Time FrameJune 28, 2017
Rey and C3PO were added to the Star Wars: A Galaxy Far, Far Away show when it returned from refurbishment June 28, 2017.
June 28, 2017: Rey and C3PO were featured in the Star Wars: A Galaxy Far, Far Away show when it returned today from refurbishment.
April 18, 2017: On DisneyAuditions.com (and later re-posted by WDWMagic.com user MisterPenguin) Disney issued a casting call for both Rey and C-3PO walk around characters. The role these characters will play is unknown, but it does appear that Disney intends to use them in some capacity.
April 14, 2017: A walk around Rey character appeared at the Star Wars Galactic Nights event.