Release 2.7.3 (2026-06-04)

• #1764 Fix FanoutRecordsPublisher restartFrom behavior at SHARD_END

Release (3.4.3 - April 30, 2026)

• #1734 Fix metricsScope not being closed properly in Scheduler.run
• #1731 Perform initial shard sync operation after leader election
• #1730 Add StreamType to StreamIdentifier and skip hash range ERROR logs for DynamoDB Streams
• #1729 Fix heartbeat not being stopped for graceful handoff lease in shutting down state
• #1670 Add lease count-based assignment strategy as an alternative to worker utilization-aware assignment

Release (3.4.2 - April 01, 2026)

• #1718 Fix stuck leases when worker restarts with pending checkpoint leases
• #1717 Refactor KinesisDataFetcher to use GetRecordsResponseAdapter
• #1715 Revert to use Set for metricsEnabledDimension
• #1713 Allow GetRecordsResponseAdapter to provide ProcessRecordsInput Mapping

Release 3.4.1 (March 2, 2026)

• #1708 Fix bug that occurs when maxPendingProcessRecordsInput is set to 0
• #1702 Shutdown migrationComponentsInitializer as part of graceful shutdown
• #1700 Fix shutdown behavior for DDBLeaseCoordinator

Release 3.4.0 (February 12, 2026)

• #1664 Add streamId support in KCL (reserved for future use)
• #1698 Introduce jitter to WorkerMetricStatsManager startup

Release 3.3.0 (January 23, 2026)

• #1653 Add missing PR in 3.2.1 changelog
• #1656 Log error if there is an issue in KPL record deaggregation
• #1657 Fix integ tests and add Github workflow to run integ tests
• #1669 Catch throwable in LAM performAssignment to prevent zombie leader
• #1662 Refactor E2E application integration test files to a singular package
• #1673 Avoid race condition in leader lock acquisition during shutdown
• #1674 Add maxPendingProcessRecordsInput config to PollingConfig
• #1645 Bump awssdk.version from 2.37.1 to 2.37.3
• #1689 Bump software.amazon.glue from 1.1.24 to 1.1.27

Release 3.2.1 (November 14, 2025)

• #1650 Remove explicit netty dependency to fix mismatched versions
• #1648 Capture subscribe exceptions in onError instead of throwing

Release 3.2.0 (November 5, 2025)

• #1482 Add config for leader lifetime and heartbeat
• #1533 Bump awssdk.version from 2.33.0 to 2.37.1
• #1634 Remove old commons-collections version
• #1635 Remove var keyword from unit test
• #1641 Bump netty-handler from 4.1.118.Final to 4.2.7.Final

Release 2.7.2 (2025-09-29)

• #1626 Upgrade awssdk from 2.25.64 to 2.33.0 and apache.commons from 3.14.0 to 3.18.0

• #1525 Bump com.google.protobuf:protobuf-java from 4.27.5 to 4.31.1

Release 3.1.3 (September 24, 2025)

• #1619 Bump awssdk from 2.31.77 to 2.33.0 and bump fasterxml.jackson from 2.12.7.1 to 2.20.0