In addition to announcing new YouTube TV markets, Google today announced a nifty new feature for the core YouTube app, too.

In the coming weeks, the YouTube mobile app will gain the ability to adapt to whatever size video that you’re watching. That means whether you’re watching a square video, the YouTube app’s player will adapt and fill the screen like you’d expect, rather than giving you black bars on the sides of the video.

There are several different ways for a video to be shot, including square, 4:3, and 16:9, and so this YouTube mobile app update will help you to better watch the video without having to jump straight into full screen. It’s not a huge change, but it’s a nice little improvement to make YouTube viewers’ lives better.

Also announced today is that YouTube plans to begin spreading its new video sharing feature more broadly soon. It’ll arrive in Latin America in a couple of weeks, then spread throughout the U.S. shortly after.