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Flink: Add RemoveDanglingDeleteFiles support to the Flink maintenance API

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16138 In apache/iceberg;

· zncleon opened on Apr 28, 2026

Hive: add HiveCatalog(Configuration, Map<String, String>) convenience constructor

Status: Open.

#16134 In apache/iceberg;

· 1fanwang opened on Apr 27, 2026

Flink: DynamicIcebergSink operator UID is non-deterministic across JVM restarts, breaking last-state / savepoint recovery

bugSomething isn't workingSomething isn't working

Status: Open.

#16128 In apache/iceberg;

· inesmestre opened on Apr 27, 2026

ByteBufferInputStream.read() throws EOFException at EOF instead of returning -1, violating InputStream contract

Status: Open.

#16127 In apache/iceberg;

· fanruan-tuco opened on Apr 27, 2026

API: StructProjection.createAllowMissing does not propagate allowMissing to nested struct sub-projections

bugSomething isn't workingSomething isn't working

Status: Open.

#16123 In apache/iceberg;

· Govindarajan-D opened on Apr 26, 2026

Parquet per column compression

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16090 In apache/iceberg;

· mengna-lin opened on Apr 23, 2026

Allow for v3 date -> time promotion

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16083 In apache/iceberg;

· Guosmilesmile opened on Apr 23, 2026

commit runtime-deps.txt to all artifacts

Status: Open.

#16080 In apache/iceberg;

· kevinjqliu opened on Apr 22, 2026

Add added-puffin-files write metric

improvementPR that improves existing functionalityPR that improves existing functionality

Status: Open.

#16068 In apache/iceberg;

· wangyum opened on Apr 21, 2026

Virtual Field Metadata for Semi-Structured (VARIANT) Columns

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

Status: Open.

#16064 In apache/iceberg;

· jeffbuser opened on Apr 20, 2026

EOF not handled correctly in single byte read in cloud storage InputStream implementations

bugSomething isn't workingSomething isn't working

Status: Open.

#16062 In apache/iceberg;

· anoopj opened on Apr 20, 2026

REST Catalog (iceberg-rest-fixture) allows dropping parent namespaces containing child namespaces with tables, violating OpenAPI spec

bugSomething isn't workingSomething isn't working

Status: Open.

#16060 In apache/iceberg;

· sagib1 opened on Apr 20, 2026