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Expose driver-controlled stage boundaries in physical plans

Status: Open.

#25906 In apache/datafusion;

· edmondop opened on Sep 30, 2026

Planning time grows quadratically with IN-list size on main

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#25905 In apache/datafusion;

· gafiatulin opened on Sep 30, 2026

feat: make SharedCoalescer do memory accounting for buffered batches

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#25904 In apache/datafusion;

· gruuya opened on Sep 30, 2026

[Proposal] Readable default column names for SQL query results

Status: Open.

#25903 In apache/datafusion;

· haochunchang opened on Sep 30, 2026

Remove the legacy GroupedHashAggregateStream and enable_migration_aggregate

Status: Open.

#25902 In apache/datafusion;

· alamb opened on Sep 30, 2026

Release DataFusion 57.0.0 (Dec 2026 / Jan 2027)

Status: Open.

#25901 In apache/datafusion;

· alamb opened on Sep 30, 2026

Decorrelate a window function below a correlated equality filter by extending PARTITION BY

Status: Open.

#25897 In apache/datafusion;

· adriangb opened on Sep 30, 2026

Report parquet decompression time as a scan metric, split by dictionary and data pages

enhancementNew feature or requestNew feature or request

Status: Open.

#25896 In apache/datafusion;

· zhuqi-lucas opened on Sep 30, 2026

Add explicit phase boundaries to optimizer rules for simplicity and safety

Status: Open.

#25894 In apache/datafusion;

· 2010YOUY01 opened on Sep 30, 2026

Recursive CTE silently casts recursive term to the static term's type, producing wrong results or a non-terminating query

Status: Open.

#25893 In apache/datafusion;

· nathanb9 opened on Sep 30, 2026

Group by rollup/cube/etc.. fails with new type_coercion

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#25890 In apache/datafusion;

· cetra3 opened on Sep 30, 2026

Support inputless aggregate UDFs with explicit row counts

Status: Open.

#25885 In apache/datafusion;

· wudidapaopao opened on Sep 29, 2026