diff --git a/docs/static/releasenotes.asciidoc b/docs/static/releasenotes.asciidoc
index e393db92e22..897ce838e28 100644
--- a/docs/static/releasenotes.asciidoc
+++ b/docs/static/releasenotes.asciidoc
@@ -66,8 +66,15 @@ This section summarizes the changes in the following releases:
 
 [[logstash-8-14-3]]
 === Logstash 8.14.3 Release Notes
-IMPORTANT: Update to Logstash version 8.15 or later because with the JSON serialization fix for payloads that are not UTF-8 (https://github.com/elastic/logstash/pull/16168[#16168])
-a performance regression was introduced that was fixed with https://github.com/elastic/logstash/pull/16313[#16313].
+
+[[known-issues-8-14-3]]
+==== Known issue
+
+**{ls} in serializing non UTF-8 JSON payloads suffer of performance regression.**
+Starting from version `8.14.1` was introduced a fix in handling JSON from non UTF-8 strings https://github.com/elastic/logstash/issues/15833[#15833].
+This fix introduced a performance regression that was solved with https://github.com/elastic/logstash/pull/16313[#16313] and
+released starting with version `8.15.0`.
+Workaround: update {ls} installation to `8.15.0` or later minor.
 
 [[notable-8.14.3]]
 ==== Enhancements and notable issues fixed