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E-MapReduce:Release notes: July 31, 2025

Last Updated:Jul 17, 2026

EMR Serverless Spark introduces platform management updates in this release.

Overview

This release updates the platform management capabilities of EMR Serverless Spark.

Platform updates

Feature

Description

References

Data catalog

You can now add multiple DLF (formerly DLF 2.5) data catalogs to run a federated query.

Before adding a DLF data catalog, remove all DLF 1.0 data catalogs.

Manage data catalogs

Livy Gateway

Livy Gateway now supports DLF by default. Tasks submitted through Livy automatically use the DLF data catalogs in your EMR Serverless Spark workspace.

Manage Livy Gateway

Kyuubi Gateway

The Kyuubi Gateway Applications tab now includes the Status parameter, which shows the status of the most recent task in the session.

Manage Kyuubi Gateway