# Release Notes

{% hint style="info" %}
**These release notes refer to changes in our complete technology, including the SDKs, NDI Tools, and any other items. Take your time to comb through the documentation and decide what is more relevant for your specific context.**

**\*Any reference to a ChangeLog refers to the release notes shown below**
{% endhint %}

{% updates format="full" %}
{% update date="2026-02-09" %}

## NDI 6.3.1

### Fixed

* Potential deadlock issue in the new discovery server with sources for older versions
* Rare rash in [Premiere Pro](https://docs.ndi.video/all/using-ndi/ndi-tools/plugins/ndi-for-premiere-pro) on Mac when enabling NDI output and allowing network access
* Issue where [NDI Webcam](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/webcam-input) fails to auto launch at starup if the selected source is unavailable
* [NDI Bridge Service](https://docs.ndi.video/all/developing-with-ndi/utilities/bridge-service) auto-start issue where the service appeared running but failed to start
* Added new command-line options in the NDI Recording tool. Please refer to the SDK documentation for details.
  {% endupdate %}

{% update date="2026-01-21" %}

## NDI 6.3.0

### NDI Tools

**Sender Monitoring Enhancements**: The [NDI Discovery app](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/discovery) now includes sender discovery and&#x20;monitoring on both Windows and macOS.

**Default Sender Monitoring Support**: Enabled by default in existing sender-based NDI Tools apps.

Windows: NDI Test Patterns, NDI Screen Capture, NDI Screen Capture HX, NDI VLC Plugin.

macOS: NDI Test Patterns, NDI Scan Converter.

**NDI Discovery Server Improvements**: Enhanced [sender discovery and monitoring](https://docs.ndi.video/all/developing-with-ndi/sdk/ndi-sender-discovery-and-monitor) capabilities. The NDI&#x20;server utility is now available as a standalone installer for Windows and Linux and can run as a service.&#x20;See [documentation ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/discovery/discovery-server-additional-information)for setup details.

#### Fixed

* Fixed an issue in the NDI plugin for Adobe Premiere where the field sequence was incorrectly  \
  displayed when playing SpeedHQ progressive clips in interlaced sequences.
* Resolved poor NDI HX encoding performance on AMD GPU/CPU systems in [Screen Capture HX](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/screen-capture-hx) and  &#x20;[NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge).
* Fixed NDI Virtual Input on macOS failing to receive video when connected via [Discovery Server](https://docs.ndi.video/all/getting-started/white-paper/discovery-and-registration/discovery-server) and  &#x20;[Access Manager](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/access-manager).
* Resolved an issue where [NDI Webcam](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/webcam-input) would stop receiving video from the NDI HX Camera app  \
  when the camera resolution was changed.
* Corrected video preview rendering in NDI Webcam to properly respect the source aspect ratio.
* Fixed [NDI Router](https://docs.ndi.video/all/developing-with-ndi/sdk/ndi-routing) terminating active streams upon application closure.

### NDI SDK

**New APIs**: Introduced APIs for [sender discovery and monitoring](https://docs.ndi.video/all/developing-with-ndi/sdk/ndi-sender-discovery-and-monitor), designed for integration with the\
NDI Discovery Server. See documentation for details.

**Performance Improvements**: Enhanced [SpeedHQ](https://docs.ndi.video/all/getting-started/white-paper/bandwidth/ndi-high-bandwidth-based-on-speedhq2-8bit-4-2-2) codec quality across multiple generations.

**Enabled passthrough** of the NDI capabilities message from NDI receiver to the NDI sender.

**Enhanced Receiver Passthrough Control**: Introduced per-codec passthrough override control via\
receiver creation JSON in the NDI Advanced SDK, enabling selective decompression of compressed\
formats. Please refer to the SDK documentation for details.

Improvements to [**FPGA reference design**](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk/ndi-advanced-sdk-fpga-example-reference-design). Please refer to the [ChangeLog](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk/ndi-advanced-sdk-fpga-example-reference-design/ndi-advanced-sdk-fpga-ip/changelog) files for more details.
{% endupdate %}

{% update date="2025-08-21" %}

## **NDI 6.2.1**

**Fixed**

{% hint style="warning" %}
Our latest release brings an update to the NDI SDK terms, bringing these in line with our commitment to the health and growth of the NDI ecosystem. **The NDI SDK remains royalty-free, subject to the SDK terms and conditions.** For more details including a full explanation and updated list of exclusions please consult the terms and conditions by downloading the NDI 6.2.1 SDK. These changes apply to the NDI SDK only and are not applicable to the NDI Advanced SDK. For more information see the [Community Announcement](https://community.ndi.video/mod/forum/discuss.php?d=114) in our Forums.
{% endhint %}

* Updated the NDI Tools installer to display the [Privacy Policy](https://docs.ndi.video/all/using-ndi/ndi-tools/installing-ndi-tools/privacy-policy) on the data collection agreement page.
* Fixed an issue with silent installation of [NDI Tools](https://docs.ndi.video/all/using-ndi/ndi-tools).
* Fixed an issue where the [NDI Discovery Server](https://docs.ndi.video/all/getting-started/white-paper/discovery-and-registration/discovery-server) running as a service would not start automatically after windows restart.
* Added **URL connection** reporting in the [Discovery UI](https://docs.ndi.video/all/getting-started/broken-reference) when monitoring NDI receivers connected to HX1 sources.
* Fixed a **localization issue** in the [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) statistics window.
* Fixed a crash that could occur when destroying an NDI receiver during an active connection attempt to a source. Improved handling of deinterlacing in [NDI Studio Monito](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/studio-monitor)r.
* A new '**deinterlacing**' option has been added to the Video Settings menu.
* Fixed incorrect byte order handling when using `NDIlib_recv_color_format_RGBX_RGBA`.
* Fixed an issue where NDI output from[ Adobe Premiere](https://docs.ndi.video/all/using-ndi/ndi-tools/plugins/ndi-for-premiere-pro) could change resolution when clips on the timeline ended.
* Resolved an issue where [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) could incorrectly select a temporary GPU adapter, which might become unavailable when remote desktop sessions end.
* Fixed a potential issue where an **NDI Finder** could block indefinitely in certain environments.
* Removed the [NDI Remote](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/remote-discontinued) application from the **NDI Tools Suite.** See [here ](https://community.ndi.video/mod/forum/discuss.php?d=127#p332)for more details
  {% endupdate %}

{% update date="2025-06-03" %}

## **NDI 6.2**

### **NDI Tools**

* Introduced the [**NDI Discovery**](https://docs.ndi.video/all/getting-started/broken-reference) **app** in the Tools suite for macOS and Windows for **NDI receiver discovery, monitoring and control**.
* NDI Tools now includes support for **anonymous usage data collection** to help improve future releases. Users can choose to opt in or out during setup and update their preference anytime from the NDI Tools Launcher.
* Updated NDI Studio Monitor (Windows) and NDI Video Monitor (Mac) to enable settings for **receiver monitoring** and **remote source control** when used with the new NDI Discovery Server.
* Improved [**Access Manager**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/access-manager) for easier multicast configuration on Windows and Mac.
* Added a new setting in [**Screen Capture**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/screen-capture) applications on Windows to enable or disable notifications for new connections.
* Improved error handling and user notifications in [**Screen Capture** ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/screen-capture)applications on Windows.

#### **Standalone Tools**

* Enhanced existing [**NDI Discovery Server**](https://docs.ndi.video/all/getting-started/white-paper/discovery-and-registration) with new capabilities for **receiver discovery, monitoring, and control**. It is now available as a standalone installer for Windows and Linux, allowing it to run as a service. Refer to the documentation for details.
* Updated the [**NDI Bridge Service**](https://docs.ndi.video/all/developing-with-ndi/utilities/bridge-service) to include local mode support.

#### **Fixed**

* A problem in [**NDI Webcam**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/webcam-input) and [**NDI Router**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/router) where the preview window could freeze or fail to render video.
* Issue where the **NDI record binary** would stop recording when the record chop command was used with the `-noautochop` flag.
* Crash in [**Scan Converter**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/scan-converter) on macOS that occurred when its signal was received in [**Video Monitor**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/video-monitor) or Studio Monitor.
* Addressed a localization issue that skewed statistics in [**NDI Bridge**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge).
* Usage of **incorrect units for packet lost metric** in [**NDI Bridge**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) statistics window.
* Issue where the [**NDI Bridge** ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge)host could crash during stream cleanup or closure.&#x20;
* Fixed a potential crash in the **NDI VST output plugin** when used with certain DAW applications.
* Issue where audio frameworks could fail to load at runtime on macOS, causing [**Free Audio**](https://docs.ndi.video/all/developing-with-ndi/utilities/free-audio) to detect no audio devices.

### NDI SDK

* Introduced a new set of APIs for **receiver discovery, monitoring, and control,** designed for integration with the NDI Discovery Server. Refer to the documentation for details.
* Added **visionOS** support to **Apple SDKs**.
* Optimized audio resampler performance in [**NDI Frame Sync**](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk/ndi-sdk-review/video-formats/frame-synchronization) on ARM-based platforms.
* Improved **single-TCP sending performanc**e by using scatter-gather to reduce per-message ACKs.&#x20;

#### Fixed

* Resolved a potential crash in the NDI library when handling UDP streams on certain ARM-based processors.
  {% endupdate %}

{% update date="2024-12-23" %}

## NDI 6.1.1

**Fixes**

* Resolved a low-level exception that occurred when importing recorded SpeedHQ files into Adobe Premiere Pro.
* Fixed an issue where NDI Virtual Input might stop functioning after a few seconds on certain macOS platforms.
* Improved handling of connection metadata when used with the NDI Routing API.
* Addressed a possible issue with the Discovery Server where sources might not appear intermittently.
* Resolved a potential memory leak issue in NDI Test Patterns on Windows.
  {% endupdate %}

{% update date="2024-12-05" %}

## NDI 6.1.0&#x20;

**SDK**&#x20;

* **FPGA** improvements.
* Added support for **16-bit** color formats on FPGA platforms.&#x20;
* Introduced encoder support for **planar alpha**.&#x20;
* Added support for new **packed and semi-planar** video formats.&#x20;
* Implemented **64-bit addressing in raw audio/video input and output logic**. For more details, refer to the **ChangeLog** files.&#x20;
* The **Advanced SDK** now features a new **API** that enables dynamic adjustment of the received bandwidth for NDI video streams. For more information, please consult the [Advanced SDK documentation](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk).&#x20;
* Added **new audio conversion utility API**s for `NDIlib_audio_frame_v3_t` structure.&#x20;
* Made **improvements to the** [**SpeedHQ**](https://docs.ndi.video/all/getting-started/white-paper/encoding-and-decoding) **codec** to verify the correctness of the bitstream before decompression.&#x20;

**SDK - Fixes**

* Fixed incorrect **HDR color information in MOV files** recorded using the NDI Recorder utility.&#x20;
* Addressed an issue where the NDI library took longer than expected to unload in specific scenarios.&#x20;
* Addressed a potential frame drop issue with [NDI HX](https://docs.ndi.video/all/getting-started/white-paper/encoding-and-decoding) streams under specific conditions.&#x20;
* General improvements to the [Reliable UDP protocol](https://docs.ndi.video/all/white-paper/ndi-protocols#reliable-udp-ndi-5).  &#x20;

**NDI Tools**

* [**NDI Tools launcher**](https://ndi.video/tools/) **layout and style improvements**. (macOS and Windows).&#x20;
* The [NDI Virtual Input](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/virtual-input) app on macOS has been updated to utilize **modern system extensions introduced in macOS Sonoma 14.1**.&#x20;
* [All NDI Tools](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows) apps on **Windows** have been updated to use **.NET 8.**&#x20;

**NDI Tools - NDI Bridge**

* A **connection test feature** was added to determine optimal buffer delay settings for your network.
* Introduced a **dedicated statistics window** with timeline graphs to monitor system and bridge usage.
* Added a **logging window with support for log-level filters** to view bridge logs more effectively.
* **Local mode** now includes an option to configure the **local send group for bridge sources**.&#x20;

**NDI Tools - New Utilities**

* The [NDI Bridge Service](https://docs.ndi.video/all/developing-with-ndi/utilities/bridge-service) is now [available for free download](https://ndi.video/tools/bridge-service/) on the NDI website. It allows you to run [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) **in a headless mode as a Windows service**. Please refer to the documentation for more details.&#x20;
* The [NDI Free Audio](https://docs.ndi.video/all/developing-with-ndi/utilities/free-audio) utility is now [available for free download](https://ndi.video/tools/free-audio/) on Windows and Linux via the NDI website. It also includes **enhanced ASIO support for Windows** devices.&#x20;
* The **NDI Analysis** tool has been improved to include additional information about NDI stream timings when exporting to a CSV file. Please refer to the [NDI Analysis documentation](https://docs.ndi.video/all/getting-started/broken-reference) for more details.&#x20;

**NDI Tools - Fixes**

* [NDI Access Manager ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/access-manager)(macOS) now supports inputting **multiple discovery server IP addresses**.
* Corrected an issue in [NDI Router ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/router)(macOS) where **HDR** images were not rendered properly in the preview.
* Resolved a potential exception in the source menu of [NDI Router ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/router)(macOS) when parsing NDI sources.
* Resolved an issue where [NDI Bridge ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge)failed to auto-start in **Local** **mode**.
* Fixed a potential deadlock when closing an [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) stream in **Join** **mode**.
* Corrected **NDI Test Patterns** to ensure the full **Rec.709** color range is output for imported images (Windows).
* Fixed an issue with [NDI Remote](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/remote-discontinued) when enumerating system audio devices.&#x20;
* Resolved a potential issue in [NDI Studio Monitor](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/studio-monitor) when rendering test patterns with alpha transparency.
* Enabled high bit-depth decoding in [NDI Studio Monitor](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/studio-monitor) for streams with **BT.2020 color primaries**.
* Added support for higher color depth when playing **SDR files using the VLC player** with the NDI output plugin enabled.
* Fixed audio driver stability issues with [NDI Webcam](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/webcam-input).&#x20;

**NDI Tools - Known Issues**

* NDI Virtual Input may stop working after a few seconds with certain macOS platforms.
  {% endupdate %}

{% update date="2024-05-08" %}

## NDI 6.0.1

#### **NDI Tools - HDR**

* The [NDI output plugin for VLC](https://docs.ndi.video/all/using-ndi/ndi-tools/plugins/ndi-for-vlc) now includes HDR support\<html>

#### NDI Tools - Fixes

* Corrected rendering issue when importing custom images from older versions of [NDI Test Patterns](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/test-patterns) on Windows.
* Resolved a potential crash in [NDI Remote](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/remote-discontinued).
* Resolved a minor talkback audio issue in [NDI Remote](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/remote-discontinued).
* Added a firewall exception rule for the [NDI Remote](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/remote-discontinued) app.
* Resolved an issue with loading the [NDI output plugin for Final Cut Pro](https://docs.ndi.video/all/using-ndi/ndi-tools/plugins/ndi-output-for-final-cut-pro) on newer macOS versions.
* [NDI Video Monitor](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/video-monitor) on Mac was not playing audio.
* Ensured correct permissions were set on the NDI Runtime installer on MacOS.
* Resolved an issue where the NDI Tools registration state was not being saved correctly.

#### **NDI SDK - Fixes**

* Resolved a source limitation issue with the [NDI Discovery server](https://docs.ndi.video/all/getting-started/white-paper/discovery-and-registration) running on Linux.
* Addressed an issue with NDI Frame Sync, restoring correct behavior in audio capture.
* Fixed a potential threading issue when loading and unloading the NDI library on Windows.

{% endupdate %}

{% update date="2026-03-25" %}

## NDI 6.0.0

#### SDK

* Support for 16-bit color formats improved (P216/PA16).&#x20;
* There is a new specification for NDI HDR metadata (read the new dedicated [**HDR section**](https://docs.ndi.video/all/developing-with-ndi/sdk/hdr) in the NDI SDK for more details).&#x20;
* New receiver formats permit SpeedHQ pass-through with UYVY/P216 video.&#x20;
* HDR example code samples are provided with NDI SDK.&#x20;
* The NDI Advanced SDK includes a new [**NDI Bridge Utility**](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk/embedded-bridge) for hardware (currently available for Linux), with comprehensive guidance on its use.&#x20;
* [**NDI Recorder utility**](https://docs.ndi.video/all/developing-with-ndi/sdk/command-line-tools) enhanced to capture NDI HDR streams.&#x20;

{% hint style="info" %}
Please note: The **NDI Advanced SDK** licensing scheme has been enhanced. To use NDI 6.0 features, advanced SDK users will need a new License ID (which replaces the former Vendor ID). Please contact <support@ndi.video>
{% endhint %}

#### SDK - Fixes

Improved audio synchronization with [NDI Frame Sync API](https://docs.ndi.video/all/developing-with-ndi/advanced-sdk/ndi-sdk-review/video-formats/frame-synchronization).

#### NDI Tools

* **A new** [**NDI Router tool for macOS**](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/router) has been released.&#x20;

#### NDI Tools - HDR&#x20;

* [NDI Test Patterns](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/test-patterns) now supports HDR patterns (macOS and Windows).&#x20;
* [NDI Studio Monitor ](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/studio-monitor)now supports displaying HDR content in PQ and HLG (Windows).&#x20;
* [NDI Studio Monitor (Windows)](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/studio-monitor) has been enhanced to capture NDI HDR streams.&#x20;
* [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) has received 10-bit HEVC transcoding and HDR pass-through.&#x20;
* [NDI Screen Capture HX (Windows)](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/screen-capture-hx) has received support for HDR screens and 10-bit HEVC.&#x20;
* [NDI Analysis](https://docs.ndi.video/all/getting-started/broken-reference) in Frame Checker mode will now output HDR color information if present.&#x20;

#### NDI Tools - More

* [NDI Video Monitor (macOS)](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-mac/video-monitor) now includes new KVM support.&#x20;
* The NDI Launcher app adds a one-click link to extensive online Docs & Guides.&#x20;

#### NDI Tools - Fixes&#x20;

* Reduced latency from [NDI Screen Capture HX (Windows)](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/screen-capture-hx).&#x20;
* Resolved [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) Local mode issue when handling a source that has multiple machine names.
* [NDI Bridge](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/bridge) has been enhanced to leverage the increased number of encoders supported by NVIDIA GeForce cards (may require NVIDIA driver update).&#x20;
* Resolved an [NDI Webcam](https://docs.ndi.video/all/using-ndi/ndi-tools/ndi-tools-for-windows/webcam-input) audio driver stability issue.
  {% endupdate %}
  {% endupdates %}
