diff --git a/docs/CHANGELOG.asciidoc b/docs/CHANGELOG.asciidoc
index 477862e780e78..5864a4b346f20 100644
--- a/docs/CHANGELOG.asciidoc
+++ b/docs/CHANGELOG.asciidoc
@@ -109,6 +109,11 @@ coming::[8.19.0]
 
 Review the following information about the {kib} 8.19.0 release.
 
+[float]
+[[known-issues-8.19.0]]
+=== Known issues
+include::CHANGELOG.asciidoc[tag=known-issue-230275]
+
 [float]
 [[breaking-changes-8.19.0]]
 === Breaking changes
@@ -490,7 +495,12 @@ Search::
 [[release-notes-8.18.4]]
 == {kib} 8.18.4
 
-The 8.18.4 release includes the following fixes.
+The 8.18.4 release includes the following known issues and fixes.
+
+[float]
+[[known-issues-8.18.4]]
+=== Known issues
+include::CHANGELOG.asciidoc[tag=known-issue-230275]
 
 [float]
 [[fixes-v8.18.4]]
@@ -526,7 +536,7 @@ Search::
 [[release-notes-8.18.3]]
 == {kib} 8.18.3
 
-The 8.18.3 release includes the following fixes.
+The 8.18.3 release includes the following known issues and fixes.
 
 IMPORTANT: The 8.18.3 release contains fixes for potential security vulnerabilities. Check our link:https://discuss.elastic.co/c/announcements/security-announcements/31[security advisory for more details].
 
@@ -537,6 +547,20 @@ include::CHANGELOG.asciidoc[tag=known-issue-227976]
 include::CHANGELOG.asciidoc[tag=known-issue-1508]
 include::CHANGELOG.asciidoc[tag=known-issue-2088]
 
+// tag::known-issue-230275[]
+.Issues with rules occur when xpack.alerting.rules.run.alerts.max is set to a value greater than 5000.
+[%collapsible]
+====
+*Details* +
+
+If you've set `xpack.alerting.rules.run.alerts.max` to a value greater than `5000`, you will encounter `Result window is too large` error messages when a maintenance window is active.
+
+*Workaround* +
+To mitigate the issue, set `xpack.alerting.rules.run.alerts.max` to a value equal to or less than `5000`.
+
+====
+// end::known-issue-230275[]
+
 [float]
 [[enhancement-v8.18.3]]
 === Enhancements