Video calls work “seamlessly” for both portrait and landscape orientation, and the desktop client is “set to be always on top so you never lose your video chats in a browser tab or stack of open windows,” the firm said, which began testing the feature with a small group of users on desktop late last year. WhatsApp is rolling out support for voice and video calling to its desktop app, the Facebook-owned messaging service said Thursday, providing relief to countless people sitting in front of computers who have had to reach for their phone every time their WhatsApp rang.įor now, WhatsApp said its nearly five-year-old desktop app for Mac and Windows will only support one-to-one calls, but that it will be expanding this feature to include group voice and video calls “in the future.”