Facebook Messenger added its dark mode earlier this year, and we're getting the first signs that the social network's main app will follow suit. Reliable researcher Jane Manchun Wong found that Facebook is testing a darker color scheme on the Android version of its app.
However, she noted that this feature seems to be in an "early stage of development" -- it's only appearing on the app's Groups tab with some dark text displaying against a dark background, making it tough to read. So it might be a while before Facebook's mobile dark mode gets a wide rollout.
The company didn't immediately respond to a request for comment.
Last week, Facebook's Messenger Kids, a version of the messaging app designed for 6- to 12-year-olds, came under scrutinyafter a flaw let children chat with people by their parents.
First published at 3:01 a.m. PT.
Updated at 3:20 a.m. PT: Adds more detail.