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DDL rerun when the previously flushed DML failed with error and it might cause the data syncing hard to resume

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

report/customerCustomers have encountered this bug.Customers have encountered this bug.

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

Status: Open.

#12514 In pingcap/tiflow;

· D3Hunter opened on Feb 3, 2026

upgrade tidb to support s3 listobjects API

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

Status: Open.

#12510 In pingcap/tiflow;

· Leavrth opened on Feb 2, 2026

Add more details when creating changefeed

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

component/apiHTTP API.HTTP API.

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

Status: Open.

#12501 In pingcap/tiflow;

· wk989898 opened on Jan 28, 2026

DM: Reduce "unhandled event" log level

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

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

Status: Open.

#12499 In pingcap/tiflow;

· kennytm opened on Jan 22, 2026

sync-diff-inspector: Memory grows with table size during chunk generation (OOM on large tables)

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

Status: Open.

#12492 In pingcap/tiflow;

· alastori opened on Jan 14, 2026

sync-diff-inspector: Checkpoint resume fails with TLS configuration

Status: Open.

#12491 In pingcap/tiflow;

· alastori opened on Jan 14, 2026

sync diff update pd safepoint failed without any message when log level is info

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

Status: Open.

#12489 In pingcap/tiflow;

· zhenemola opened on Jan 9, 2026

DMv8.1.2 dm-worker panic: runtime error: index out of range [21] with length 21

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

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.

impact/panic

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.5

severity/major

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

Status: Open.

#12488 In pingcap/tiflow;

· heshc opened on Jan 9, 2026

DM: Remove outdated roadmap.md

Status: Open.

#12472 In pingcap/tiflow;

· alastori opened on Dec 20, 2025

DDL table rewriting in dm parser pkg doesn't support foreign key rewrites

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

type/featureIssues about a new featureIssues about a new feature

Status: Open.

#12470 In pingcap/tiflow;

· a-cong opened on Dec 17, 2025

bump several golang dependencies to fix potential security issue.

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

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

dependenciesPull requests that update a dependency filePull requests that update a dependency file

severity/moderate

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

Status: Open.

#12468 In pingcap/tiflow;

· 3AceShowHand opened on Dec 15, 2025

DM：The right function is not supported as an expression index for synchronization downstream.

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

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.

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

Status: Open.

#12461 In pingcap/tiflow;

· jianglf4811 opened on Dec 11, 2025