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Changefeed may stuck when dispatcher move during cross table DDL

severity/minor

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3974 In pingcap/ticdc;

· hongyunyan opened on Jan 9, 2026

cancel the workload script cause the resolved-ts spike

Status: Open.

#3971 In pingcap/ticdc;

· 3AceShowHand opened on Jan 9, 2026

kafka sink not robust when the kafka cluster unstable

Status: Open.

#3967 In pingcap/ticdc;

· 3AceShowHand opened on Jan 9, 2026

Improve error logging for Debezium encoding failures

contributionThis PR is from a community contributor.This PR is from a community contributor.

first-time-contributorIndicates that the PR was contributed by an external member and is a first-time contributor.Indicates that the PR was contributed by an external member and is a first-time contributor.

Status: Open.

#3964 In pingcap/ticdc;

· takaidohigasi opened on Jan 8, 2026

Can't Successfully Delete Changefeed when maintainer unbootstraped

severity/moderate

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3962 In pingcap/ticdc;

· hongyunyan opened on Jan 8, 2026

macOS integration binaries script often falls back due to GitHub API rate limits

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#3960 In pingcap/ticdc;

· wlwilliamx opened on Jan 8, 2026

In canal-json codec, the string <code>"null"</code> is translated to <code>null</code>

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

severity/critical

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3958 In pingcap/ticdc;

· kennytm opened on Jan 8, 2026

changefeed lag is more than 5s which is larger than disable redo log and larger than old-arch

may-affects-9.0

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3957 In pingcap/ticdc;

· Lily2025 opened on Jan 8, 2026

Changefeed resume not successfully if changefeed have previous errs

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3953 In pingcap/ticdc;

· hongyunyan opened on Jan 8, 2026

Changefeed meet <code>ErrKafkaAsyncSendMessage</code> error and doesn't recover automaticly

Status: Open.

#3952 In pingcap/ticdc;

· hongyunyan opened on Jan 8, 2026

compact range stuck

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#3951 In pingcap/ticdc;

· lidezhu opened on Jan 7, 2026

Prevent TiCDC from Using the Same TiDB Cluster as Both Upstream and Downstream

Status: Open.

#3949 In pingcap/ticdc;

· wlwilliamx opened on Jan 7, 2026