Tanium Cloud Release Notes Endpoint Configuration

Release Date: June 4, 2026

Fixes

Fixed an issue where initial configuration could appear to hang indefinitely.

Release Date: May 21, 2026

Enhancements

Added the ability to configure a promotion window, including day and time, for the next ring in Endpoint Change Management.
Added the ability to configure a Distribute over Time per configuration for each ring.

Improvements

Added a new sensor for an upcoming feature, Endpoint Configuration - Automatic Uninstall Status.
Added tooltip to "Promotion Paused" status to indicate the reason it was paused.
Added new package to make disabling and enabling client extensions easier, Endpoint Configuration - Enable or Disable Client Extension.
Aligned Distribute over Time settings with Platform limits.
Enabled localization for other supported languages.
Reorganized Endpoint Configuration global settings to better clarify what settings affect tooling versus service.
Reduced endpoint cx-config memory footprint by reducing the size of the Endpoint Configuration manifest".
Updated text presented when disabling Client upgrades in Endpoint Change Management.

Fixes

Fixed an issue where multiple fresh endpoint operating systems may not install initial tooling properly.
Fixed an issue where audit logs display local time though filters are in UTC.

Release Date: March 11, 2026

Fixes

Fixed an issue where reprioritizing after deleting configuration items could result in duplication and incorrect ordering.
Fixed an issue where an admin could not delete a configuration item that was in a deleted content set.
Fixed an issue where migration steps might be slow when upgrading from older Endpoint Configuration builds.

Release Date: February 11, 2026

Improvements

Miscellaneous supportability improvements.

Release Date: Jan 27, 2026

Fixes

Fixed an issue where in rare cases an older version of ConfigCX could be installed.
Fixed an issue where a DQ'd manifest could cause no new manifests to be created.
Fixed an issue where an edit ring tooltip was present when it should not be.
Fixed an issue where endpoints may try to download toolset manifest files that are no longer present.
Fixed an issue where a change the Tanium Client version was shown as 'Unchanged' when it was changed.
Fixed an issue where an undeployed setting config would throw an error when trying to change the priority.
Fixed an issue where targeting in the UI would not update for changes to the Certificate Manager action group even though targeting was correct.
Fixed an issue where deleting an undeployed Index configuration would throw an error.
Fixed an issue where a new toolset was said to be available to use even though it was not yet ready.
Fixed an issue where upgrading from older versions of ECF could fail some migration tasks.
Fixed an issue where requests to hotfix an upgrade ring could time out.
Fixed an issue where the ECF service could error out due to database connectivity issues.
Fixed an issue where an error could be returned when reordering config items from a module.

Release Date: Dec 11, 2025

Improvements

Miscellaneous supportability improvements.

Release Date: Nov 10, 2025

Improvements

Added metrics for tracking DoT on ECF tool distribution.
Added pagination to Configuration lists for better page performance.
Updated the Approvals page to use new method of username to show the action user.
Added better logging for tool install failures in service logs.
Updated the API and database for performance improvements.

Fixes

Fixed an issue where filtering by modules not installed still lists all modules.
Fixed an issue where you could apply a hotfix even if the packages was not cached yet.
Fixed an issue where on the Audit Log page the From/To times would overrun the filters sections.
Fixed an issue where removing a config item by ID that has not yet been approved would fail.

Release Date: Oct 21, 2025

Improvements

Added the following saved actions to remediate situations where endpoint tool installations are in a waiting state.
- Tanium Reinstall Endpoint Config Tool [Windows]
- Tanium Reinstall Endpoint Config Tool [Non-Windows]

Release Date: Sep 15, 2025

Fixes

Fixed an issue where incorrect versions of Endpoint Tools could be deployed.
Improved debugging logging during certain error conditions.
Fixed an issue where not-yet-approved configuration items were not correctly visible in Deploy.

Release Date: August 19, 2025

Improvements

Added support for forthcoming performance improvements in cx-config.
Improved resource usage of backend handling of Toolset Manifests.
Added an API route to allow reset of ECF Service UUID in Configuration Manifest.

Fixes

Fixed an issue where Endpoint Configuration sensors could fail to execute on some AIX machines.
Added a more informative error message when approving a change fails.
Updated labels of Client Upgrades created for "Excluded Endpoints" to use the correct terminology.

Release Date: June 24, 2025

Enhancements

The Endpoint Configuration database has been further refactored to improve performance and scaling.

Improvements

Multiple minor user experience updates and bug fixes added for clarity and usability.
Clarified the effect of pause behavior in the UI and API.
Added internal metrics to better track configuration item consumers.

Fixes

Fixed an issue where resetting endpoint components would not remove all component settings.
Fixed an issue where negative user IDs could be supplied to filters allowing erroneous api calls.
Fixed an issue where an incorrect REGEX was used in the workbench for visuals.
Fixed an issue where some internal metrics were not displaying data for ECF.
Fixed an issue where DOT was unable to be set back to default settings.
Fixed an issue where the tools page was slow to respond when applying filters.

Release Date: March 17, 2025

Fixes

Fixed an issue where Change Management Client Upgrades did not create Client Deployments.

Release Date: February 3, 2025

Enhancements

Added back-end filtering capabilities that enhance performance and allow API users to look up configuration items by local-id.

Release Date: December 10, 2024

Enhancements

The Endpoint Configuration database has been refactored to use a new scheme to improve performance and scaling.
The Endpoint Configuration module now supports defining and progressing configurations through AEM rings.

Improvements

Improved visibility on Endpoint Change Management pages when Tanium Client upgrades are enabled with Toolset Manifest promotions.
AEM Ring Progressions are now recorded in the audit log.
Content Only solution updates are now recorded in the audit log.
Setting changes are now recorded in the audit log.
Upgraded various third-party libraries to newer versions.

Fixes

Fixed an issue where the Tanium Client upgrade deployment associated with a Toolset Manifest may not be created on Toolset Manifest promotion.
Fixed an issue with bootstrapping clients' configuration when FIPS is enabled.
Fixed an issue where promoting a hotfix to the Update Deferral Ring would not properly show the tool differences.

Release Date: September 17, 2024

Fixes

Fixed an issue that prevented end users from managing client upgrades via the endpoint change management rings.

Release Date: August 27, 2024

Important Note

This release of Endpoint Configuration enables Tanium Client upgrades through the change management feature for all Tanium Cloud customers. After the next Endpoint Configuration Toolset is deployed to Tanium Cloud, the client upgrade will begin in in the first upgrade ring.

Fixes

Fixed an issue where groups are not displayed properly in ECF configurations and approvals.
Fixed an issue where the python folders are not removed when using the Reset Components package

Release Date: July 1, 2024

Enhancements

Updates the audit page with performance and usability improvements. Users can browse and filter the Endpoint Configuration audit logs with more fluidity.

Improvements

Multiple minor user experience updates and bug fixes added for clarity and usability.
Increases compression of the Toolset for data transfer performance improvements.

Fixes

Fixes an issue where upgrades to Endpoint Configuration 2.2.134 may fail to install correctly.
Fixes an issue where the Reset CX Component package does not remove the TaniumCX_ssl extensions on an endpoint.
Fixes an issue where the audit workbench may crash when clearing filters and expanding or collapsing audit entry details.
Fixes an issue where an Endpoint Configuration Toolset Solution is imported it does not propagate the latest toolset in ring 1 under certain conditions.

Release Date: June 6, 2024

Fixes

Fixes an issue where existing configurations may be overwritten by other solutions with duplicate config item identifiers.
Fixes an issue where the cancel button can be pressed while applying a hotfix which incorrectly appears to cancel the promotion.
Fixes an issue where a toolset import may fail to populate the first upgrade ring in change management.
Fixes an issue where the default action group generation does not respect the restricted_targeting_recommended_configs platform setting.
Fixes an issue where the Endpoint Configuration workbench displays a dependency error when an apparent correct Endpoint Configuration Toolset solution is installed.
Updates the bootstrap package to cx-core to 2.9.1988.
Updates Node.JS

Release Date: April 23, 2024

Enhancements

Updates Endpoint Configuration to include default targeting for content only solutions developed and newly installed on customer environments
Adds the Upgrade Deferral Ring which allows customers to assign computer groups which will not receive any automatic client tooling or client upgrades. Upgrades can be done manually from the final, or All Computers, ring to the Upgrade Deferral Ring.
Endpoint Configuration now supports Client Upgrades. With this release of Endpoint Configuration, the Tanium Client will be added to toolset manifests. Endpoint Configuration will create client upgrades in Client Management with the same targeting as the change management ring. This will only be valid on new toolset manifest that are imported into Endpoint Configuration.
Adds support for the Semiannual release for on-premises customers.

Improvements

Adds the ability to export the toolset versions list from the workbench.
Adds the entire original list of Proposed By users in approvals.
Updates auditing mechanisms in Endpoint Configuration with additional Change Management functions.
Adds the date a ring was paused to a tooltip in change management.
Makes metadata within ECF approvals filterable.
Includes CX-Config 1.5.5741
Change management will now provide visible tool changes across rings that are paused.
Updates NodeJS

Fixes

Fixes an issue where the TaniumCX.exe.sig file is not removed when running the Reset Components * package.
Fixes an issue where the Proposed By column is empty if any users have been deleted in approvals.
Fixes errors and responses when calling Endpoint Configuration via API.
Fixes an issue where applying a hotfix to a stacked toolset is not functional.
Fixes an issue where deleting an Action Group assigned to a content only solution still shows as deployed in the Endpoint Configuration workbench.
Fixes an issue where attempting to create rings with duplicate names produces a 500 error.
Fixes an issue where the Edit Rings screen will error if you attempt to swap ring names.
Fixes an issue where users are unable to reverse-sort on the Proposed At field in approvals.
Fixes an issue where multiple columns are sorted in approvals does not provide expected results.
Updates the documentation link on the solutions page.
Fixes an issue where the Proposed By column hangs if a user lacks read users privileges in approvals.
Fixes an issue where the certain change management sensors may return [no results] on Solaris endpoints
Fixes an issue where sorting the Proposed By column in approvals causes the Endpoint Configuration workbench to error.
Fixes an issue where the Proposed By column may remove all user names under varying circumstances.

Release Date: February 15, 2024

Fixes

Fixes an issue where the Endpoint Configuration service can slowly the increase memory used over time.

Release Date: February 8, 2024

Enhancements

This release of Endpoint Configuration includes the new Endpoint Change Management feature. Tanium has separated the release vehicle for endpoint tooling from the modules and solutions themselves. Customers can now utilize rings of computer groups to provide a controlled endpoint tooling roll-out. See the Endpoint Configuration - Change Management User Guide and the What’s New in Endpoint Configuration 2.1 Community Article for more details.

Special Notes

Endpoint tools targeted on endpoints may be lower than currently installed tools. This version differences will be resolved as new Toolset Solutions are released to Tanium Cloud.

Release Date: January 18, 2024

Improvements

Includes tooling updates for security and bug fixes.
Implements the ability to enable shared process mode via Tanium Platform client setting.
Includes client extension health reporting improvements.
Updates client extensions for the macOS Universal Tanium Clients to new signed binaries.

Fixes

Fixes an issue where Core items in an Endpoint Must Gather (EMG) may fail on Amazon Linux 2023 and CentOS 8.

Tools Versions

Includes cx-core 2.8.1968
Includes cx-config 1.4.2884

Release Date: December 20, 2023

Improvements

Tool downloads now include download identifiers, improving the performance of downloads.

Fixes

Updates to 3rd party dependencies.
Fixes an issue where the allow URL list did not include all possible Toolset Manifest downloads.
Fixes an issue where Toolset Manifests would become active before all files were downloaded and confirmed available.

Tools Versions

Includes cx-core 2.8.2019
Includes cx-config 1.4.2884

Release Date: November 14, 2023

Improvements

The Configurations page now indicates if the associated module is still installed.

Fixes

Fixes an issue with the incorrect sorting of items on the Configurations page.
Fixes an issue with the description of the Endpoint Configuration – Block Tool package.

Tools Versions

Includes cx-core 2.8.2019
Includes cx-config 1.4.2884

Release Date: November 7, 2023

Fixes

Updates to 3rd party dependencies.
Fixes an issue with being unable to stat mount points.
Fixes an issue with configuration targeting not happening correctly after an endpoint awakes from sleep.
Addresses an issue where large configuration items are not processed correctly.
Increases the timeout on Client to Client Extension communication processing....

Tools Versions

Includes cx-core 2.8.2019
Includes cx-config 1.4.2881

Release Date: October 3, 2023

Fixes

Fixes an issue where setting the Manifest Action Quiet Period does not correctly limit manifest creation.
Fixes an issue where a Client Extensions shutdown event is not correctly logged in the extensions0 log file.
Fixes an issue where an incorrect mailbox call could cause the TaniumCX process to crash.

Tools Versions

Includes cx-core 2.8.2002
Includes cx-config 1.4.2881

Release Date: August 16, 2023

Fixes

Fixes an issue with client downloads failing until client reset.
Fixes an issue with Endpoint Configuration being unable to run Python-based sensors correctly.
Fixes an issue with the endpoint’s result-cache database growing too large
Fixes an issue with some logging missing events at the trace level
Fixes an issue where the endpoint CPU count could be incorrect on systems with more than 32 cores.

Security Updates

This release contains security updates to 3rd party dependencies.

Included Tool Versions

CX-Core 2.8.1995

CX-Config 1.4.2881

Release Date: July 21, 2023

Fixes

Fixes an issue that could cause delays with initial tools deployment to new endpoints.
Fixes an issue where upgrading a Content-only-solution could remove the tools for the content only solution
Fixes an issue with the performance of enumerating a large number of disk volumes on Linux systems
Fixes an issue where collecting system metrics on Mac machines could cause excessive CPU usage.
Fixes an issue where the download manager could fail to download tools when switching to a new tool installation.

Included Tool Versions

Cx-core 2.8.1985

Cx-config 1.4.2881

Release Date: June 28, 2023

Improvements

Separates the Endpoint Configuration and Client Management services.
Updates OpenSSL to 1.0.2zh.
Add additional protections against long running sensors executed by CX.
Add additional CX logging improvements.

Fixes

Resolves an issue where the Client Configuration and Support action fails on AIX endpoints.
Resolves an issue where performance metric capturing can cause bursts of high CPU utilization when very large numbers of zombie processes are present.
Resolves an issue where cx-config could hang after executing a sensor.
Resolves an issue where Client Extensions could stop logging after upgrades.