Resident Evil 7 has been in production since at least November 2012, according to an ex-costume designer for motion capture and animation studio „House of Moves“.
On her LinkedIn page, ‚Karen Brakenridge‘ stated that she worked as „Costume Designer for the video game Resident Evil 7“ from November 2012 until January 2013.
Well, that part has already been removed, which could mean that Capcom wasn’t too happy with the early reveal.
Since RE6, Capcom has only released Resident Evil Revelations HD, a visually upgraded version of the 3DS title. However, it is yet to officially announce a full sequel.
Official Source: http://gematsu.com/2013/10/resident-evil-7-spotted-on-costume-designer-resume