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• [VOTE] KIP-1283: Clarify KafkaStreams cleanUp semantics to preserve process metadata and state directory lock file Sanghyeok An
• [jira] [Created] (KAFKA-20309) Too many SharePollEvents created Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20308) Update TopologyTestDriver to support for headers-aware stores Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20307) Add Interactive Queries (IQv1) support for headers-aware stores Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20306) StreamsGroupCommand does not display committed offsets for repartition topics Lucas Brutschy (Jira)
• [jira] [Created] (KAFKA-20305) clampDynamicConfigs flag for KafkaConfigs constructor Sean Quah (Jira)
• [DISCUSS} KIP-1292: New MirrorMaker2 Connector for syncing consumer group offsets Tina Selenge
• [Vote] KIP-1291: Extended I/O Metrics Collection Sahil Devgon
• [jira] [Created] (KAFKA-20304) Implement all required ReadOnly*Facade classes Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20079) Improve Connect configurable components discoverability Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20303) optimize deserializers and HeadersBytesStore Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20300) Add assignment batching and offload broker configs Sean Quah (Jira)
• [jira] [Reopened] (KAFKA-20258) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20258) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20261) Upgrade path for plain window store to headers store Matthias J. Sax (Jira)
• READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Henry Haiying Cai via dev
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Chris Egerton
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Henry Haiying Cai via dev
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Chris Egerton
• [jira] [Created] (KAFKA-20302) Receive buffers allocated from MemoryPool may not be released if request is invalid Edoardo Comar (Jira)
• [jira] [Resolved] (KAFKA-17895) Expose KeyValueStore's approximateNumEntries as a metric Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20301) Integration tests for upgrade and downgrade SessionStore with headers Bill Bejeck (Jira)
• Missing Cwiki account provision Aditya Kousik
• [jira] [Resolved] (KAFKA-20296) Flaky testAsyncConsumerPerPartitionLeadMetricsCleanUpWithSubscribe Lianet Magrans (Jira)
• [jira] [Resolved] (KAFKA-19884) Add tests to ensure Consumer.close() timeouts work as documented TengYao Chi (Jira)
• [PR] kafka-20238 removed zk mbeans from kafka4+ [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20300) Add assignment batching and offload broker configs Sean Quah (Jira)
• [jira] [Created] (KAFKA-20299) Cleanup `use_share_groups` in system tests Sanskar Jhajharia (Jira)
• Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management Luke Chen
  • Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management Chia-Ping Tsai
  • Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management PoAn Yang
• [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl nileshkumar3
  • Re: [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl Chia-Ping Tsai
  • Re: [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl nileshkumar3
• [jira] [Created] (KAFKA-20298) Update integration tests to run with combinations of assignment batching and offload Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20269) Refactor GroupMetadataManager assignment updates Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20268) Start group epochs at 2 Sean Quah (Jira)
• [jira] [Created] (KAFKA-20297) cleanup org.apache.kafka.common.utils Chia-Ping Tsai (Jira)
• [jira] [Resolved] (KAFKA-20037) Additional group configurations for share groups Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-20290) Add KIP-1240 information to upgrade documentation Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-19709) Add LegacyCheckpointingStateStore Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20296) Flaky testAsyncConsumerPerPartitionLeadMetricsCleanUpWithSubscribe Lianet Magrans (Jira)
• [DISCUSS] KIP:1295: Dead letter queue support for global store/KTable Arpit Goyal
• [jira] [Resolved] (KAFKA-20090) TV2 can allow for ongoing transactions with max epoch that never complete Justine Olshan (Jira)
• [jira] [Created] (KAFKA-20295) Removed controllers still in metadata, blocking finalizing upgrade to 4.2.0 Roland Sommer (Jira)
• [jira] [Resolved] (KAFKA-20162) Validation and enforcement of group configurations Andrew Schofield (Jira)
• [Please approve GA workflow runs and/or provide a review] PR: "MINOR: version updates for build and test dependencies" Dejan Stojadinović
• [jira] [Resolved] (KAFKA-20281) Enhance docs and test coverage for `producer-props` and `command-property` Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20294) Metadata-Version-Aware Configuration Constraints Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20293) Add comprehensive Markdown documentation for CLI tools Chia-Ping Tsai (Jira)
• RE: Re: [DISCUSS] KIP-646: Serializer API should support ByteBuffer Florentin Simion
  • RE: Re: [DISCUSS] KIP-646: Serializer API should support ByteBuffer Florentin Simion
• [jira] [Resolved] (KAFKA-20271) Initialize assignment epoch to -1 when there is no assignment yet Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20160) Group configuration for share.partition.max.record.locks Andrew Schofield (Jira)
• [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
• [jira] [Resolved] (KAFKA-19740) Depreacte broker-level config group.coordinator.rebalance.protocols Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20292) Implement assignor offload Sean Quah (Jira)
• [jira] [Created] (KAFKA-20291) Implement assignment batchng Sean Quah (Jira)
• [jira] [Created] (KAFKA-20290) Add KIP-1240 information to upgrade documentation Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-19144) Move DelayedProduce to server module Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20289) Broker configs with group config names masquerading as static broker config Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20287) Verify (and potentially fix) if all CF handles (and other objects) are closed correctly Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20288) Remove orphaned groups from GroupConfigManager Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20286) Refactor ControllerRegistrationManager Jonah Hooper (Jira)
• [jira] [Resolved] (KAFKA-20273) Trigger rebalance on downgrade to classic group when assignment is stale David Jacot (Jira)
• [jira] [Created] (KAFKA-20285) Mpve UncleanLeaderElectionTest to server module Mickael Maison (Jira)
• [jira] [Resolved] (KAFKA-20272) Rebalance classic members only on new assignment David Jacot (Jira)
• [jira] [Created] (KAFKA-20284) Migrate or eliminate core TestUtils Chia-Ping Tsai (Jira)
• [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams 黃竣陽
  • Re: [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams Lucas Brutschy via dev
  • Re: [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams Sanghyeok An
• [jira] [Created] (KAFKA-20283) [CVE-2025-11143] [jetty-http] Krishna Chidrawar (Jira)
• [jira] [Created] (KAFKA-20282) Classic consumer log recommendation for next gen Consumer rebalance protocol Lianet Magrans (Jira)
• [jira] [Resolved] (KAFKA-20254) Streams group replay fails after log compaction removes classic group tombstone Lucas Brutschy (Jira)
• [PR] Add warning about KAFKA-20254 migration bug to 4.2 docs [kafka-site] via GitHub
  • Re: [PR] Add warning about KAFKA-20254 migration bug to 4.2 docs [kafka-site] via GitHub
• [PR] KAFKA-20265: Add canonical URL tags to Kafka Javadoc pages to point search engines to suggest latest stable version [kafka-site] via GitHub
• [VOTE] KIP-1242: Detection and handling of misrouted connections Andrew Schofield
  • RE: [VOTE] KIP-1242: Detection and handling of misrouted connections Gaurav Narula
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Rajini Sivaram
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Omnia Ibrahim
• [jira] [Resolved] (KAFKA-20161) Group configuration for share.renew.acknowledge.enable Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20281) Enhance docs and test coverage for `producer-props` and `command-property` Chia-Ping Tsai (Jira)
• Re: [DISCUSS] KIP-1191 — Feedback on implementation-level safety guards vaquar khan
  • Re: [DISCUSS] KIP-1191 — Feedback on implementation-level safety guards Andrew Schofield
• [jira] [Created] (KAFKA-20280) DLQ not supported for ProductionExceptionHander on global thread Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20279) Refactor `AbstractConfigurableStoreFactory#dslStoreFormat()` Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20278) Refactor and clean the code in HeadersStoreUpgradeIntegrationTest Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20277) Verify existing IQv2 methods for SessionStoreWithHeaders Bill Bejeck (Jira)
• [PR Review Request] KAFKA-19863: Add documentation for custom exception handlers (KIP-1034) Rajarshi Misra
• [jira] [Resolved] (KAFKA-20266) Record assignment timestamps David Jacot (Jira)
• [jira] [Resolved] (KAFKA-20274) GitHub Actions job "Docker Image CVE Scanner" fails Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20276) API to read data between offsets Werner Daehn (Jira)
• [jira] [Created] (KAFKA-20275) API to set commit offsets without being subscribed Werner Daehn (Jira)
• [jira] [Created] (KAFKA-20274) GitHub Actions job "Docker Image CVE Scanner" fails Jira
• [jira] [Created] (KAFKA-20273) Trigger rebalance on downgrade to classic group with outdated assignment Sean Quah (Jira)
• [jira] [Created] (KAFKA-20272) Rebalance classic members only on new assignment Sean Quah (Jira)
• [jira] [Created] (KAFKA-20271) Initialize assignment epoch to -1 when there is no assignment yet Sean Quah (Jira)
• IntelliJ Plugin Migration James Fredley
  • Re: IntelliJ Plugin Migration Mickael Maison
• [jira] [Resolved] (KAFKA-20134) Implement TimestampedWindowStoreWithHeaders TengYao Chi (Jira)
• [jira] [Created] (KAFKA-20270) jetty-server vulnerability CVE-2026-1605 Aleksei Veremeev (Jira)
• [jira] [Created] (KAFKA-20269) Refactor GroupMetadataManager assignment updates Sean Quah (Jira)
• [jira] [Created] (KAFKA-20268) Start group epochs at 2 Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20248) Support fields that are not yet supported in StreamsGroup. Lucas Brutschy (Jira)
• [jira] [Created] (KAFKA-20267) Move LogCleanerParameterizedIntegrationTest to storage module Maros Orsak (Jira)
• [PR] MINOR: fix: the broken link of version 0.8.0 [kafka-site] via GitHub
  • Re: [PR] MINOR: fix: the broken link of version 0.8.0 [kafka-site] via GitHub
• [VOTE]KIP-1266: Bounding The Number Of RemoteLogMetadata Messages via Compacted Topic Lijun Tong
• [jira] [Created] (KAFKA-20266) Record assignment timestamps Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-19652) Consumer throughput drops by 10 times with Kafka v3.9.0 in ZK mode Chia-Ping Tsai (Jira)
• [jira] [Resolved] (KAFKA-13678) 2nd punctuation using STREAM_TIME does not respect scheduled interval Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20265) Add canonical URL tags to Kafka Javadoc pages to point search engines to suggest latest stable version Martijn Visser (Jira)
• [jira] [Resolved] (KAFKA-20178) Move LogCleanerIntegrationTest to storage module Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20264) `MERGE_REPARTITION_TOPICS` optimization fails depending on which branch of a merged stream contains the key-changing operation appchemist (Jira)
• [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions 黃竣陽
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions 黃竣陽
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions David Jacot
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Ryan Leslie (BLOOMBERG/ NEW YORK)
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions 黃竣陽
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Ryan Leslie (BLOOMBERG/ NEW YORK)
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions 黃竣陽
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Sikka (Simranjit) Singh
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1282: Prevent data loss during partition expansion for dynamically added partitions 黃竣陽
• [jira] [Created] (KAFKA-20263) Change KeyValueWrapper to have versioned and headersStore Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20262) Changelog tombstone records drop custom headers when using headers-aware state stores TengYao Chi (Jira)
• [jira] [Created] (KAFKA-20261) Upgrade path for plain window store to headers store Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20260) Upgrade path from plain KV store to headers store Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20259) Verify IQv1 and IQv2 does not break Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20255) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
  • [jira] [Resolved] (KAFKA-20255) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20258) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20257) Implement new behaviour in GlobalStateManagerImpl Nicholas Telford (Jira)
• [jira] [Created] (KAFKA-20256) DLQManager interace and default impl Sushant Mahajan (Jira)
• [jira] [Created] (KAFKA-20255) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20132) Implement TimestampedKeyValueStoreWithHeaders Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20254) Streams group replay fails after log compaction removes classic group tombstone Lucas Brutschy (Jira)
• [jira] [Created] (KAFKA-20253) High CPU loop on consumer after failed re-authentication Jira
• [VOTE] 4.0.2 RC3 Viktor Somogyi-Vass
  • Re: [VOTE] 4.0.2 RC3 Andrew Schofield
  • Re: [VOTE] 4.0.2 RC3 Mickael Maison
  • Re: [VOTE] 4.0.2 RC3 Christo Lolov
• [jira] [Resolved] (KAFKA-20158) Implement SessionStoreWithHeaders Bill Bejeck (Jira)
• [VOTE] KIP-1262: Enable auto-formatting directories Kevin Wu
  • Re: [VOTE] KIP-1262: Enable auto-formatting directories Alyssa Huang via dev
  • Re: [VOTE] KIP-1262: Enable auto-formatting directories Jun Rao via dev
• [jira] [Resolved] (KAFKA-20241) Jackson core vulnerability GHSA-72hv-8253-57qq Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20252) Migrate clearYammerMetrics to TestUtils Maros Orsak (Jira)
• [jira] [Created] (KAFKA-20251) Add assignment batching and offload configs Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-19655) The normal topic auto-creation paths should use num.partitions and default.replication.factor from the controller properties Luke Chen (Jira)
• [jira] [Resolved] (KAFKA-20211) Add new group coordinator executor metrics David Jacot (Jira)
• [jira] [Resolved] (KAFKA-20250) Move UnifiedLogTest to storage module Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20250) Move UnifiedLogTest to storage module Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20249) Optimize rawValue methods across all Deserializers Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20248) Support fields that are not yet supported in StreamsGroup. sanghyeok An (Jira)
• [PR] Review request for KAFKA-14597 Prince Raiyani
• KIP-1293: Add Time-Shift Parameter to Kafka Streams Punctuation Scheduling Ankur Sinha
  • Re: KIP-1293: Add Time-Shift Parameter to Kafka Streams Punctuation Scheduling Matthias J. Sax
  • Re: [EXT] Re: KIP-1293: Add Time-Shift Parameter to Kafka Streams Punctuation Scheduling Ankur Sinha
  • Re: [EXT] Re: KIP-1293: Add Time-Shift Parameter to Kafka Streams Punctuation Scheduling Matthias J. Sax
• [jira] [Created] (KAFKA-20247) ControllerRegistrationManager does not retry registration after timing out Kevin Wu (Jira)
• [jira] [Resolved] (KAFKA-20210) Add group.coordinator.executor.threads config David Jacot (Jira)
• [PR] MINOR: add instruction how to update live website [kafka-site] via GitHub
  • Re: [PR] MINOR: add instruction how to update live website [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20246) Detection and handling of misrouted connections Andrew Schofield (Jira)
• [PR] Kafka-20242 Fix broken release notes links [kafka-site] via GitHub
  • Re: [PR] KAFKA-20242: Fix broken release notes links [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20245) Implementation for dead-letter queues for share groups Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20244) Kafka 5.0.0 updates for KIP-1280 Mickael Maison (Jira)
• [jira] [Resolved] (KAFKA-20157) Partition Size Percentage Metrics for Storage Monitoring Manan Gupta (Jira)
• [jira] [Created] (KAFKA-20243) TCP connection count per client.id Nebojsa Simic (Jira)
• [jira] [Created] (KAFKA-20242) Release notes links are broken in documentation Anton Agestam (Jira)
• [jira] [Created] (KAFKA-20241) Jackson core vulnerability GHSA-72hv-8253-57qq Aleksei Veremeev (Jira)
• Re: [DISCUSS] KIP-1164: Topic Based Batch Coordinator Ivan Yurchenko
  • Re: [DISCUSS] KIP-1164: Topic Based Batch Coordinator Stanislav Kozlovski
  • Re: [DISCUSS] KIP-1164: Topic Based Batch Coordinator vaquar khan
• Re: [DISCUSS] KIP-1163: Diskless Core Ivan Yurchenko
  • Re: [DISCUSS] KIP-1163: Diskless Core Jun Rao via dev
• [jira] [Created] (KAFKA-20240) Update upgrade.md to mention new configs Sean Quah (Jira)
• [jira] [Created] (KAFKA-20239) Document Kafka ACLs required for Connect workers Dale Lane (Jira)
  • Re: [jira] [Created] (KAFKA-20239) Document Kafka ACLs required for Connect workers Dale Lane
  • Re: [jira] [Created] (KAFKA-20239) Document Kafka ACLs required for Connect workers Mickael Maison
• [jira] [Created] (KAFKA-20238) Kafka 4.0+ monitoring documentation still includes some controller metrics only supported in ZK mode mapan (Jira)
• [jira] [Created] (KAFKA-20237) TransactionManager stuck in `INITIALIZING` state after initial SSL handshake failure Yin Lei (Jira)
• [jira] [Resolved] (KAFKA-20204) Remove partition-level `ExpiresPerSec`metrics when the broker no longer ownsthe partition Chia-Ping Tsai (Jira)
• Proposal: document required ACLs for Kafka Connect workers Dale Lane
  • Re: Proposal: document required ACLs for Kafka Connect workers Andrew Schofield
• KIP-1164: Batch Coordinator & Exactly-Once Semantics (EOS) Data Safety vaquar khan
  • Re: KIP-1164: Batch Coordinator & Exactly-Once Semantics (EOS) Data Safety Josep Prat
  • Re: KIP-1164: Batch Coordinator & Exactly-Once Semantics (EOS) Data Safety vaquar khan

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