Mind confirming if this is now fixed for you - I just cleared VB's signature cache.
Nope. Here is an example: .
I don't know how long exactly either but I've been noticing this for quite a while, I just hadn't thought to say anything because I imagined other people were probably having the same issue so someone else had alerted your attention to it . I changed it to my present one at least a month ago too. But even in this post the old one is showing up.