2026 Optimizely Graph release notes

Follow this article to receive email notifications when new packages are available for Optimizely Graph. Product packages are found on the Optimizely NuGet server and and include updates to the following components:

• Optimizely.ContentGraph 

• Gateway 

• Service Deployments 

You can find prior versions of user guides and when functionality was released or deprecated at the following locations:

• Versioned user guides and release notes.
• Released functionality.
• Obsolete functionality.

Most recent releases

CMS to Graph Integration

April 21

Optimizely.ContentGraph.Cms 4.4.0

Enhancement

• Improved the resilience of the HttpClient configuration.

Bug fixes

• CMS-46635 – Fixed an issue where the Optimizely Graph full indexing job did not return error details when it failed to pull data about processing progress.
• CMS-47156 – Fixed an issue where LinkItem properties could generate incorrect or unclean language-specific URLs when linking to content across sites in Optimizely Graph.
• CMS-47939 – Fixed an issue where syncing Forms content containing List<ICondition> properties produced critical log errors during content type synchronization, even though indexing completed successfully.
• CMS-48801 – Fixed an issue where URLs stored in LinkItemCollection were not updated in Optimizely Graph when the referenced page was moved in the CMS tree.
• CMS-49458 – Fixed an issue where enabling a new language while Smooth Rebuild was active caused the language to be enabled only in the live slot instead of the rebuild slot.

January 20

Optimizely.ContentGraph.Cms 4.3.1

Bug fixes

• CMS-47482 – Fixed an issue where LinkItem properties returned from Optimizely Graph did not correctly encode special characters in the “Remaining URL” portion of the link.
• CMS-47995 – Fixed the content type synchronization issue that was occurring when content ID 1 was missing.

January 5

Optimizely.ContentGraph.Cms 4.3.0

Enhancement

• Added an in-memory queue system for event indexing to control the number of content items processed in parallel, preventing system overload during large content imports or publishing operations.

Bug fixes

• CMS-47223 – Fixed an issue where a full indexing job failed with a null reference exception when a content type included an integer property named "Id" and PreventFieldCollision was set to false. Additionally, validation has been added to prevent the use of reserved content type names such as SiteDefinition.
• CMS-47386 – Fixed an issue where the number of failed items in the delta indexing job output was incorrectly displayed twice (as 303303 instead of 303).
• CMS-47487 – Fixed an issue where content with a null name failed to sync to the graph.
• CMS-47011 – Fixed an issue where publishing a project would freeze the user interface until indexing was complete. Project publishing is now non-blocking, allowing users to continue working while indexing occurs asynchronously.

Gateway

All Gateway release notes for 2026 will be here

Service Deployment

February 2

Service Deployment 5.6.0

Enhancement

• Added Smooth Rebuild support to allow rebuilding Graph indexes with minimal disruption by keeping the existing index available while a new one is prepared. This approach helps reduce downtime and provides a safer way to apply schema or configuration changes to Graph indexes. Learn more about Smooth Rebuild.

Bug fixes

• CG-15806 – Fixed an issue where Smooth Rebuild was returning 0 results on subsequent runs.