OBS Studio 32.1 Beta is out with a new Audio Mixer, WebRTC Simulcast support and more

Another new release of the excellent open source video capture and streaming app OBS Studio is being prepared, with OBS Studio 32.1 Beta out now. You can get testing with a few new features and tweaks to existing features.

The main new features for this release include a new Audio Mixer, a new Add Source dialog, WebRTC Simulcast support and they added missing undo/redo actions for scene items. WebRTC Simulcast sounds like quite a fun one, allowing for multiple quality levels to be sent over one track in WebRTC. Similar in a way to what Twitch have with Enhanced Broadcasting.

The full changelog:

32.1 New Features

• Added new Audio Mixer [Warchamp7]
• Added new Add Source dialog [Warchamp7]
• Added WebRTC Simulcast Support [Sean-Der]
• Added missing undo/redo actions for scene items [cg2121]
  • Scale filtering, blending mode, blending method, deinterlacing mode and deinterlacing field order

32.1 Changes

• Removed "Source" from source names [Warchamp7]
• Updated the Edit Transform dialog [Warchamp7]
• Changed copying a scene item to copy all properties [cg2121/Warchamp7]
• Disabled dock animations [Warchamp7]
• Moved transition preview button to button box [exeldro]
• Rearranged default dock positions [Warchamp7]
• Increased media source playback slider update rate [Warchamp7]
• Enabled palette for Light theme audio mixer [Warchamp7]
• Changed default bitrates to 6000 kbps [mihawk90]

32.1 Bug Fixes

• Fixed an issue where projector resolutions had decimals [Warchamp7]
• Fixed sync of Preview/Program size and positioning [Warchamp7]
• Refactored OBSBasic::Save to only save frontend canvas scenes/groups [dsaedtler]
• Fixed NAL type for HEVC caption/BPM SEIs [dsaedtler]
• Fixed an issue where video scaling could be incorrect in multivideo encoder scenarios [dsaedtler]
• Fixed an issue with chapter markers having incorrect time when using file splitting [garyholmes]
• Fixed an issue where some recordings could have black thumbnails [derrod]
• Fixed an issue where the NVIDIA Blur and Background Blur could have banding or look splotchy [pkviet]
• Fixed an issue where macOS Screen Capture would select an item for capture by default [jcm93]
• Fixed an issue with PipeWire when capturing a device that does not require a framerate [tytan652]

Source: GitHub