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Arrow: Improve initial capacity estimation for variable-width vectors

Status: Open.

#17305 In apache/iceberg;

· huan233usc opened on Jul 20, 2026

Commits that remove and re-add a file can delete a live file when expiring snapshots

bugSomething isn't workingSomething isn't working

Status: Open.

#17304 In apache/iceberg;

· JohnFitzpatrick44 opened on Jul 20, 2026

Parquet: notNaN filter crashes on columns absent from older files

bugSomething isn't workingSomething isn't working

Status: Open.

#17301 In apache/iceberg;

· mattfaltyn opened on Jul 20, 2026

JdbcCatalog: getColumns/getTables with null catalog causes cross-schema false positive, leading to "Unknown column 'iceberg_type'" error

Status: Open.

#17300 In apache/iceberg;

· xhmz opened on Jul 20, 2026

Flink: MULTISET columns cannot be written — Parquet/Avro/ORC data writers reject MultisetType

Status: Open.

#17298 In apache/iceberg;

· srpconfluent opened on Jul 20, 2026

Spark: CREATE VIEW ... WITH SCHEMA EVOLUTION fails for VALUES queries during SELECT

bugSomething isn't workingSomething isn't working

Status: Open.

#17288 In apache/iceberg;

· chandrasekhar-188k opened on Jul 19, 2026

Make Metadata Timestamp Clock Skew Configurable

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#17285 In apache/iceberg;

· chandrasekhar-188k opened on Jul 18, 2026

Hive: dropTable silently drops an Iceberg view

Status: Open.

#17278 In apache/iceberg;

· thswlsqls opened on Jul 17, 2026

Flink: NPE in ExpireSnapshots config when retain-last is unset

Status: Open.

#17275 In apache/iceberg;

· thswlsqls opened on Jul 17, 2026

Flink: RANGE distribution mode ignores user-specified equality fields in dynamic sink

Status: Open.

#17274 In apache/iceberg;

· thswlsqls opened on Jul 17, 2026

Dell: EcsCatalog leaks S3Exception for missing namespace properties

Status: Open.

#17270 In apache/iceberg;

· thswlsqls opened on Jul 17, 2026

Data: TestWriterMetrics.testMaxColumnsWithDefaultOverride does not verify bounds

Status: Open.

#17268 In apache/iceberg;

· thswlsqls opened on Jul 17, 2026