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Release notes

These release notes list any new features, enhancements, fixes, and breaking changes implemented between version 5.19.0 and version 5.20.0 of Hazelcast Platform Operator.

Release date: 2026-09-29

For help installing and running Operator, see Install Operator and deploy a Hazelcast cluster.

New features

Added support for multiple user code sources: User Code Namespaces can now download JAR files from multiple buckets, URLs, and ConfigMaps, allowing user code to be assembled from multiple sources instead of being limited to a single source configuration.

Enhancements

Improved Jet job failure reporting: Enhanced JetJob failure handling to provide clearer error information when job submission or execution fails, making it easier to identify and troubleshoot the cause of a failure.

Fixes

Fixed unnecessary TLS configuration updates: Keystore and truststore files are now updated only when the content of the referenced Secret changes, preventing unnecessary TLS configuration updates when the Secret itself has not changed.