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server id lease not released when tidb exit

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

Status: Open.

#64191 In pingcap/tidb;

· AmoebaProtozoa opened on Oct 30, 2025

Correctly propagate error

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.

#64183 In pingcap/tidb;

· jfrabaute-arista opened on Oct 29, 2025

Optimize the plan selection logic for LIMIT and TopN

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64181 In pingcap/tidb;

· guo-shaoge opened on Oct 29, 2025

Non-clustered partitioned table after EXCHANGE PARTITION can get DUPLICATE KEY on _tidb_rowid

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

Status: Open.

#64176 In pingcap/tidb;

· mjonss opened on Oct 29, 2025

The update of TiFlash replica status for all tables in the cluster may be blocked by a DML statement on one of the tables.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

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

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

component/tiflash

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.

#64173 In pingcap/tidb;

· JaySon-Huang opened on Oct 29, 2025

SEMv2 failed to limit many privileges

severity/moderate

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

Status: Open.

#64159 In pingcap/tidb;

· YangKeao opened on Oct 28, 2025

assertion <code>HashCode should not change after ReHashCode is called</code>

component/test

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64156 In pingcap/tidb;

· hawkingrei opened on Oct 28, 2025

Support Restore to Next-Gen Clusters in BR

component/brThis issue is related to BR of TiDB.This issue is related to BR of TiDB.

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

Status: Open.

#64152 In pingcap/tidb;

· 3pointer opened on Oct 28, 2025

WEIGHT_STRING of U+FFFD collate utf8mb4_general_ci is changed between v8.5.2 and v8.5.3, leading to silent data-index inconsistency

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

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

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

component/charset

found/gsfound by gsfound by gs

impact/upgrade

severity/major

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

type/regression

Status: Open.

#64144 In pingcap/tidb;

· kennytm opened on Oct 27, 2025

Bypass the internal analyze request’s consumption of RU

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

Status: Open.

#64142 In pingcap/tidb;

· JmPotato opened on Oct 27, 2025

<code>sys.schema_unused_indexes</code> doesn't work well

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

Status: Open.

#64141 In pingcap/tidb;

· YangKeao opened on Oct 27, 2025

Upgrade of Individual component using Tiup is doing a full reload again

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

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

Status: Open.

#64140 In pingcap/tidb;

· kabileshKabi opened on Oct 27, 2025