Twitch New Dual Format Feature Streams Vertical and Horizontal Layouts Simultaneously.
Twitch Unveils 'Dual Format' Simultaneous Streaming and 2K Resolution Upgrades at TwitchCon Rotterdam 2026 At TwitchCon Rotterdam 2026 , the premier European gathering for the live-streaming community, Twitch officially announced a groundbreaking feature for broadcasters dubbed "Dual Format." This new tool empowers creators to encode and broadcast their live streams in both traditional landscape (horizontal) and modern portrait (vertical) layouts simultaneously. The structural upgrade optimizes the end-user layout in real-time: viewers accessing the stream via smartphones will automatically receive a native vertical feed, while those watching on desktop computers or smart TVs will experience the standard widescreen horizontal presentation. Server-Side Computation and Tiered Rollout The Dual Format architecture has undergone rigorous beta testing and remains entirely optional; casters can choose to disable the feature, which defaults the viewer experience back to th...