Yes, x570 boards can run Zen 3 without a BIOS update.
Yes, x570 boards can run Zen 3 without a BIOS update.
You're checking if your Asus Rog x570 e needs a BIOS upgrade for Zen 3. It's good to verify before purchasing a new board.
Unless you encounter bad luck, new X570 boards are likely already updated for Zen 3. If you do face issues, the motherboard includes a "BIOS FlashBack" tool that lets you upgrade the BIOS without needing the CPU or RAM installed. Either way, you should be ready.
It's clear you're curious about the recent updates. Just to confirm, there was a bios feature that appears to have been included? I wasn't sure if everything was fully refreshed at that time.