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Nesting async UDF calls causes an internal error

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20031 In apache/datafusion;

· andreashgk opened on Jan 27, 2026

Indeterministic test failure in <code>SpillPool</code>

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20027 In apache/datafusion;

· 2010YOUY01 opened on Jan 27, 2026

Explore replacing ad-hoc parsing logic in datafusion-examples with a nom-based parser

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20025 In apache/datafusion;

· cj-zhukov opened on Jan 27, 2026

Unify the Prettier versions

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20024 In apache/datafusion;

· cj-zhukov opened on Jan 27, 2026

Unifying Operator Handling with the Scalar Function Framework

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20018 In apache/datafusion;

· Acfboy opened on Jan 27, 2026

Physical plan proto roundtrip for null-valued scalar of a <code>Struct(Dict)</code> data type

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20011 In apache/datafusion;

· dispanser opened on Jan 26, 2026

Consolidate ClickBench Setup Documentation in benchmarks/README.md

Status: Open.

#20007 In apache/datafusion;

· kosiew opened on Jan 26, 2026

perf: push_down_filter is pathologically slow for some plans

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20002 In apache/datafusion;

· Omega359 opened on Jan 25, 2026

Update ClickBench runner scripts to treat EventDate as a Date (not Int16)

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19995 In apache/datafusion;

· alamb opened on Jan 25, 2026

Reuse file descriptors for LocalFileSystem object storage

enhancementNew feature or requestNew feature or request

performanceMake DataFusion fasterMake DataFusion faster

Status: Open.

Feature

#19983 In apache/datafusion;

· Dandandan opened on Jan 25, 2026

<code>ReturnFieldArgs.scalar_arguments</code> type doesn't match with <code>arg_fields</code>

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19982 In apache/datafusion;

· Jefffrey opened on Jan 25, 2026

Add avg_byte_size column-statistic

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19973 In apache/datafusion;

· gene-bordegaray opened on Jan 24, 2026