Vision Acquisition Software 20.5 Bug Fixes


The following items are notable issues fixed between the release of Vision Acquisition Software 20.0 and Vision Acquisition Software 20.5, 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 Vision Acquisition Software.

Bug Number

Legacy ID




"IMAQdx Calculate Frames per Second" VI returns incorrect results when running multiple parallel acquisitions

When running an application with multiple parallel acquisitions IMAQdx Calculate Frames per can result in incorrect results.


There is currently no known workaround for this issue.

Reported Version:

Vision Acquisition Software 20.0

Resolved Version:

Vision Acquisition Software 20.5


Oct 21, 2020

Additional Patch Information

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.

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  • Resolved Version - Version in which the issue was resolved or was no longer applicable.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).