LabVIEW 2015 Bug Fixes


The following items are the IDs and titles of a subset of issues fixed between LabVIEW 2014 SP1 and LabVIEW 2015. If you have a CAR ID, you can search this list to validate that the issue has been fixed.
ID Fixed Issue
52263 Some operations on integer waveforms lose dt value
257275 Format Into String does not work with the %d format for numbers larger than I32
278730 Web Services ignore the No App switch on RT targets
315474 Feedback node with waveform data input, and greater than 2 iterations of delay, outputs an array of waveform
348592 Select node causes buffer copy
361311 "Natural log of 1 + x" primitive incorrectly returns NaN for small positive values
372784 LabVIEW 2012 and later have added overhead to dynamic dispatch calls when compared to LabVIEW 2011
377653 There is inconsistent labeling on 'Constrained Nonlinear Curve' TRLM instance.
392232 Autopreallocate Arrays and Strings VI Property Can Crash LabVIEW when not in FPGA Context
397550 LabVIEW can switch to different Front Panels or Block Diagrams when going between LabVIEW and other programs.
400736 Error -4403 returned from Write for Template VIs
401689 Constrained Non-Linear Optimization VI has Potential for Infinite Loop
404003 Bookmarks in a label of an element of a cluster constant that are set as "View Cluster as Icon" can exhibit strange behavior when you double-click the bookmark in the Bookmark Manager.
408351 The Bookmark Manager window is not closed when 'Esc' key is pressed
413786 Help button does not work on Setup page of LabVIEW 64-bit Example Finder
413954 Slow VI compilation with complex VI
419089 Infinite loop in under certain conditions
421739 Quickdrop ctrl+r needs to wire the To More Specific/Generic side terminal instead of center terminal
424089 The advanced analysis Kummer Function returns 'NaN' instead of correct values for certain combinations of input parameters.
425562 Scan from String requires a space between modifiers when using SI notation
426157 VI invoke node Find CtrlWitkKeyFocus don't work with typdefs
434426 Reading from same UDP port twice simultaneously crashes LV
435756 Web Services reset all resource VIs to their default parameters (GET as Terminal/XML) when multiple files are simultaneously added to project.
437915 When converting a Timestamp into a string with the Format into String primitive, certain incorrect format strings will cause the End of file encountered error.
438751 Renaming a group in a Mixed Signal Graph crashes LabVIEW once there is a plot containing data
441262 Call Library Function Nodes maximum error checking mode incorrectly reports memory corruption with CStrs and PStrs.
443165 Modifying the dependencies of a Packed Project Library (PPL) may cause LabVIEW to crash
444759 Default probes should fit to probe watch window pane
444851 Encapsulated PostScript (EPS) is not supported on Mac 64-bit
447789 "RecipeBkUp::SanityCheck()" Crash
449869 "ICallPiccCallback" 0x89B93EF0
451059 "CProjectItemWrapper::GetPropertyBag(IlvProjectPropertyBag**)"
453489 Minimizing the lvlib group in vi hierarchy messes up the entire VI hierarchy.
458700 Equals? function executes slowly on long strings
458724 Uninstalling myRIO Module 2013 causes LabVIEW Getting Started Screen to become unresponsive.
462624 Mouse wheel scrolling does not work in the Functions Palette.
463275 Using same Application twice in Installer causes unexpected behaviour
463408 Log scale on a Graph does not use correct minimum with certain data
463760 Improved security of an authenticated session when used over an un-encrypted connection like http.
466635 Add new "Create Unique File" VI to vi.lib
468062 Path to does not handle network path
468921 Auto-populating folders may not update their contents correctly
469070 In some cases, Fract/Exp String To Number VI does not convert the string correctly
469178 Sound Examples do not have volume control
469269 Error when VIPM quits LV -- svcloc_interface.cpp line 1702
471706 Cannot paste into destination name of installer properties in LabVIEW 2013
474004 Multiple LabVIEW windows do not group in RHEL.
474143 Copy functions returns a permission error (error code 8) occasionally when run in a loop
474764 A VI can hang at Occurrences if Allow Debugging is Disabled
476028 MAX/NIER report: Null pointer dereference in LVBroker.dll!CniLVBroker::HandleVIClose(niLVReq & req, int (void) *)
476714 The INI file created for a LabVIEW built executable contains a truncated list of VIs in the "" line when enabling TCP/IP with multiple Exported VIs
477112 If you cancel the file dialog, it will never show again in Write to Measurement File Express VI.
477278 The [VersionNumber] Tag throws error 7 when used in an RT-EXE build specification.
477280 When using [VersionNumber], Application Builder post-build VIs do not get passed the proper path
477352 In the TDMS File Viewer VI, the menu becomes partially hidden after making the plot legend visible
477864 When a number of controls are grouped on a tab control page, switching to that page takes a long time, proportional to the number of controls grouped
477954 VI Analyzer throws error 1 when analyzing project with a Networked Computer under the Target Folder.
478485 Selecting a Polymorphic VI while loading a caller VI causes a crash due to missing polymorphic instances
478854 Source Distribution Target Directory not used, VIs placed in startup folder
478906 Conditional Double Probe does not handle NaN equality check
479161 Error 7 When Building Installer for EXE with Custom Destinations
480103 Using VirtualBench API through TestStand and the LVRTE causes crashes on exit
480480 Invoke Node shows the English shortname at the first drop in German LabVIEW
480921 Unable to delete and re-add a desitnation folder successfully in build specification of a LabVIEW Installer
484575 Issue writing to individual digital waveform channels in TDMS files
484662 LabVIEW Runtime installer should allow multiple versions in one distribution
484767 Bookmarks changed event does not return the path of the VI(s) in which the bookmarks changed
484940 Create Express VI tool throws Error 1099 when template VIs are marked as Source Only
485412 Make Ctrl-W shortcut wire to inner terminals of tunnels
486475 LabVIEW crashes when adding a saved copy of an lvclass member to an lvlib
486664 Shared Reentrant VIs in a LabVIEW Packed Project Library are not debuggable.
488710 Multicolumn Listbox Key Navigation is not consistent
489848 "Remove empty cases" option in case structure disappears when Subdiagram Label is visible.
490378 Report Generation Toolkit, has a reference leak.
490606 Web Service installer fails to install on Win Server 2008 R2
491093 Application Web Server fails to run on VxWorks when root directory has too many files
491198 Any VI that has a VI Documentation greater than 8000 characters will cause the context help window to truncate the documentation.
491539 Unexpected behavior with Resample Waveforms (Single Shot).vi
496699 LabVIEW crashes when attempting to reinitialize unused plots in plot legend of waveform graph
497131 The WebDAV when executed on a cRIO target can lead to a memory leak
497256 CoreAnimation thread warning when calling a LabVIEW-built Framework on Mac OS X 10.0
497516 Replacing a Waveform control with an Array(Silver) crashes LabVIEW with internal error in datamgr.cpp.
497755 Cannot reset the values of Build Specification Version in Set Build Specification Version VI to zero
499042 Incorrect Diagram Identifier reported by LV Compare tool when comparing case structures
500986 Error 1 generated in property node when remote debugging
501004 Performance improvements for 3D Plot VIs
501633 Variable Engine does not have a "Run-Time" product for deployment.
502081 Ctrl+shift+E (find in project) doesn't work for clone VIs.
502105 "New..." dialog only looks for VI templates in the LabVIEW directory, which is not writable on Linux systems
503234 Dropping an XNode, that contains the method "Synchronize in all Contexts", onto the block diagram causes LabVIEW to crash.
503610 In rare cases, a LabVIEW shared variable causes a LabVIEW-built executable to load with a broken run arrow.
505523 Diff and Merge do not work with Enable Hyperlinks
508525 Improve "Select a VI" experience with Quick Drop Replace and Insert
509097 LabVIEW crashes when sending an empty input array to the Preallocated Read from File VI
509204 Format Into String outputs an incorrect string when using Timestamp data and an order modifier
510063 LabVIEW does not exit properly after encountering a NIER exception
510881 LabVIEW Crash when saving Library containing Shared Variables with Class Object in Typedef.
510908 Application Bulder slows when builds involve PPLs with controls in them
511588 Currently selected item in the Connector Pane selection menu is not outlined
511708 LabVIEW crashes when use "save method" to save MathScript UDF VI if MathScript and Control Design and Simulation Modules are both installed
511770 The Waveform Unbundle/Bundle node pair on InPlace Element Structures cannot be scripted
512153 Cursor in LabVIEW can disappear when switching between tools.
512294 Crash in search 1D array when run on VI with host interface node
512464 After making a change in Format Into String, the containing VI does not recompile automatically.
512761 The input XML containing "\n" hangs the LabVIEW storage VIs.
513188 Improved Bookmark Manager performance by adding additional caching.
513259 Substitute Actor VI does not transfer nested actors
513281 Improved error handling in
513457 "Change to Array" menu option should not appear on tab controls or XControls.
513871 MAX/NIER report: Access violation in lvrt.dll!std::_Tree
513963 Classes containg NaN values compare incorrectly when using the Equals function
514518 LabVIEW 2014 crashes upon close while an RFmx example VI is running continuously from a LabVIEW Project context.
515054 Icon transparency of VIs is not maintained when building a Source Distribution
515086 Building VIs with certain recursive dependencies can cause a LabVIEW crash
515223 Advanced TDMS Write broken wire behavior is incorrect.
515309 LabVIEW may crash or hang while running a VI that displays a File Dialog in Mac OS X 10.10
515763 The To Long Integer conversion bullet can crash when converting a float64 array to an int32 array if the start of the input data (just after the dimsize) is not 16 bytes aligned.
515779 Invoke node Append String returns error 1043 while display style set to backslash "\" codes
515884 LabVIEW crashes when using the Class Browser to select a class which contains an accessor avaliable via property nodes
515920 DAbort 0x0037C03D in MemoryManager.cpp due to timestamp handle in the Data Storage VIs
516057 LabVIEW Application Builder API Build (path).vi returns unclear error 1055 when Build Specification name or target name is incorrect
516217 In rare circumstances, the synchronous WebDAV VIs can deadlock when run on a cRIO target
516227 UI Thread LabVIEW code cannot execute while a Time Stamp Control's 'Set Time and Date' window is visible.
516506 'Build All' error does not indicate which build specification failed.
516674 LabVIEW crashes when dragging a class member VI from the Class Browser onto an Untitled VI of a Library
516841 VeriStand crashes after manipulating a System Definition via the System Explorer
516905 Cannot get VI Path/Name for Type Definitions, Classes, or Global VIs if dependency is missing
517128 Error 1357 when building using two VIs with the same name and only capitalization differences
517307 Mass Compile of VeriStand 2014 LabVIEW examples will crash LabVIEW
519216 LabVIEW crash when closing subVI Icon Editor that was opened from VI Hierarchy.
519533 IDFinder downloads the wrong version of VIs for Instrument drivers
519665 LV crashes when copying user event data while handling high priority user events
520343 Runtime popup menus appear on the Project properties dialog
521114 Property VIs of classes do not require that inputs/outputs match the class itself
521509 LabVIEW security update
524370 LabVIEW 2014 crashes on VI load if old error cluster controls are connected to case structures or conditional terminals
526044 VISA Resource and DAQmx resource controls in VIs called using COM interface sometimes incorrectly retain their value from a previous VI call rather than using the value provided as input.
526291 Attempting to color a strictly typed front panel control can potentially crash LabVIEW.
527145 In rare cases, an RT Actor Framework application crashes when connecting the project to the RT Target
530158 In certain cases the Array Max & Min primitive can output the incorrect value for the Max Value terminal.

Glossary of Terms


  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on  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).