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lightning_compress local+gzip checkpoint restore can deterministically fail with ErrChecksumMismatch after restart

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

component/import

component/lightningThis issue is related to Lightning of TiDB.This issue is related to Lightning of TiDB.

component/test

found/automationFound by automation testsFound by automation tests

severity/minor

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

Status: Open.

#67293 In pingcap/tidb;

· GMHDBJD opened on Mar 25, 2026

support projection in JoinGroup

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

Status: Open.

#67292 In pingcap/tidb;

· guo-shaoge opened on Mar 25, 2026

Planner fails with "Can't find column gid in schema" on a valid query over GROUPING/ROLLUP view

AI-Testing

fuzz/shiro

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#67288 In pingcap/tidb;

· hawkingrei opened on Mar 25, 2026

implement DP join reorder algorithm

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

Status: Open.

#67283 In pingcap/tidb;

· guo-shaoge opened on Mar 25, 2026

plugin.Open audit-1 fails on v8.5.6: plugin was built with a different version of package internal/godebugs

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

Status: Open.

#67282 In pingcap/tidb;

· together-wang opened on Mar 25, 2026

column masking policy: add observability metrics for lifecycle and runtime enforcement

Status: Open.

#67281 In pingcap/tidb;

· tiancaiamao opened on Mar 25, 2026

JoinReorder enhancement plan

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

Status: Open.

#67279 In pingcap/tidb;

· guo-shaoge opened on Mar 25, 2026

column masking policy: define snapshot/stale-read semantics and strengthen test coverage

Status: Open.

#67272 In pingcap/tidb;

· tiancaiamao opened on Mar 25, 2026

planner: malformed testkit.Rows calls pass all rows as a single concatenated string

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

Status: Open.

#67269 In pingcap/tidb;

· henrybw opened on Mar 25, 2026

Planner: parallel_apply + recursive CTE + LATERAL join drops rows from deeper recursion levels

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#67267 In pingcap/tidb;

· terry1purcell opened on Mar 24, 2026

Optimize FIND_IN_SET for constant strlist to reduce memory usage and improve performance

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

Status: Open.

#67263 In pingcap/tidb;

· gengliqi opened on Mar 24, 2026

add the reason of kill in log

sig/executionSIG executionSIG execution

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

Status: Open.

#67261 In pingcap/tidb;

· guo-shaoge opened on Mar 24, 2026