Excluded Domains Fails

Win11, Edge Version 110.0.1587.46 (Official build) (64-bit)
I have added Vanguard.com to Excluded Domains.
However, each time after login at the login sub domain, BW consistently prompts to save the credentials even after I reject the prompt each time.
I have also tried adding the explicit login sub domain which hasn’t worked.

I see no traffic about this issue so assume I must be missing something?

According to this, there might be an issue with excluding sub-domains:

Yep, turns out I missed one of the sub domains that are passed through during the login process. After adding the additional sub, it now is excluded. Thanks!