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[FLINK] Support CONCAT and CONCAT_WS functions

enhancementNew feature or requestNew feature or request

Status: Open.

#12439 In apache/gluten;

· Hw-TinY opened on Jul 3, 2026

[VL] ORC column mapping mode (orc.force.positional.evolution / orcUseColumnNames) is global, but must be decided per-file — a query joining a _col* table and a named-column table cannot be read correctly

bugSomething isn't workingSomething isn't working

triage

Status: Open.

#12436 In apache/gluten;

· beliefer opened on Jul 3, 2026

[FLINK] Add support for collecting task metrics

enhancementNew feature or requestNew feature or request

Status: Open.

#12429 In apache/gluten;

· KevinyhZou opened on Jul 2, 2026

[FLINK] Support columnar StreamRecordTimestampInserter for native sink offload

enhancementNew feature or requestNew feature or request

Status: Open.

#12426 In apache/gluten;

· ggjh-159 opened on Jul 2, 2026

[VL] Exchange reuse not applied due to unnormalized Alias in GenerateExecTransformer's generator

bugSomething isn't workingSomething isn't working

triage

Status: Open.

#12413 In apache/gluten;

· jiangjiangtian opened on Jul 1, 2026

[VL] Migrate to use AlmaLinux8 in CI

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

Status: Open.

#12412 In apache/gluten;

· zhouyuan opened on Jul 1, 2026

When timezone param of unix_timestamp is CST, ambiguous zone will lead different result.

bugSomething isn't workingSomething isn't working

triage

Status: Open.

#12411 In apache/gluten;

· littlelittlewhite09 opened on Jul 1, 2026

[VL] Optimize Delta Lake Deletion Vector processing on remote storage

Status: Open.

#12399 In apache/gluten;

· iemejia opened on Jun 30, 2026

[FLINK] Implement WatermarkStatus propagation

enhancementNew feature or requestNew feature or request

Status: Open.

#12397 In apache/gluten;

· lgbo-ustc opened on Jun 30, 2026

Consolidate JniLibLoader.load() as a thin delegate of loadAndCreateLink()

Status: Open.

#12394 In apache/gluten;

· LuciferYang opened on Jun 29, 2026

[VL] Native memory OOMs the test/executor JVM when reading large (billions-of-rows) Delta tables with deletion vectors

bugSomething isn't workingSomething isn't working

triage

Status: Open.

#12387 In apache/gluten;

· felipepessoto opened on Jun 28, 2026

[VL] Native Delta DV bitmap aggregator aborts on a Long.MAX_VALUE sentinel row index during MERGE with deletion vectors (intermittent VeloxRuntimeError)

bugSomething isn't workingSomething isn't working

triage

Status: Open.

#12377 In apache/gluten;

· felipepessoto opened on Jun 26, 2026