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Add GitHub Actions workflow for automated PR build and unit tests

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

Status: Open.

#4011 In pingcap/ticdc;

· tenfyzhong opened on Jan 16, 2026

[Limitation] TiCDC can't not handle DDL as alter table xx add column xx datetime default current_timestamp properly

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

affects-9.0This bug affects the 9.0.x versions.This bug affects the 9.0.x versions.

severity/major

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

Status: Open.

#4007 In pingcap/ticdc;

· haiboumich opened on Jan 15, 2026

With 200,000 tables, the Sync Point got stuck when the CDC server restarted

severity/major

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

Status: Open.

#4006 In pingcap/ticdc;

· hongyunyan opened on Jan 15, 2026

optimize schema store memory usage during start when there are many tables

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

Status: Open.

#3987 In pingcap/ticdc;

· lidezhu opened on Jan 12, 2026

batch on delete cause the resolved-ts spikes and tikv-cdc memory quota full

severity/moderate

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

Status: Open.

#3986 In pingcap/ticdc;

· 3AceShowHand opened on Jan 12, 2026

cancel the workload script cause the resolved-ts spike

severity/moderate

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

Status: Open.

#3971 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

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

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

severity/major

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

Status: Open.

#3949 In pingcap/ticdc;

· wlwilliamx opened on Jan 7, 2026

Failed to create changefeed after scale-in pd

severity/moderate

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

Status: Open.

#3945 In pingcap/ticdc;

· wk989898 opened on Jan 7, 2026

Implement CMEK Encryption Support for TiCDC Next-Gen Architecture

severity/major

type/feature-requestCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.

Status: Open.

#3943 In pingcap/ticdc;

· tenfyzhong opened on Jan 7, 2026