LabVIEW 2021 SP1 Known Issues

Overview

This document contains the LabVIEW known issues that were discovered before and since the release of LabVIEW 2021 SP1. Known issues are performance issues or technical bugs that NI has acknowledged exist within this version of the product.

 

Not every issue known to NI appears on this list; it is intended to show the most severe and common issues that you may encounter and provide workarounds when possible. Other technical issues that you may encounter could occur through normal product use or system compatibility issues. You may find more information on these issues in NI’s Product Documentation, Knowledgebase, or Community.

Bug Number

Legacy ID

Description

Details

1769482

LabVIEW Cannot Build a Packed Project Library If VI Without Block Diagram References Malleable VIs

Trying to build a Packed Project Library using a VI that references a malleable VI and does not have a block diagram results in the following incorrect error message.  "Error 1073: Unable to  for this application. Choose a different option on the Additional Exclusions page and build the application again." Contrary to the error message, there are no build options that will allow the build to succeed. You must remove the malleable VI reference from the VI before removing its block diagram.

    Workaround:

    When removing block diagrams from VIs, disconnect any malleable VI references first.

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    N/A

    Added:

    Jan 6, 2022

    1777709

    LabVIEW Palette Items, OpenSSH Exec and PuTTY SSH Exec, Are Not Localized

    OpenSSH Exec and PuTTY SSH Exec have English names and descriptions in the localized versions of LabVIEW 2021 SP1.

    Workaround:

    There is currently no known workaround for this issue.

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    N/A

    Added:

    Jan 6, 2022

    1811630

    LabVIEW Appends Extraneous NULL Character to Path When You Drag and Drop a File to a Path Control

    When you drag a file from the File Explorer to a Path control or constant, the value of the path will have an extraneous NULL character at the end.

    Workaround:

    Manually delete the extra character after completing the drag and drop.

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    N/A

    Added:

    Jan 26, 2022

    1829175

    LabVIEW 2021 SP1 Readme for macOS Incorrectly Lists macOS 12

    The readme incorrectly lists macOS 12 as a supported operating system in the System Requirements table.

    Workaround:

    There is currently no known workaround for this issue.

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    N/A

    Added:

    Feb 3, 2022

    1865552

    LabVIEW 2021 SP1 Installation Fails on Some Linux Desktop Systems

    When installing LabVIEW 2021 SP1 on a Linux CentOS or OpenSuse system with the previous version of LabVIEW, the INSTALL script fails before completing the installation.

    Workaround:

    Manually uninstall VICompare before installing LabVIEW 2021 SP1 using the command: rpm -ev --nodeps nilvcompare

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    N/A

    Added:

    Mar 9, 2022

    1887820

    LabVIEW 2021 SP1 Leaks Memory

    LabVIEW 2021 SP1 causes an increase in the memory usage of some applications unnecessarily over time.

    Workaround:

    You can disable the performance optimization which caused the memory leak by adding "MemoryManger.UseMasterPointerPool = FALSE" to the LabVIEW INI file. LabVIEW 2021 SP1 f1 patch fixes the issue by disabling the performance optimization by default.

    Reported Version:

    LabVIEW 2021 SP1

    Resolved Version:

    LabVIEW 2021 SP1 f1

    Added:

    Apr 22, 2022

    Final Time Issue Listed

    Issues found in this section will not be listed in future known issues documents for this product.

    There are currently no issues to list.

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    Glossary of Terms

     

    • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
    • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
    • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
    • Workaround - Possible ways to work around the problem.
    • Reported Version - The earliest version in which the issue was reported.
    • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
    • Date Added - The date the issue was added to the document (not the reported date).