fix BitLocker recovery loop issues on AM5 600 and 800 series motherboards.