According to the official website Queen of the Desert will be released in late 2015 or early 2016.  Now it makes sense why we haven’t had more release dates or that they are tired of being harassed with the same question over and over:

Thanks @QueenfilmFan for the heads up.

And whilst I’m here I noticed the other day that the stills of Rob on the official site were slightly larger than the ones originally unleashed (or maybe it was just my saving skills), but in any event – here they are again for your viewing pleasure.  Click for HQ.