Updates 6.4.3 release notes
@@ -52,6 +52,9 @@ Machine learning::
[float]
=== Bug fixes
+Aggregations::
+* Check self references in metric agg after last doc collection (#33593) {pull}34001[#34001]
+
Authentication::
* ListenableFuture should preserve ThreadContext {pull}34394[#34394]
* Allow an AuthenticationResult to return metadata {pull}34382[#34382] (issues: {issue}34290[#34290], {issue}34332[#34332])
