Facebook suddenly won't stay in dark mode and aaarggh, my eyes!

via https://ift.tt/xPEtqBW Did I say aaarggh, my eyes?

Aaarggh, my eyes!

Following the latest app update on iOS, my Facebook app keeps reverting to light mode, no matter how many times I set it to dark mode.

At first I thought it was a temporary glitch. Then I thought I was going mad. But then … Facebook suddenly won't stay in dark mode and aaarggh, my eyes!