OBS Studio 31.1 beta adds multitrack video support to Mac & Linux, and Windows ARM support

OBS Studio 31.1 beta introduces multitrack video support for macOS (Apple Silicon) and Linux, expanding key functionality beyond Windows systems for streamers and video creators. Additional canvases for multitrack video output are now available, enabling more complex media compositions. At the same time, this beta adds experimental support for Windows on ARM devices, although not all features are currently enabled for this build.

With this release, users gain new UI customization options, including font size, density, appearance adjustments, and preview zoom controls. Following these appearance upgrades, the beta provides AV1 B-frame support for the Advanced Media Framework (AMF), and activates GPU-based color format, space, and range conversion to streamline video processing. Network optimizations and TCP pacing have also been extended to multitrack video, with added support for stream delay, providing greater control over live-stream workflows.

For macOS, spatial adaptive quantization (AQ) is now available for VideoToolbox encoders on macOS 15 and above. On Linux, the update introduces quality-variable bitrate (QVBR) for the VA-API and explicit sync support for PipeWire screen capture. OBS Studio 31.1 beta also enables V4L2 virtual camera support on non-Linux systems and allows hardware-accelerated browser source on Linux, although this is disabled for NVIDIA GPUs due to inconsistent feature support between driver and hardware versions.