OBS Studio 32.1 Released With New Audio Mixer and WebRTC Simulcast Support

OBS Studio 32.1 introduces a new audio mixer, WebRTC simulcast support, improved browser source security, and numerous stability fixes.

Almost six months after the previous major 32.0 release, OBS Studio has rolled out version 32.1, introducing a redesigned audio mixer that integrates more closely with the interface and offers enhanced visual consistency, including palette support for the Light theme.

WebRTC simulcast support now enables simultaneous transmission of multiple video stream qualities. This feature benefits adaptive streaming workflows by ensuring viewers receive the optimal stream quality for their network conditions. Plus, the update adds undo and redo actions for scene items, now including settings such as scale filtering, blending modes, deinterlacing configuration, and field order.

Moreover, OBS Studio 32.1’s plugin manager now makes it easier to enable or disable missing plugins. The Edit Transform dialog has been updated, and default dock positions have been rearranged for better organization. The transition preview button has moved to the button box, and dock animations are disabled to minimize distractions.

Apart from that, several behavioral changes have been made. Copying a scene item now duplicates all properties. By default, source names no longer include the word “Source.” The media source playback slider updates more frequently, and the default streaming bitrate is now 6000 kbps.

On the bug fixes side, multiple crashes were addressed, including one affecting Linux systems when switching profiles or shutting down the application. Other fixes address HDR video playback appearing darker than expected, incorrect projector resolutions, and video scaling issues in multi-video encoder setups.

Linux users also receive platform-specific fixes, such as improved PipeWire device capture and corrected camera framerate reporting.

Additional fixes address black recording thumbnails, incorrect chapter marker timestamps when splitting recordings, locked transitions, and visual artifacts in NVIDIA blur and background blur effects.

For more information, refer to the changelog.

Bobby Borisov

Bobby Borisov

Bobby, an editor-in-chief at Linuxiac, is a Linux professional with over 20 years of experience. With a strong focus on Linux and open-source software, he has worked as a Senior Linux System Administrator, Software Developer, and DevOps Engineer for small and large multinational companies.

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