NI LabVIEW 2026 Q3 | 7.6 Gb
NI is now part of Emerson's new Test & Measurement business group has released LabView 2026 Q3 is a programming environment used to create applications using the G programming language.
LabVIEW 2026 Q3 introduces prompt-based code generation using NI Nigel AI, Unicode (UTF-8 encoding) for multilingual UIs, improved security settings, and .NET 8.0 support on Linux.
LabVIEW 2026 Q3 New Features and Changes - Released July 2026
NI Nigel AI Updates
LabVIEW 2026 Q3 adds the following updates to NI Nigel AI:
- You can prompt Nigel to generate VIs in the Nigel chat window.
Note: Nigel supports a limited set of LabVIEW features when generating VIs. Consult Generating VIs with NI Nigel AI for more information on what features Nigel supports.
- You can use the Add File to Context button to pass text files and VIs to Nigel to help it answer your queries.
- For eligible VIs, you can let Nigel clean up your front panels through the Edit » Clean Up Panel option instead of performing this cleanup algorithmically. Consult NI Nigel AI for more information on what VIs Nigel can clean up.
- Nigel now allows you to select the AI model used to answer your queries.
- Nigel now supports connecting to Model Context Protocol (MCP) servers and tools.
Support for Unicode (UTF-8 Encoding) Strings
LabVIEW 2026 Q3 adds support for UTF-8 string encoding, allowing you to create multilingual user interfaces.
Updates to LabVIEW Icon Editor
LabVIEW 2026 Q3 includes LabVIEW Icon Editor updates from the open-source LabVIEW repository on GitHub, which includes contributions from the LabVIEW community.
Updates to LabVIEW Actor Framework
LabVIEW 2026 Q3 includes Actor Framework updates from the open-source LabVIEW repository on GitHub, which includes contributions from the LabVIEW community.
Automated Software Bill of Materials (SBOM) Generation
LabVIEW 2026 Q3 build specifications include an option to automatically generate an SBOM file using the JKI Security Suite when building an application. SBOM files provide a record of VI Package Manager and NI Package Manager dependencies.
Note: This feature requires JKI VI Package Manager.
Note: This feature is only supported on Windows.
Continuous Integration/Continuous Deployment (CI/CD) Improvements
LabVIEW 2026 Q3 includes the following CI/CD improvements for building applications, packed libraries, shared libraries, .NET framework assemblies, and source distributions:
- LabVIEW can build, but not execute, binaries when shared library dynamic dependencies are missing. This feature enables builds that use NI drivers in Docker containers.
Note: You still need the VI API for the driver to successfully build. You can copy the VI API from the LVAddons location on a machine that has the driver installed.
- Builds that use the command line interface (CLI) can specify an output location. Configuring an output location lets you specify different build locations when building the same project on different platforms.
Added New NI-DAQmx Sample Project
LabVIEW 2026 Q3 adds the "My First DAQ Measurement" sample project to help users quickly get a successful first measurement with NI-DAQmx. This sample project includes starting code for the following measurement types:
- Voltage
- Current
- Accelerometer
- Microphone
- Thermocouple
- Strain gage
LabVIEW Security Feature Updates
The LabVIEW 2026 Q3 Tools » Options dialog notes settings that might have security concerns and displays indicators to show if the setting is configured to a safe (LabVIEW icon indicating a setting is configured to a safe value.) or unsafe (LabVIEW icon indicating a setting is configured to a potentially unsafe value.) value. If you attempt to configure these settings to unsafe values, LabVIEW launches a warning dialog explaining the potential security risks.
Debug Window Improvements
LabVIEW 2026 Q3 introduces the following improvements to the Debug window:
- The Debug window now displays probes for VIs that are in memory but do not have open block diagram windows.
- Stopping execution at a breakpoint no longer automatically opens the Debug window.
Updated Label Position for Controls and Indicators
LabVIEW 2026 Q3 updates the default label position for controls and indicators from Classic to Left Middle for controls and Right Middle for indicators.
Updated Default Settings for Block Diagram Cleanup
LabVIEW 2026 Q3 updates the default settings for the Clean Up Diagram command to reduce how tightly the cleanup compacts your block diagram. You can view and edit these new defaults in the Block Diagram Cleanup options list at Tools » Options » Block Diagram.
LabVIEW Regular Expression Engine Upgraded to PCRE2
LabVIEW 2026 Q3 now uses PCRE2 10.47, upgraded from PCRE 8.44, as its regular expression engine for operations like Match Regular Expression and Search and Replace. This upgrade introduces some regular expression behavior changes.
.NET (Core) 8.0 Support on Linux
LabVIEW 2026 Q3 now supports .NET (Core) 8.0 on LabVIEW for Linux.
Python Support
LabVIEW 2026 Q3 adds support for Python 3.13 and 3.14.
Note: LabVIEW 2026 continues to support Python 3.9 through 3.12.
3013524 LabVIEW Class Becomes Corrupt When It Contains Multiple DLLs With the Same Name
Classes that contain multiple DLLs with the same file name become corrupt after saving and reopening. Once corrupted, you cannot open the classes.
Workaround: Fixed in LabVIEW 2026 Q3. When a class loads, it ignores DLLs with duplicate names.
3557446 LabVIEW Crashes When You Open a Class Method That References a Deleted Static Dispatch Property
Removing a static dispatch property from a class causes LabVIEW to crash when you subsequently open a method that uses a property node for that property.
Workaround: Fixed in LabVIEW 2026 Q3.
3723623 LabVIEW Sometimes Crashes When Opening Properties Dialog
LabVIEW sometimes crashes when you open the Properties dialog for a newly placed control on a VI if the hierarchy of the VI contains a static reference to the control.
Workaround: Fixed in LabVIEW 2026 Q3.
3765688 LabVIEW Sometimes Hangs After Placing Diagram Disable Structure
LabVIEW sometimes hangs after you place a Diagram Disable structure around code that contains a Case Structure.
Workaround: Fixed in LabVIEW 2026 Q3.
3775285 VI Execution Sometimes Hangs After Disabling Execution Highlighting
After you disable execution highlighting, your VI sometimes remains in the run state without LabVIEW executing the VI.
Workaround: Fixed in LabVIEW 2026 Q3.
778636 LabVIEW 64-bit Crashes When Clearing Data from XY Graph
Workaround: Fixed in LabVIEW 2026 Q3.
3793925 LabVIEW Crashes When Adding Breakpoint if INI token openProbesInOwnWindows is True
Workaround: Fixed in LabVIEW 2026 Q3.
3806303 LabVIEW Crashes When Comparing VIs Containing FPGA IO Nodes
Workaround: Fixed in LabVIEW 2026 Q3.
3851971 LabVIEW Crashes When Disabling Debugging for a Target While Custom Probes are Set
LabVIEW crashes if you add a custom probe to a VI and then disable debugging for that VI's target in the Project Environment Settings.
Workaround: Fixed in LabVIEW 2026 Q3.
3876146 LabVIEW Sometimes Crashes When Opening a Project from a Universal Naming Convention Path
Workaround: Fixed in LabVIEW 2026 Q3.
3454278 LabVIEW May Report Error 1631 When Building a Packed Library
Workaround: Fixed in LabVIEW 2026 Q3.
3695783 LabVIEW Warns That Dependency Was Loaded From New Path When Opening .NET Core Example VI
Workaround: Fixed in LabVIEW 2026 Q3.
3596234 LabVIEW on Ubuntu 22, RHEL 8, and RHEL 9 Crashes When Selecting Noto Color Emoji Font
Workaround: Fixed in LabVIEW 2026 Q3.
3697602 VI Does Not Prompt to Save Changes After Removing Disabled Breakpoint
After removing a disabled breakpoint on a VI in LabVIEW 2025 Q3, or on a VI outside of a project in LabVIEW 2026 Q1, the VI is not marked with unsaved changes. Note that VIs in projects in LabVIEW 2026 Q1 store breakpoints in a separate file, so the lack of unsaved changes there is not a bug.
Workaround: Fixed in LabVIEW 2026 Q3.
3702292 Initial Position Panel and Diagram for Main.vi in Simple State Machine Project Template Are Not at Top-Left of Monitor
Workaround: Fixed in LabVIEW 2026 Q3.
3266479 VI Analyzer Toolkit Stops Working in Older Versions of LabVIEW When You Add a Newer Version
VI Analyzer Toolkit for LabVIEW 2024 Q3 and later installs into a shared location (LVAddons) instead of the LabVIEW folder. If you have LabVIEW 2024 Q3, 2025 Q1, or 2025 Q3 installed on your machine and install a newer version of LabVIEW (2025 Q1 through 2026 Q1) on the same machine, the older versions of LabVIEW lose access to VI Analyzer erroneously.
Workaround: Fixed in LabVIEW 2026 Q3.
Classes that contain multiple DLLs with the same file name become corrupt after saving and reopening. Once corrupted, you cannot open the classes.
Workaround: Fixed in LabVIEW 2026 Q3. When a class loads, it ignores DLLs with duplicate names.
3557446 LabVIEW Crashes When You Open a Class Method That References a Deleted Static Dispatch Property
Removing a static dispatch property from a class causes LabVIEW to crash when you subsequently open a method that uses a property node for that property.
Workaround: Fixed in LabVIEW 2026 Q3.
3723623 LabVIEW Sometimes Crashes When Opening Properties Dialog
LabVIEW sometimes crashes when you open the Properties dialog for a newly placed control on a VI if the hierarchy of the VI contains a static reference to the control.
Workaround: Fixed in LabVIEW 2026 Q3.
3765688 LabVIEW Sometimes Hangs After Placing Diagram Disable Structure
LabVIEW sometimes hangs after you place a Diagram Disable structure around code that contains a Case Structure.
Workaround: Fixed in LabVIEW 2026 Q3.
3775285 VI Execution Sometimes Hangs After Disabling Execution Highlighting
After you disable execution highlighting, your VI sometimes remains in the run state without LabVIEW executing the VI.
Workaround: Fixed in LabVIEW 2026 Q3.
778636 LabVIEW 64-bit Crashes When Clearing Data from XY Graph
Workaround: Fixed in LabVIEW 2026 Q3.
3793925 LabVIEW Crashes When Adding Breakpoint if INI token openProbesInOwnWindows is True
Workaround: Fixed in LabVIEW 2026 Q3.
3806303 LabVIEW Crashes When Comparing VIs Containing FPGA IO Nodes
Workaround: Fixed in LabVIEW 2026 Q3.
3851971 LabVIEW Crashes When Disabling Debugging for a Target While Custom Probes are Set
LabVIEW crashes if you add a custom probe to a VI and then disable debugging for that VI's target in the Project Environment Settings.
Workaround: Fixed in LabVIEW 2026 Q3.
3876146 LabVIEW Sometimes Crashes When Opening a Project from a Universal Naming Convention Path
Workaround: Fixed in LabVIEW 2026 Q3.
3454278 LabVIEW May Report Error 1631 When Building a Packed Library
Workaround: Fixed in LabVIEW 2026 Q3.
3695783 LabVIEW Warns That Dependency Was Loaded From New Path When Opening .NET Core Example VI
Workaround: Fixed in LabVIEW 2026 Q3.
3596234 LabVIEW on Ubuntu 22, RHEL 8, and RHEL 9 Crashes When Selecting Noto Color Emoji Font
Workaround: Fixed in LabVIEW 2026 Q3.
3697602 VI Does Not Prompt to Save Changes After Removing Disabled Breakpoint
After removing a disabled breakpoint on a VI in LabVIEW 2025 Q3, or on a VI outside of a project in LabVIEW 2026 Q1, the VI is not marked with unsaved changes. Note that VIs in projects in LabVIEW 2026 Q1 store breakpoints in a separate file, so the lack of unsaved changes there is not a bug.
Workaround: Fixed in LabVIEW 2026 Q3.
3702292 Initial Position Panel and Diagram for Main.vi in Simple State Machine Project Template Are Not at Top-Left of Monitor
Workaround: Fixed in LabVIEW 2026 Q3.
3266479 VI Analyzer Toolkit Stops Working in Older Versions of LabVIEW When You Add a Newer Version
VI Analyzer Toolkit for LabVIEW 2024 Q3 and later installs into a shared location (LVAddons) instead of the LabVIEW folder. If you have LabVIEW 2024 Q3, 2025 Q1, or 2025 Q3 installed on your machine and install a newer version of LabVIEW (2025 Q1 through 2026 Q1) on the same machine, the older versions of LabVIEW lose access to VI Analyzer erroneously.
Workaround: Fixed in LabVIEW 2026 Q3.
LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a graphical programming language that uses icons instead of lines of text to create applications. In contrast to text-based programming languages that use instructions to determine the order of program execution, LabVIEW uses dataflow programming. In data flow programming, the flow of data through the nodes on the block diagram determines the execution order of the VIs and functions. VIs, or virtual instruments, are LabVIEW programs that imitate physical instruments. In LabVIEW, you build a user interface by using a set of tools and objects. The user interface is known as the front panel. After you build the front panel, you add code using graphical representations of functions to control the front panel objects. You add this graphical code, also known as G code or block diagram code, to the block diagram. The block diagram somewhat resembles a flowchart. The block diagram, front panel, and graphical representations of code compose a VI.
Introduction to the LabVIEW+ Suite
We’re excited to announce the release of the NI LabVIEW+ Suite. It’s a suite of LabVIEW, plus, more NI software that provides purpose-built tools for automating measurement, analysis, and test. The software works together to save you time.
Emerson is a global technology and software company providing innovative solutions for the world’s essential industries. Through its leading automation portfolio, including its majority stake in AspenTech, Emerson helps hybrid, process and discrete manufacturers optimize operations, protect personnel, reduce emissions and achieve their sustainability goals.
(October 11, 2023) – Emerson has announced it has closed its acquisition of NI (National Instruments), a leading provider of software-connected automated test and measurement systems. The acquisition of NI advances Emerson’s position as a global automation leader and expands its opportunity to capitalize on key secular trends like nearshoring, digital transformation, and sustainability and decarbonization. NI brings a portfolio of software, control and intelligent devices that is expected to accelerate Emerson’s revenue growth aligned to its 4-7% through the cycle organic growth target.
Сopyright holder \ Distributor: Emerson
Product Name: NI LabVIEW
Version: 2026 Q3 (version 26.3.0)
Supported Architectures: x64 & x86
Website Home Page : www.ni.com
Languages Supported: english
System Requirements: Windows *
Size in archive: 7.6 Gb
Recovery information: 3% archive
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