I am not sure if I am guessing something wrong here, but I noticed the date on my profile is informing the current date instead of the date when I really joined the platform.
It is displaying this today (08/10/2017):
Although I am using Top Topic for some days now as my first post dated the first date of this month (08/01/2017) can show:
I could be wrong, but I think it is happening on the profiles of other users as I checked the user attached to the first notification sent/received, surely before today:
However others are not experiencing this, like the previous bug reporter, for instance:
Well, I appreciate the attention and I hope it helps somehow!