Originally FoV was estimated as an August / September release. The add-on is essentially done, as the updates described (don't know how long the QA is expected to be, or at what point that is at), and the release date now stated as 'summer'.
I doubt very much there would be a June release (Larian hasn't finalized whatever they are doing with the Xbox version, etc), but if the QA is done and there is only production and distribution to take care of (and marketing, presumably), then a July release is theoretically possible.