30 Pull requests merged by 22 people

• MINOR: Cleanup Connect Module (1/n)

  #19869 merged Jul 10, 2025

• KAFKA-19485: Added check before sending acknowledgements on initial epoch.

  #20135 merged Jul 10, 2025

• MINOR: fix docker_release example

  #19427 merged Jul 10, 2025

• KAFKA-19488: Update the docs of "if-not-exists"

  #20133 merged Jul 10, 2025

• MINOR: Throw exceptions if source topic is missing

  #20123 merged Jul 9, 2025

• MINOR: Tidy up in AlterShareGroupOffsetsHandler

  #20130 merged Jul 9, 2025

• MINOR: Move partitions == 0 logic from waitForTopic to waitTopicDeletion

  #20108 merged Jul 9, 2025

• KAFKA-19466: LogConcurrencyTest should close the log when the test completes; migrate LogConcurrencyTest

  #20110 merged Jul 9, 2025

• KAFKA-19477: Sticky Assignor JMH Benchmark

  #20118 merged Jul 9, 2025

• KAFKA-19184; Add documentation for upgrading the kraft version

  #20071 merged Jul 9, 2025

• KAFKA-17715: Remove argument force_use_zk_connection from kafka_acls_cmd_with_optional_security_settings

  #19209 merged Jul 9, 2025

• KAFKA-19457: Make share group init retry interval configurable.

  #20104 merged Jul 9, 2025

• KAFKA-19450: ShareConsumerPerformance does not handle exceptions from consumeMessagesForSingleShareConsumer

  #20126 merged Jul 9, 2025

• KAFKA-19474: Move WARN log on log truncation below HWM

  #20106 merged Jul 9, 2025

• KAFKA-18681 Created GetReplicaLogInfo* RPCs

  #19664 merged Jul 8, 2025

• KAFKA-19390: Call safeForceUnmap() in AbstractIndex.resize() on Linux to prevent stale mmap of index files

  #19961 merged Jul 8, 2025

• KAFKA-18288: Fix Streams CLI describe

  #20099 merged Jul 8, 2025

• KAFKA-19478 [1/N]: Precompute values in ProcessState

  #20120 merged Jul 8, 2025

• MINOR: Prevent unnecessary test runs - KAFKA-19042 follow-up

  #20122 merged Jul 7, 2025

• MINOR: Fix build warning in Streams

  #20098 merged Jul 7, 2025

• KAFKA-19042 Move PlaintextConsumerTest to client-integration-tests module

  #20081 merged Jul 7, 2025

• KAFKA-19444: Add back JoinGroup v0 & v1

  #20116 merged Jul 7, 2025

• MINOR: Add 4.1 branch to CI

  #20112 merged Jul 7, 2025

• KAFKA-19315: Move ControllerMutationQuotaManager to server module

  #19807 merged Jul 6, 2025

• MINOR: Use <code> block instead of backtick

  #20107 merged Jul 6, 2025

• KAFKA-19221: Backport to 4.0

  #20072 merged Jul 5, 2025

• KAFKA-18035: Backport TransactionsTest testBumpTransactionalEpochWithTV2Disabled failed on trunk

  #20102 merged Jul 4, 2025

• KAFKA-19397: Ensure consistent metadata usage in produce request and response

  #19964 merged Jul 4, 2025

• KAFKA-19468: Ignore unsubscribed topics when computing share assignment

  #20101 merged Jul 4, 2025

• KAFKA-19363: Finalize heterogeneous simple share assignor

  #20074 merged Jul 4, 2025

27 Pull requests opened by 25 people

• KAFKA-19461: Add share group admin integration tests to PlaintextAdminIntegrationTest

  #20103 opened Jul 4, 2025

• KAFKA-19470 Avoid creating loggers repeatedly to affect the performance of request processing

  #20105 opened Jul 4, 2025

• KAFKA-19460 Improve documentation of fetch.min.bytes and replica.fetch.min.bytes

  #20111 opened Jul 6, 2025

• MINOR: typo in javadoc

  #20113 opened Jul 6, 2025

• (WIP)KAFKA-9965/KAFKA-13303: RoundRobinPartitioner broken by KIP-480

  #20114 opened Jul 6, 2025

• MINOR: Cleanup metadata module

  #20115 opened Jul 6, 2025

• KAFKA-19472 A BufferOverflowException is thrown by RemoteLogManager when FetchApiVersion <= 2

  #20117 opened Jul 7, 2025

• WIP: Optimizing the sticky assingor

  #20119 opened Jul 7, 2025

• KAFKA-19452: Fix flaky test LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments

  #20121 opened Jul 7, 2025

• KAFKA-19476: Improve state transition handling in SharePartition

  #20124 opened Jul 8, 2025

• KAFKA-19478 [2/N]: Remove task pairs

  #20127 opened Jul 8, 2025

• KAFKA-19480: Recreate /migration when it has null value

  #20128 opened Jul 8, 2025

• [KAFKA-19484] fix bug with tiered storage throttle metrics

  #20129 opened Jul 8, 2025

• MINOR: Refactor LockUtils and improve comments (follow up to KAFKA-19390)

  #20131 opened Jul 9, 2025

• MINOR: Upgrade log4j to version 2.25.0

  #20132 opened Jul 9, 2025

• KAFKA-19213 Client ignores default properties

  #20134 opened Jul 9, 2025

• KAFKA-19489: storage tool should check controller.quorum.voters is not set alongside a dynamic quorum flag when formatting

  #20136 opened Jul 9, 2025

• Minor: Use MV to enable ELR

  #20137 opened Jul 9, 2025

• Refactor code to avoid discovery conflicts for classes:{Supported|Finalized}VersionRange

  #20139 opened Jul 10, 2025

• MINOR:Add a description document to batchlength

  #20140 opened Jul 10, 2025

• KAFKA-19492: Add logging in deleteRecordsOnLocalLog for out of range …

  #20141 opened Jul 10, 2025

• KAFKA-19494: Undeprecate JoinGroup V0 & V1

  #20142 opened Jul 10, 2025

• KAFKA-19332: Fix flaky test : testAlterReadCommittedToReadUncommittedIsolationLevelWithReleaseAck and testAlterReadCommittedToReadUncommittedIsolationLevelWithRejectAck

  #20143 opened Jul 10, 2025

• Minor : Use specific error in compression catch handle

  #20144 opened Jul 10, 2025

• MINOR: fix e2e docs for test that cannot be run directly

  #20145 opened Jul 10, 2025

• [WIP] KAFKA-19012: Messages ending up on the wrong topic

  #20146 opened Jul 10, 2025

• KAFKA-19842: Fix flaky KafkaStreamsTelemetryIntegrationTest

  #20147 opened Jul 10, 2025

67 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• KAFKA-18105 Fix flaky PlaintextAdminIntegrationTest#testElectPreferredLeaders

  #20068 commented on Jul 10, 2025 • 20 new comments

• KAFKA-19276: Trigger rebalance for streams config update [WIP]

  #19967 commented on Jul 9, 2025 • 18 new comments

• KAFKA-19441: encapsulate MetadataImage in GroupCoordinator/ShareCoordinator

  #20061 commented on Jul 10, 2025 • 17 new comments

• KAFKA-19306: Migrate LogCompactionTester to tools module

  #19905 commented on Jul 11, 2025 • 17 new comments

• KAFKA-19301: Move and rewrite partition state classes to Java in org.apache.kafka.storage.internals.log

  #20083 commented on Jul 9, 2025 • 15 new comments

• KAFKA-18884: Move TransactionMetadata to transaction-coordinator module

  #19699 commented on Jul 8, 2025 • 13 new comments

• MINOR: Migrate CoordinatorLoaderImplTest from Scala to Java

  #20089 commented on Jul 9, 2025 • 12 new comments

• MINOR: Move ClientQuotasRequestTest to server module

  #20053 commented on Jul 8, 2025 • 11 new comments

• KAFKA-19377:Update /streams/developer-guide/security.html for KIP-1071

  #20084 commented on Jul 10, 2025 • 9 new comments

• KAFKA-19431: Ensure consumer and share assignment consistency with subscriptions

  #20055 commented on Jul 10, 2025 • 9 new comments

• KAFKA-19400: Update AddRaftVoterRequest RPC to version 1

  #19982 commented on Jul 10, 2025 • 9 new comments

• MINOR: Cleanups in storage module

  #20087 commented on Jul 8, 2025 • 8 new comments

• KAFKA-15599: Move KafkaMetadataLog to the raft module

  #19762 commented on Jul 7, 2025 • 8 new comments

• KAFKA-19427: Allow the coordinator to grow its buffer dynamically

  #20040 commented on Jul 9, 2025 • 7 new comments

• KAFKA-18336: Improve jmh tests on ACL in AuthorizerBenchmark and StandardAuthorizerUpdateBenchmark

  #18293 commented on Jul 10, 2025 • 6 new comments

• MINOR: Cleanups in coordinator-common/group-coordinator

  #20097 commented on Jul 9, 2025 • 6 new comments

• KAFKA-14915: allow read remote storage for multiple partitions in one fetchRequest

  #20045 commented on Jul 10, 2025 • 4 new comments

• Kafka-16505: Adding dead letter queue in Kafka Streams

  #17942 commented on Jul 7, 2025 • 4 new comments

• KAFKA-19254: Add generic feature level metrics

  #20021 commented on Jul 10, 2025 • 3 new comments

• KAFKA-19305 Ensure all image classes are immutable

  #19847 commented on Jul 10, 2025 • 3 new comments

• KAFKA-10844: groupBy without shuffling

  #18811 commented on Jul 9, 2025 • 3 new comments

• KAFKA-19435: Optimize `kafka-consumer-groups.sh` to return the offset info when some partitions without leaders

  #20064 commented on Jul 8, 2025 • 2 new comments

• KAFKA-19354: KRaft observer should fetch from leader after rediscovery

  #19854 commented on Jul 9, 2025 • 2 new comments

• KAFKA-17601: Inter-broker connections do not expose their clientSoftwareName and clientSoftwareVersion tags

  #17731 commented on Jul 10, 2025 • 1 new comment

• KAFKA-18149: Docs improvement for dynamic kraft quorum

  #18350 commented on Jul 7, 2025 • 1 new comment

• KAFKA-16913 - Support external schemas in JSONConverter

  #19449 commented on Jul 4, 2025 • 1 new comment

• KAFKA-19122: updateClusterMetadata receives multiples PartitionInfo

  #19803 commented on Jul 7, 2025 • 1 new comment

• KAFKA-6333 java.awt.headless should not be on commandline

  #20044 commented on Jul 4, 2025 • 0 new comments

• KAFKA-18166: Indefinite timeout when publishing events to RLMM (RemoteLogMetadataManager)

  #18097 commented on Jul 7, 2025 • 0 new comments

• KAFKA-10532: Handle state updater failed tasks

  #17761 commented on Jul 9, 2025 • 0 new comments

• Bug fixes for delete and state epoch.

  #20056 commented on Jul 5, 2025 • 0 new comments

• KAFKA-19443: test-common ClusterInstance should make it easy to have more listeners

  #20057 commented on Jul 5, 2025 • 0 new comments

• KAFKA-14830: Illegal state error in transactional producer

  #17022 commented on Jul 9, 2025 • 0 new comments

• KAFKA-17259: Support to override serverProperties and restart cluster in ClusterTestExtensions

  #16808 commented on Jul 7, 2025 • 0 new comments

• MINOR Enable Gradle remote caching

  #20073 commented on Jul 8, 2025 • 0 new comments

• MINOR: Cleanups in Connect

  #20077 commented on Jul 4, 2025 • 0 new comments

• KAFKA-19458: resume cleaning on future replica dir change

  #20082 commented on Jul 9, 2025 • 0 new comments

• KAFKA-16394: Fix null propagation in foreign key join result

  #15607 commented on Jul 7, 2025 • 0 new comments

• Minor : Increase Config change throwable log info to error

  #14380 commented on Jul 10, 2025 • 0 new comments

• KAFKA-19451: fix flaky test RemoteIndexCacheTest.testCacheEntryIsDeletedOnRemoval()

  #20085 commented on Jul 10, 2025 • 0 new comments

• KAFKA-13965: Document broker-side socket-server-metrics

  #20086 commented on Jul 10, 2025 • 0 new comments

• KAFKA-18402: Optimise of comparison on org.apache.kafka.common.Uuid

  #13627 commented on Jul 7, 2025 • 0 new comments

• KAFKA-14768_KIP913: add new method to provide possibility for warming up first record's sending and reducing the max.block.ms safely.

  #13320 commented on Jul 7, 2025 • 0 new comments

• MINOR: Cleanup Tools Module (1/n)

  #20091 commented on Jul 9, 2025 • 0 new comments

• KAFKA-15630 Improve documentation of offset.lag.max

  #20095 commented on Jul 8, 2025 • 0 new comments

• KAFKA-1194: changes needed to run on Windows

  #12331 commented on Jul 8, 2025 • 0 new comments

• KAFKA-17573: Move KRaftMetadataCache to metadata module

  #19232 commented on Jul 7, 2025 • 0 new comments

• KAFKA-18379: Enforce resigned cannot transition to any other state in same epoch

  #19236 commented on Jul 10, 2025 • 0 new comments

• MINOR: UnifiedLog topic-partition as attribute as it is stable

  #19253 commented on Jul 4, 2025 • 0 new comments

• KAFKA-18981: Fix flaky QuorumControllerTest.testMinIsrUpdateWithElr

  #19262 commented on Jul 7, 2025 • 0 new comments

• KAFKA-18563: move RaftClientTestContext RpcVersion methods into RaftProtocol

  #19349 commented on Jul 7, 2025 • 0 new comments

• KAFKA-18185: remove internal.leave.group.on.close config

  #19400 commented on Jul 9, 2025 • 0 new comments

• KAFKA-18752: Fix the warning of no-operation caused by slf4j in building kafka

  #19501 commented on Jul 9, 2025 • 0 new comments

• [WIP]KAFKA-18896 add KIP-877 support for Login

  #19527 commented on Jul 6, 2025 • 0 new comments

• KAFKA-16616: refactor mergeWith and updatePartitionLeadership

  #19199 commented on Jul 6, 2025 • 0 new comments

• KAFKA-13022: Optimize ClientQuotasImage#describe

  #19079 commented on Jul 7, 2025 • 0 new comments

• KAFKA-16717 [3/N]: Add AdminClient.alterShareGroupOffsets

  #19820 commented on Jul 9, 2025 • 0 new comments

• KAFKA-17651: Implement `describeUserScramCredentials`

  #19066 commented on Jul 9, 2025 • 0 new comments

• KAFKA-19048: Minimal movement replica balancing algorithm for reassignment

  #19858 commented on Jul 6, 2025 • 0 new comments

• KAFKA-19299: Fix race condition in RemoteIndexCacheTest

  #19927 commented on Jul 7, 2025 • 0 new comments

• Use switch expressions introduced in Java 14 to simplify code

  #18371 commented on Jul 4, 2025 • 0 new comments

• KAFKA-19259: Async consumer fetch intermittent delays on console consumer

  #19980 commented on Jul 9, 2025 • 0 new comments

• KAFKA-19425: Stop the server when fail to initialize to avoid local segment never got deleted.

  #20007 commented on Jul 8, 2025 • 0 new comments

• KAFKA 18238 - fIdentify the first commit where a test became flaky

  #18334 commented on Jul 7, 2025 • 0 new comments

• MINOR: Add tests on TxnOffsetCommit and EndTxnMarker protection against invalid producer epoch when TV2 is used

  #20024 commented on Jul 10, 2025 • 0 new comments

• KAFKA-19272: Add initPid Response handling when keepPrepared is set to true (KIP-939)

  #20039 commented on Jul 10, 2025 • 0 new comments

• KAFKA-10730: KafkaApis#handleProduceRequest should use auto-generated protocol

  #18216 commented on Jul 7, 2025 • 0 new comments