I just love the built-in OTP it offers. Handy and easy to use.
Of course with some accounts (be it email or whatever), I use stand-alone app (andOTP) where OTP is generated.
Wouldn't risk putting all the stuff (including account's own email's OTP generator) into Bitwarden. Even though it is secure, such things should be separated.
I switched from LastPass to MyKi a few months back. I quite like Myki and they're really good at responding to suggestions and support. You do need your phone with you to unlock the browser extensions though, and losing your phone means losing access to all your passwords of you don't have a backup. Other than that it works well, just a few times you have to keep re-sending the unlock request.