LastPass has a 'Secure Notes' feature which is basically a password entry with no username/password/url associated with it.
It would be nice to see a differentiation between standard username/password combinations and 'Secure Notes' which are typically longer and might contain line breaks etc.
We will definitely be adding notes in a future release.
This is now available in v1.20.0
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We will definitely be adding notes in a future release.