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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-11-04 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/doc-history.md

Summary

Added documentation for the new AWS::APS::AnomalyDetector resource, describing anomaly detection for Prometheus metrics.

Security assessment

Anomaly detection is an operational feature, not explicitly tied to security vulnerabilities or security documentation.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/doc-history.md b/AWSCloudFormation/latest/TemplateReference/doc-history.md
index e96e90df5..69be92cf8 100644
--- a//AWSCloudFormation/latest/TemplateReference/doc-history.md
+++ b//AWSCloudFormation/latest/TemplateReference/doc-history.md
@@ -28,0 +29,5 @@ Change| Description| Date
+[New resource](./aws-template-resource-type-ref.html#AWS_APS)| The following resource was added: AWS::APS::AnomalyDetector.
+
+[AWS::APS::AnomalyDetector](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-aps-anomaly-detector.html)
+     Anomaly detection uses the Random Cut Forest algorithm for time-series analysis. The anomaly detector analyzes Amazon Managed Service for Prometheus metrics to identify unusual patterns and behaviors. For more information, see [PreviewAnomalyDetector API](https://docs.aws.amazon.com/prometheus/latest/userguide/anomaly-detection-api.html) in the _Amazon Managed Service for Prometheus User Guide_.
+| October 30, 2025