Issues

• Support SPIFFE Workload API mTLS for MySQL and TiDB sinks

  contributionfirst-time-contributor
  pingcap/ticdc#6469 · Filter by author nanassito opened on Oct 8, 2026
  1

• Integration tests start unused TiFlash by default

  component/testseverity/minortype/bug
  pingcap/ticdc#6462 · Filter by author asddongmen opened on Oct 8, 2026
  

• Checkpoint metrics may disappear temporarily during rolling restarts

  affects-8.5affects-26.9type/enhancement
  pingcap/ticdc#6459 · Filter by author lidezhu opened on Oct 8, 2026

• api,cli: prevent credential corruption and exposure after redaction

  affects-8.5affects-26.9component/apicomponent/clicomponent/configurationcomponent/metrics-loggingseverity/majorsubject/correctnesstype/bug
  pingcap/ticdc#6457 · Filter by author 3AceShowHand opened on Oct 8, 2026
  

• Dispatcher move may lose the origin dispatcher’s final checkpoint

  affects-8.5affects-26.9severity/majortype/bug
  pingcap/ticdc#6454 · Filter by author lidezhu opened on Oct 8, 2026

• Changefeeds with tens of thousands of tables can stop making progress

  severity/moderatesubject/replication-interruptiontype/bug
  pingcap/ticdc#6453 · Filter by author 3AceShowHand opened on Oct 8, 2026
  2

• CDC rejects TiKV 26.9.0-alpha via maxTiKVVersion (26.4.0); changefeed never bootstraps and checkpoint stays at the start TSO

  may-affects-8.5may-affects-25.10may-affects-26.3may-affects-26.9
  pingcap/ticdc#6450 · Filter by author Lily2025 opened on Oct 8, 2026
  5

  

• Add syncpoint ts and lag metric to maintainer

  contributionfirst-time-contributortype/enhancement
  pingcap/ticdc#6446 · Filter by author shreyasp-db opened on Oct 7, 2026
  1

• Found data race in dispatchermanager

  affects-8.5affects-26.9severity/majortype/bug
  pingcap/ticdc#6421 · Filter by author wk989898 opened on Oct 2, 2026

• TiCDC new arch: table with NOT NULL UNIQUE KEY (no PK) is never split for MySQL sink

  contributiontype/bug
  pingcap/ticdc#6418 · Filter by author choudharypankaj opened on Oct 1, 2026

• eventservice: scan retry can lose spilled inserts from large UK updates

  severity/moderatetype/bug
  pingcap/ticdc#6415 · Filter by author asddongmen opened on Sep 30, 2026
  

• The changefeed checkpoint lag fluctuates by slightly over one second

  contributionfirst-time-contributortype/bug
  pingcap/ticdc#6397 · Filter by author july2993 opened on Sep 28, 2026
  1

• eventstore: share local normal and redo subscriptions

  type/enhancement
  pingcap/ticdc#6356 · Filter by author wlwilliamx opened on Sep 23, 2026
  

• DMLEvent serialization drops row checksum metadata

  affects-8.5affects-26.9severity/majortype/bug
  pingcap/ticdc#6342 · Filter by author wk989898 opened on Sep 22, 2026
  1

  

• row checksum is incorrect when enable avro-include-before-value

  severity/moderatetype/bug
  pingcap/ticdc#6339 · Filter by author wk989898 opened on Sep 22, 2026
  1

• eventcollector: clean up unused dispatcher timezone code

  affects-8.5type/enhancement
  pingcap/ticdc#6335 · Filter by author lidezhu opened on Sep 22, 2026

• SchemaStore shutdown may exceed the graceful timeout during snapshot initialization

  affects-8.5severity/moderate
  pingcap/ticdc#6333 · Filter by author lidezhu opened on Sep 22, 2026

• kafka consumer: improve downstream write throughput

  component/testtype/enhancement
  pingcap/ticdc#6315 · Filter by author 3AceShowHand opened on Sep 20, 2026
  

• TiCDC panics on duplicate update and insert rows in unsafe batch SQL

  affects-8.5affects-26.9severity/criticaltype/bug
  pingcap/ticdc#6312 · Filter by author pingyu opened on Sep 20, 2026
  2

  

• allow changefeed operation with the same upstream cluster

  type/enhancement
  pingcap/ticdc#6285 · Filter by author 3AceShowHand opened on Sep 18, 2026
  

• Support creating changefeeds in a paused state

  type/feature-request
  pingcap/ticdc#6266 · Filter by author sdojjy opened on Sep 15, 2026

• redo apply oom

  affects-8.5type/enhancement
  pingcap/ticdc#6252 · Filter by author wk989898 opened on Sep 14, 2026

• rebalance dispatchers by traffic when table splitting is disabled

  type/enhancement
  pingcap/ticdc#6251 · Filter by author wk989898 opened on Sep 14, 2026
  

• canal-json: output the transaction start_ts in the _tidb extension block

  type/feature-request
  pingcap/ticdc#6242 · Filter by author choudharypankaj opened on Sep 12, 2026
  1

• tests: Kafka split-table move case exhausts downstream DDL disk

  type/bug
  pingcap/ticdc#6232 · Filter by author asddongmen opened on Sep 12, 2026