Twitch just removed a long-standing headache for its creators. The Amazon-owned platform announced at TwitchCon Europe that Dual Format streaming will roll out to all users next month. Streamers can now send both a horizontal layout for desktop viewers and a vertical one for mobile at the same time. Viewers on phones see a full-screen portrait experience. Those on laptops get the familiar landscape view. No more choosing sides. The feature builds on years of complaints. Mobile traffic on Twitch has grown steadily. Yet creators faced an awkward choice. Optimize for phones and desktop audiences feel shortchanged. Design for wide screens and phone users see cropped or letterboxed content. Dual Format ends that compromise. One stream. Two perfect views. According to Engadget , the announcement came alongside several other updates including expanded 2K streaming support and new clip tools. Twitch began testing the capability last August. The beta phase involved select partners. Now it opens wider in June 2026.…