YouTube for Android updated to version 6.0.11 with Material Design
Keep in mind that the update has just started getting pushed out, and might not have hit everyone yet. If you feel comfortable sideloading the app, you can find the APK by clicking on the sourcelink.
Mobile YouTube has come a long way since those ads for the original Apple iPhone, showing that now famous bulldog riding a skateboard. Many top news stories are taken from YouTube accounts. This crowdsourced look at what is going on in the world gives us an important, uncensored look at the news. With the new update, finding such videos should be easier than ever.
source: APKMirror via Phandroid