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E-MapReduce:Release notes for EMR Serverless Spark - July 31,2025

Last Updated:Mar 26, 2026

Release notes for E-MapReduce (EMR) Serverless Spark on July 31, 2025.

Platform updates

Released April 15, 2025. This release includes the following platform management updates.

Feature Description References
Data catalog Add multiple DLF (formerly DLF 2.5) data catalogs to run federated queries.
Important

Before adding a DLF data catalog, remove all DLF 1.0 data catalogs from your Serverless Spark workspace.

Manage data catalogs
Livy Gateway Livy Gateway supports DLF by default. Tasks submitted through Livy can use the DLF data catalogs added in your Serverless Spark workspace. Manage Livy Gateway
Kyuubi Gateway The Applications tab of Kyuubi Gateway includes the Status parameter, which shows the status of the most recent task execution in the session. Manage Kyuubi Gateways