https://techcrunch.com/2020/03/04/messenger-hits-the-mac-app-store-in-several-markets/

At Facebook’s 2019 F8 developer conference, the company announced plans to introduce desktop apps for its popular communications app Messenger. Now, less than a year later, the Messenger Mac App is beginning to roll out. Though not yet available in the U.S., Messenger for Mac has popped up the Mac App Store in several non-U.S. markets.

We asked Facebook to confirm whether this signals a broader rollout that will include the U.S.