diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/6_8_0/4850-fix-dropped-securitycontext-cr.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/6_8_0/4850-fix-dropped-securitycontext-cr.yaml
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+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/6_8_0/4850-fix-dropped-securitycontext-cr.yaml
@@ -0,0 +1,7 @@
+---
+type: fix
+issue: 4850
+title: "When running clinical-reasoning module in partitioned environment with threading options enabled, security context 
+was dropping on async executor of measure processor, which blocked it from accessing required resources for measure evaluations (library, patients, etc). 
+To fix this we updated MeasureProcessor to have an injectable executor property which is now being loaded from a bean 
+in hapi-fhir's clinical-reasoning configuration, with needed security context delegation"