Facebook says it is testing its Messenger app for macOS, which was first announced last April, in several non-US markets, including France, Mexico, and Poland (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch:
Facebook says it is testing its Messenger app for macOS, which was first announced last April, in several non-US markets, including France, Mexico, and Poland  —  At Facebook's 2019 F8 developer conference, the company announced plans to introduce desktop apps for its popular communications app Messenger.