Trellix Data Loss Prevention Extension 11.12 Update 1 (11.12.1) Release Notes

Prev Next

Trellix Data Loss Prevention extension release 11.12 Update 1 (11.12.1) includes resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release. We recommend that you always upgrade to the most current update.

Rating for 11.12 Update 1 (11.12.1) extension

The rating defines the urgency for installing this update.

Recommended

This release is recommended for all environments. Apply this update at the earliest convenience.

For more information, see KB51560.

Release Details

Release date: September 30, 2025

Release build:

  • Trellix Data Loss Prevention extension 11.12.1.23

Note

Trellix Data Loss Prevention extension 11.12.1.23 is compatible with ePO - On-prem 5.10 CU15 only for the purpose of ePO - On-prem upgrade. After the upgrade, it is highly recommended to install ePO - On-prem 5.10 SP1 Update 1 (CU17) or SP1 Update 2 (CU18) or SP1 Update 3 (CU19) or SP1 Update 4 (CU20) or SP1 Update 5 (CU21) immediately without modifying the Trellix DLP policies.

  • Appliance Management extension— build 1.4.0.19

  • DLP Appliance Management extension — build 11.11.0.37

Resolved issues

For the DLP Endpoint for Windows resolved issues, see the Trellix Data Loss Prevention Endpoint for Windows 11.12.x Release Notes.

For the DLP Endpoint for Mac resolved issues, see the Trellix Data Loss Prevention Endpoint for Mac 11.11.x Release Notes.

For the DLP Discover resolved issues, see the Trellix Data Loss Prevention Discover 11.10.x Release Notes.

For the DLP Network Prevent resolved issues, see the Trellix Data Loss Prevention Prevent 11.11.x Release Notes.

For the DLP Network Monitor resolved issues, see the Trellix Data Loss Prevention Monitor 11.11.x Release Notes.

Resolved extension issues

Reference

Resolution

DLPO-18057

Fixed an issue with the Application File Access Protection (AFAP) rule for macOS, where multiple evidences were incorrectly reported under a single incident entry.

DLPO-19833

Fixed performance and latency issues within the DLP Policy Manager and Classifications, particularly when managing a large number of policies, rule sets, and rules.

DLPO-21095

Fixed an issue where non-Microsoft file extensions such as .wpd, .xy4, .ag, and .key were incorrectly included in the DLP True file type definitions for Microsoft Word, Excel, and PowerPoint.

DLPO-22020

Fixed an issue that caused an "unknown error occurred" message when duplicating the default DLP query in the Queries & Reports page.

DLPO-22251

Fixed an issue where the Total Content Size of a DLP incident did not match its evidence file sizes.

DLPO-22664

Fixed an issue where comments added in Windows Client Configuration and Mac OS X Client configuration were not saved.

DLPO-23155

Fixed an issue that prevented changes from being applied to DLP policies.



Known issues

For a list of current known issues, see: Trellix Data Loss Prevention 11.x.x Known Issues Article Number: 000013476.