Google's video chat app Duo has always been a pretty lightweight app, seemingly focused primarily on keeping the interface simple and prioritizing video and audio quality over flooding it with features. We've seen a few features slowly emerge over the last couple of years, and just about as many have been implemented and subsequently removed before launching. While we wait to see the eventual launch of a favorites list for contacts, there's another new feature in development that may liven up your video chats: Drawing mode. There's also another reminder that group calling is on the way.
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