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ser/de preserve_order in RepartitionExec

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20797 In apache/datafusion;

· haohuaijin opened on Mar 8, 2026

Very high memory usage for unnest + group by

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20788 In apache/datafusion;

· psuszyns opened on Mar 7, 2026

physical_planner::tests::test_optimization_invariant_checker fails when run with release-nonlto profile

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20786 In apache/datafusion;

· Omega359 opened on Mar 7, 2026

Subtraction overflow in <code>max_distinct_count</code> when hash join has a pushed-down limit

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20779 In apache/datafusion;

· gabotechs opened on Mar 7, 2026

Handle DynamicFilters crossing BufferExec nodes

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20778 In apache/datafusion;

· gabotechs opened on Mar 7, 2026

Implement cache-efficient partial aggregation by Leis et al

enhancementNew feature or requestNew feature or request

performanceMake DataFusion fasterMake DataFusion faster

Status: Open.

Feature

#20773 In apache/datafusion;

· Dandandan opened on Mar 7, 2026

Optimize array_positions() for scalar needle

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20769 In apache/datafusion;

· neilconway opened on Mar 7, 2026

EPIC: Making use of NDVs (number of distinct values) in DataFusion

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20766 In apache/datafusion;

· jonathanc-n opened on Mar 7, 2026

Support ListView in unnest

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20759 In apache/datafusion;

· brancz opened on Mar 6, 2026

Create a CI job that builds without the lockfile

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20757 In apache/datafusion;

· westonpace opened on Mar 6, 2026

Latest substrait patch release does not compile against DF

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20756 In apache/datafusion;

· westonpace opened on Mar 6, 2026

Support pluggable cast resolution to support casting to and from extension types

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20755 In apache/datafusion;

· paleolimbot opened on Mar 6, 2026