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Bitwarden has launched a new authenticator app
(bitwarden.com)
This is a most excellent place for technology news and articles.
It really depends on your threat model. It’s not a one size fits all thing.
For instance in some threat models you shouldn't have TOTP auth and passwords on the same device, let alone the same app, but the vast majority of people are not going to carry two devices because of how inconvenient it is.