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Amazon EMR introduces Long Term Support with Apache Spark 4.1

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AWS·Sep 22, 2026, 08:00 AMFeatureSecurity-relevantAI-assisted summary

Summary

Introduces 36‑month Long Term Support (LTS) for EMR Spark 8.1.0 / Apache Spark 4.1, extending critical security, bug, and data‑corruption fixes at no extra cost
Adds full Apache Iceberg v3 support, auto‑detection of Iceberg, Delta Lake, and Hudi tables in Spark SQL, and expands fine‑grained column/row access control to more Iceberg ops and Delta Lake VACUUM
Enables Spark Connect endpoints with token‑based authentication on EMR on EKS clusters

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Official source Last checked Oct 5, 2026, 10:00 AM

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