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Consider changing nullability of UDFs to depend on inputs by default

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19511�?In apache/datafusion;

· Jefffrey opened on Dec 27, 2025

Improve memory resilience for ExternalSorter

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19493�?In apache/datafusion;

· EmilyMatt opened on Dec 25, 2025

Distribute .proto files with datafusion .proto crate

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19489�?In apache/datafusion;

· DarkWanderer opened on Dec 25, 2025

Proposal: Prune complex predicates by propagating column statistics

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19487�?In apache/datafusion;

· 2010YOUY01 opened on Dec 25, 2025

Support reverse page for sort pushdown phase 1

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19486�?In apache/datafusion;

· zhuqi-lucas opened on Dec 25, 2025

Replace deprecated structopt with clap in benchmarks crate

Status: Open.

#19482�?In apache/datafusion;

· Yuvraj-cyborg opened on Dec 24, 2025

Operators should respect batch_size instead of Emit::All

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19481�?In apache/datafusion;

· EmilyMatt opened on Dec 24, 2025

Placeholder types not inferred for <code>date_bin</code> (and possibly other functions depending on the signature)

Status: Open.

#19471�?In apache/datafusion;

· adriangb opened on Dec 24, 2025

Move stable function evaluation into <code>invoke()</code> instead of <code>simplify()</code>

Status: Open.

#19470�?In apache/datafusion;

· adriangb opened on Dec 24, 2025

How Null/Dictionary/REE datatypes interact with <code>Coercion</code> API

Status: Open.

#19458�?In apache/datafusion;

· Jefffrey opened on Dec 22, 2025

Consider adding <code>TypeSignatureClass::Any</code> variant

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19438�?In apache/datafusion;

· Jefffrey opened on Dec 21, 2025

Alter <code>ScalarValue</code> APIs to be more clear when an operation isn't permitted

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19436�?In apache/datafusion;

· Jefffrey opened on Dec 21, 2025