Don't Worry Darling

Alice (Pugh) and Jack (Styles) are lucky to be living in the idealized community of Victory, the experimental company town housing the men who work for the top-secret Victory Project and their families. The 1950’s societal optimism espoused by their CEO, Frank (Pine)—equal parts corporate visionary and motivational life coach—anchors every aspect of daily life in the tight-knit desert utopia... More here.

I was late to this film, but if you haven't seen it you really should (in my humble opinion). I would, however, like to know if the ending has been proved conclusively either way (trying not to chuck in a spoiler!).