It looks like it has been updated unless I am not reading it correctly.
https://github.com/dani-garcia/vaultwarden/releases/tag/1.30.0
"Added passkey support, allowing the browser extensions to store and use your passkeys, make sure the extension is updated to version 2023.10.0 or newer for passkey support."
CEO must need a raise. Can't let them go broke now can we