The following items are notable issues fixed between the release of LabVIEW 2020 SP1 and LabVIEW 2021, including additional patches and service packs. If you have an issue ID, you can search this list to validate that the issue has been fixed. This is not an exhaustive list of issues fixed in the current version of LabVIEW.
|
Bug Number |
Legacy ID |
Description |
Details |
|---|---|---|---|
| 316382 | 607411 |
When using a LabVIEW-built .NET Interop Assembly in an ASP .NET application, the first call to the assembly will return a NullReferenceExceptionWorkaround: The exception only occurs on the first call to the assembly, so using a try-catch block to handle the exception will allow subsequent calls to behave normally. |
Reported Version: LabVIEW 2015 SP1 Resolved Version: LabVIEW 2021 Added: Feb 14, 2020 |
| 1210828 |
Crash When Using Array Size Inside For Loop That Indexes a SetWhen running a VI that iterates over a Set of Arrays with a For Loop and uses the Array Size function on an element, LabVIEW will crash. If you save the VI, then LabVIEW will crash when loading the VI. Workaround: Convert the set to an array before operating on the elements. Fixed in the LabVIEW 2019 SP1 f4 Patch. |
Reported Version: LabVIEW 2019 Resolved Version: LabVIEW 2021 Added: May 6, 2021 |
|
| 1229501 |
Memory Leak When Using "Get Next Non-Text Sibling.vi"LabVIEW leaks memory when using "Get Next Non-Text Sibling.vi" from NI_XML.lvlib. Workaround: Fixed in the LabVIEW 2019 SP1 f4 Patch. |
Reported Version: LabVIEW 2020 Resolved Version: LabVIEW 2021 Added: May 6, 2021 |
|
| 1249120 |
Crash if Variant to Data Processes ActiveX Data and the Output Is Not WiredWorkaround: Fixed in the LabVIEW 2019 SP1 f4 Patch. |
Reported Version: N/A Resolved Version: LabVIEW 2021 Added: May 6, 2021 |
|
| 1271213 |
Slow Execution of Comparison of Variants Containing Large DataLabVIEW makes unnecessary copies of data when doing comparison operations with Variants, which can result in slower performance in LabVIEW 2017 compared to earlier versions. Workaround: Fixed in the LabVIEW 2019 SP1 f4 Patch. |
Reported Version: N/A Resolved Version: LabVIEW 2021 Added: May 6, 2021 |
Installing some patches may require certain additional steps or considerations. Please refer to the following table for more information about patches for this release.
These patches currently do not have any special instructions.