Logo
The Release Notes page has loaded.

Release Notes

September 2026 – released Sitecore Headless Rendering 23.0.0

Highlights

Sitecore Headless Rendering 23.0.0 includes:

  • Headless Services update.
  • Sitecore Experience Edge Connector update.

New features/improvements

ContextDescriptionReference
Headless ServiceAdded support for LTSC 2025 containers.PDXP-28674
Headless ServiceAligned third-party package versions with the platform.PDXP-30670
Headless ServiceEnhanced security by hiding sensitive information associated with submit actions.PDXP-13910
Headless ServiceAdded support for page-level testing in Layout Service.PDXP-7006
Headless ServiceUpdated the JavaScript library versions used by form items.PDXP-16759
Edge ConnectorAdded support for LTSC 2025 containers.PDXP-11550
Edge ConnectorImproved the IsItemAncestorPublishable functionality.PDXP-20954
Edge ConnectorAligned third-party package versions with the platform.PDXP-26734, PDXP-30671
Edge ConnectorAdded logging for failed acknowledgments during processing.617010

Resolved issues

The following issues have been fixed:

ContextDescriptionReference
Headless ServiceFixed an Experience Editor error that reported no renderer for a form element type.DEVEX-3774 DEVEX-3744
Headless ServiceFixed an issue that prevented JSS forms from working.DEVEX-3223
Headless ServiceFixed the Close Experience Editor button.DEVEX-4038
Headless ServiceFixed an InvalidOperationException that occurred when using the Tracking API.DEVEX-3892
Headless ServiceRestored the ability to customize JsonFormBuilderController following the DEVEX-3223 fix.PDXP-22577
Headless ServiceFixed headless React form submissions that failed when the Sitecore.JavaScriptServices.NetFxHost assembly was missing.PDXP-17660
Headless ServiceFixed an issue where the Preview API returned incorrect layout data.PDXP-19240
Headless ServiceFixed GraphQL search queries that ignored the language version of items specified in Droplink fields.DEVEX-3102
Headless ServiceFixed an issue where the link URL property was empty for an item's fallback language version.PDXP-21758
Headless ServiceFixed Preview API Playground autocomplete tooltips that did not dismiss automatically while typing.PDXP-23189
Headless ServiceFixed Preview API searches on JsonValue fields that returned null for fallback items.PDXP-23191
Headless ServiceFixed the GraphQL Edge schema so template types continue to implement their base template types.DEVEX-3276, 619735
Headless ServiceFixed internal links that incorrectly included the hostname when two configured sites shared the same home item.PDXP-20880, PDXP-11714, PDXP-14003
Headless ServiceFixed site resolution when multiple site definitions with different languages pointed to the same start item.609240
Edge ConnectorReduced excessive logging of the "Workflow item/state is invalid" message.609650, 600080
Edge ConnectorFixed SiteInfoCollection so it updates sites when they are removed or modified.622055
Edge ConnectorFixed an issue affecting users without item read access.PDXP-4678, 625352
Edge ConnectorFixed an issue where publishing modified media to Edge did not update the value from the page item.PDXP-6925, PDXP-13884
Edge ConnectorFixed an issue where field-level language fallback did not update the fallback language version in the Delivery API.PDXP-26917