3.9.1?

I see some positive review that are listed by people who listed they have 3.9.1 but would like to hear a yes from anyone using 3.9.1. I am on WP 3.5.2 and want to upgrade asap. Thanks to anyone who lets me know a later version they are using than 3.5.2.

https://wordpress.org/plugins/lightbox-gallery/