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obs-ndi - NewTek NDI™ integration into OBS Studio 4.9.1

This release is a hotfix for macOS users only. For the latest Windows and Linux releases, see obs-ndi 4.5.0

Changes since 4.5.0
  • macOS bugfix: Qt version mismatch
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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Changes since 4.4
  • NDI updated to version 3.5: improved source discovery and networking
  • New feature: Studio Mode Preview Output
  • New UI localization: Simplified Chinese
  • macOS bugfix: fix Qt version mismatch
  • Refactored input and output code
  • License switched from LGPL to GPL 2.0
Windows, Linux and macOS Install instructions: see the release page on GitHub.
Changes since 4.2.3
  • New source sync mode: "Source Timing". When selected, it makes use of the frame timestamps as provided by the remote sender.
    • If you run into A/V desync issues in your two-PC OBS streaming setup, give this sync mode a try on the streaming computer.
  • New source options: YUV Range and Colorspace. If you don't know what these are, leave these two settings to "Default".
  • Source bugfix: video not cleared when switching to Audio Only mode
  • Fixed several minor memory leaks
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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Changes since 4.2.2
  • Bugfixes:
    • Fixed several memory leaks in source, filter and output.
    • [Windows only] Compatibility fixes for OBS Studio 21.1:
      • Compiler upgraded to Visual Studio 2015
      • Qt upgraded to 5.10.1
Windows, Linux and macOS Install instructions: see the release page on GitHub.
Changes since 4.2.1
  • Bugfix: filter's NDI name not saved on exit
  • Bugfix: filter's NDI name empty when created
  • Bugfix: deleting an audio-only filter could cause a crash
  • Bugfix: incomplete NDI instance protection
  • Dedicated output filter: experimental macOS fix to decrease CPU usage
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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Changes since 4.2
  • Bugfix: crash when changing NDI name in the dedicated output filter settings
  • Bugfix: NDI name not saved in dedicated output filter settings
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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Changes since 4.1.3
  • macOS releases now use the NDI runtime installed from the redistributable.
  • Source:
    • Lower input latency
    • New "Sync" option. You can choose between "Internal" (generate frame timestamps locally) or "Network" (use NDI frame timestamps). Use "Internal" mode if you encounter audio desync issues.
    • New "Bandwidth" option (replaces the "Low bandwidth" checkbox). You can choose between "Highest", "Lowest" or "Audio Only".
  • "Dedicated output" filter:
    • Lower output latency
    • New "NDI name" option. Dedicated output NDI name is now independent from the filter's name.
    • Now compatible with audio-only sources (like the Desktop audio source).
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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Changes since 4.1.2
  • Bug fix: improper timestamp handling in source and main output (this can fix many sync issues)
Windows, Linux and macOS Install instructions: see the release page on GitHub.
Changes since 4.1.1
  • Bug fix: interleaved video from Main NDI Output (fixed back to progressive)
  • Bug fix: heavy tearing on video from Dedicated NDI Output
  • New Main Output option: "asynchronous sending". Can improve framerate on low-end systems, but causes tearing.
  • Bug fix: wrong settings dialog title
Windows, Linux and macOS Install instructions: see the release page on GitHub.
Changes since 4.1
  • Bug fix: no alpha channel from NDI Sources
  • Bug fix: tearing at very high framerates
Windows, Linux and macOS Install instructions: see the release page on GitHub.
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