diff --git a/documentation/src/docs/asciidoc/release-notes/release-notes-5.10.5.adoc b/documentation/src/docs/asciidoc/release-notes/release-notes-5.10.5.adoc
index f7ec10435279..b6823d8cf239 100644
--- a/documentation/src/docs/asciidoc/release-notes/release-notes-5.10.5.adoc
+++ b/documentation/src/docs/asciidoc/release-notes/release-notes-5.10.5.adoc
@@ -16,7 +16,9 @@ on GitHub.
 [[release-notes-5.10.5-junit-platform-bug-fixes]]
 ==== Bug Fixes
 
-* ❓
+* Fix regression in parallel execution that was introduced in 5.10.4 regarding global
+  read-write locks. When such a lock was declared on descendants of top-level nodes in the
+  test tree, such as Cucumber scenarios, test execution failed.
 
 [[release-notes-5.10.5-junit-platform-deprecations-and-breaking-changes]]
 ==== Deprecations and Breaking Changes