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Allowwrite.metadata.previous-versions-max table property to be 0 for empty metadata logs

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16797 In apache/iceberg;

· smaheshwar-pltr opened on Jun 12, 2026

Intermittent CatalogNotFoundException: default_iceberg when using only a custom catalog

questionFurther information is requestedFurther information is requested

Status: Open.

#16792 In apache/iceberg;

· zeitdasein opened on Jun 12, 2026

Spark: support scoped replacement writes with INSERT INTO ... REPLACE USING

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16785 In apache/iceberg;

· liucao-dd opened on Jun 12, 2026

SparkParquetWriterWithVariantShredding fails on wide mixed-schema Iceberg v3 tables with spark.sql.iceberg.shred-variants=true

bugSomething isn't workingSomething isn't working

Status: Open.

#16782 In apache/iceberg;

· soumilshah1995 opened on Jun 11, 2026

Maintain compatibility with Avro 1.11

Status: Open.

#16781 In apache/iceberg;

· clairemcginty opened on Jun 11, 2026

Data is not updated and metadata is keep updating by kafka connect

Status: Open.

#16776 In apache/iceberg;

· jerryzhujing opened on Jun 11, 2026

Spark: Support custom hash distribution columns for unpartitioned tables with graceful fallback

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16767 In apache/iceberg;

· jackMintao opened on Jun 11, 2026

REST ScanTaskIterable: background workers not stopped on iterable close; offerWithTimeout can block forever when consumer aborts

bugSomething isn't workingSomething isn't working

Status: Open.

#16758 In apache/iceberg;

· chenwyi2 opened on Jun 10, 2026

Flink: Metadata Support for Watermarks and Computed Columns

proposalIceberg Improvement Proposal (spec/major changes/etc)Iceberg Improvement Proposal (spec/major changes/etc)

Status: Open.

#16756 In apache/iceberg;

· SteveStevenpoor opened on Jun 10, 2026

rewrite_table_path: manifest list and version file rewriting is always single-threaded when called from PySpark / SQL procedure

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16752 In apache/iceberg;

· leeyam24 opened on Jun 10, 2026

Core: Expose commit retry exhaustion reason in failure messages

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16744 In apache/iceberg;

· jhrotko opened on Jun 9, 2026

REST Catalog: expose a staged create-or-replace transaction primitive for non-Java clients

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16741 In apache/iceberg;

· malon64 opened on Jun 9, 2026