The vertical stream will just have a cropped or letterboxed view, as usual, depending on the content. AI-generated livestream highlightsMeanwhile, as for actually watching streams themselves, YouTube’s making it a bit easier for creators to create highlights from their streams. Live reaction and streaming 'Playables'Credit: GoogleFinally, there are two additional features that are set to make it a lot easier to promote content via YouTube. The second is the ability to stream YouTube’s “ Playables ” browser games with the touch of a button, again without needing to capture the gameplay yourself. YouTube says this should come to some creators next month, ahead of a larger rollout later this year.