Yes. there indeed is a V4, I got mine today! It's pink with stripes, with white and salmonish stripes. It's cute. IT EVEN GLOWS IN THE DARK. I already have 5 V3's, so I was really excited about my V4.
^_^
Here's a random picture/drawing LOL
https://artpad.art.com/?jcegfexjda0
^.~~~~~~~~...