feat: release note entry for mendix tracing in datadog

Author: pappachino

content/en/docs/releasenotes/deployment/mendix-cloud/2026.md

@@ -8,6 +8,12 @@ weight: 1
 
 ## February 2026
 
+### February 26, 2026
+
+#### New Features
+
+* The Datadog APM integration now supports [mendix traces](/developerportal/operate/datadog-metrics/#mendix-tracing)
+
 ### February 18, 2026
 
 #### New Features