diff --git a/modules/release-notes/partials/docs-server-8.0.0-fixes-and-improvements.adoc b/modules/release-notes/partials/docs-server-8.0.0-fixes-and-improvements.adoc
index 66e7d5c44e..15de7c2401 100644
--- a/modules/release-notes/partials/docs-server-8.0.0-fixes-and-improvements.adoc
+++ b/modules/release-notes/partials/docs-server-8.0.0-fixes-and-improvements.adoc
@@ -168,6 +168,12 @@ A new REST API has been introduced to facilitate the deletion of specific global
 Data Service:::
 The Data-Service `external_auth_request_timeout` is now configurable, allowing users to set a value between 0 and the maximum 32-bit unsigned integer value. The default is set to 60 seconds, and the value can be passed in seconds.
 
+*https://jira.issues.couchbase.com/browse/MB-66015/[MB-66015]*::
+
+Subdoc get operations are now correctly permitted against locked documents.
+This is a change in behaviour: the operation now returns `SUCCESS`, where previously it returned `LOCKED`.
+The CAS is set to a special locked value, encoded as all ones (`0xffff_ffff_ffff_ffff`).
+
 *https://jira.issues.couchbase.com/browse/MB-67106/[MB-67106]*::
 
 *Metric Rename – Cache Miss Ratio → Get Miss Ratio*