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Close the function compatibility gaps with Apache Spark 4.2.0

Status: Open.

#71 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Sep 24, 2026

Establish Spark 4.2.0 Variant contract coverage

Status: Open.

#70 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Sep 24, 2026

Epic: Apache Spark Variant compatibility

Status: Open.

#69 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Sep 24, 2026

variant_get_array: Initial implementation

good first issueGood for newcomersGood for newcomers

Status: Open.

#39 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Mar 5, 2026

support more type widening for merging VariantSchemas

Status: Open.

#30 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Feb 27, 2026

variant_schema_agg initial support

Status: Open.

#29 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Feb 27, 2026

variant_schema initial support

Status: Open.

#28 In datafusion-contrib/datafusion-variant;

· sdf-jkl opened on Feb 27, 2026

Add example writing out variants to parquet

Status: Open.

#23 In datafusion-contrib/datafusion-variant;

· friendlymatthew opened on Dec 9, 2025

epic: Measure performance

Status: Open.

#19 In datafusion-contrib/datafusion-variant;

· friendlymatthew opened on Nov 18, 2025

Improve error messaging

Status: Open.

#14 In datafusion-contrib/datafusion-variant;

· friendlymatthew opened on Nov 4, 2025

variant_object_construct: Support array arguments

Status: Open.

#13 In datafusion-contrib/datafusion-variant;

· friendlymatthew opened on Oct 29, 2025

variant_schema: Initial implementation

Status: Open.

#5 In datafusion-contrib/datafusion-variant;

· friendlymatthew opened on Oct 15, 2025