PSA: How to easily autofill using the new browser extension UI

In addition, each of the available autofill methods can also directly autofill the TOTP code (no pasting required), but unfortunately, this only works on a small number of websites (because Bitwarden only has a list of 18 keywords used for recognizing TOTP input fields). There is a feature request that would significantly improve the functionality of TOTP autofilling, by allowing users to define custom fields linked to the TOTP code: