On our support forum we’ve been informed that…

On our support forumSupport Forum WordPress Support Forums is a place to go for help and conversations around using WordPress. Also the place to go to report issues that are caused by errors with the WordPress code and implementations. we’ve been informed that if you make an upgrade to wp 4.0 at the end you have the 3.9.3 alpha. I tried an upgrade and it happens to me too.

Benvenuti in WordPress 3.9.3
Thank you for updating! WordPress 3.9.3 has lots of refinements we think you’ll love.