Merge pull request #298310 from jeacla/docs-editor/apache-spark-34-runtime-1744753753

Update apache-spark-34-runtime.md

Author: prmerger-automator[bot]

articles/synapse-analytics/spark/apache-spark-34-runtime.md

@@ -10,7 +10,13 @@ ms.custom: devx-track-python
 ms.date: 11/17/2023 
 ---
 
-# Azure Synapse Runtime for Apache Spark 3.4 (GA)
+# Azure Synapse Runtime for Apache Spark 3.4 (EOSA)
+
+> [!WARNING]
+> End of Support Announcement
+> - End of support announced for Azure Synapse Runtime for Apache Spark 3.4.
+> - Azure Synapse Runtime for Apache Spark 3.4 will be deprecated and disabled March 31, 2026. 
+
 Azure Synapse Analytics supports multiple runtimes for Apache Spark. This document covers the runtime components and versions for the Azure Synapse Runtime for Apache Spark 3.4.
 
 ## Component versions