NI-Digital Pattern Driver 2026 Q3 Bug Fixes

Created Jul 27, 2026

Overview

The following items are notable issues fixed between the release of NI-Digital Pattern Driver 2026 Q2 and NI-Digital Pattern Driver 2026 Q3, 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 NI-Digital Pattern Driver.

Glossary of Terms

Bug Number	Legacy ID	Description	Details
3789584		System.AccessViolationException When Using Breakpoints in .NET Application is Enabled If you enable the Using Breakpoints in C/C++/.NET Applications checkbox in the NI Digital Pattern Editor or InstrumentStudio when creating a new NI-Digital session using .NET with an empty OptionString object, you may receive a System.AccessViolationException. Workaround: Pass a non-empty string for the OptionString parameter. For example, "DriverSetup=Model:6570".	Reported Version: NI-Digital Pattern Driver and Digital Pattern Editor: 2026 Q1 Resolved Version: NI-Digital Pattern Driver and Digital Pattern Editor: 2026 Q3 Added: N/A

Bug Number

Legacy ID

Description

Details

3789584

System.AccessViolationException When Using Breakpoints in .NET Application is Enabled

If you enable the Using Breakpoints in C/C++/.NET Applications checkbox in the NI Digital Pattern Editor or InstrumentStudio when creating a new NI-Digital session using .NET with an empty OptionString object, you may receive a System.AccessViolationException.

Workaround:

Pass a non-empty string for the OptionString parameter. For example, "DriverSetup=Model:6570".

Reported Version:

NI-Digital Pattern Driver and Digital Pattern Editor: 2026 Q1

Resolved Version:

NI-Digital Pattern Driver and Digital Pattern Editor: 2026 Q3

Added:

N/A

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 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).