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+## Version 2.19.6 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards version 2.19.6
+
+### Enhancements
+
+* Validate materialized view subqueries against SQL grammar deny list ([#5485](https://github.com/opensearch-project/sql/pull/5485))
+
+### Bug Fixes
+
+* Add ObjectInputFilter allowlist for deserialization in PlanSerializer, DefaultExpressionSerializer, and RelJsonSerializer ([#5469](https://github.com/opensearch-project/sql/pull/5469))
+
+### Infrastructure
+
+* Pin GitHub Actions to commit SHAs to prevent supply chain attacks ([#5573](https://github.com/opensearch-project/sql/pull/5573))
+
+### Maintenance
+
+* Bump assertj-core from 3.9.1 to 3.27.7 to address CVE-2026-24400 ([#5294](https://github.com/opensearch-project/sql/pull/5294))