Friends list notes

What I'd LOVE to see out of this game to, in my eyes, just make it perfect, is for them to add a Short Message like notes system for the friends list. Doesn't have to be anything big either, something like a 25-50 character limit pop-up text box that's put next to short messages would be lovely.

There's been far to many times where someone who I haven't spoken to in a while or had changed their name will PM me and go "Hey there!" and I end up going "Umm who are you again?", which is something I personally hate cause I feel bad whenever it happens. While I know groups are a thing, you only get 7(?) of them, and even then it doesn't really help the issue in the end. So PLEASE, even if it's not until 6.0, can we get this one small QoL improvement for those of us who suck at remembering people we don't interact with daily/weekly?