Issues

• Core: TableMetadata.Builder allows adding encryption keys to v1/v2 tables

  bug
  apache/iceberg#18632 · Filter by author kevinjqliu opened on Oct 24, 2026
  1

• FileMetadata.Builder.copy(DeleteFile) drops equalityFieldIds

  apache/iceberg#18630 · Filter by author mikepapadim opened on Oct 24, 2026

• Flink: DynamicIcebergSink writer and write-result aggregator keep using a dropped table's location after the table is re-created with the same name

  apache/iceberg#18623 · Filter by author kuni-92 opened on Oct 23, 2026

• Spark: equality delete on a nested struct field deletes every row

  apache/iceberg#18620 · Filter by author Neuw84 opened on Oct 23, 2026
  2

• Equality delete with a composite key containing a uuid is never attached to FileScanTask.deletes()

  apache/iceberg#18619 · Filter by author Neuw84 opened on Oct 23, 2026
  1

• Equality delete on a fixed column deletes almost nothing: StructLikeSet collapses to one key

  apache/iceberg#18618 · Filter by author Neuw84 opened on Oct 23, 2026
  2

• Flink: ConvertEqualityDeletes fails with ClassCastException when equality fields contain a DATE column

  apache/iceberg#18609 · Filter by author yhyyz opened on Oct 22, 2026

• Clarify that write.*.isolation-level properties do not apply to append/INSERT

  apache/iceberg#18608 · Filter by author SergeyTimofeev1989 opened on Oct 22, 2026
  2

• Spark: metadata-only DELETE can remove NULL rows for <>, single-value NOT IN and NOT LIKE

  apache/iceberg#18605 · Filter by author zhengxiang378928908-code opened on Oct 22, 2026

• Spark: vectorized read fails on projected shredded VARIANT without variant bounds

  bug
  apache/iceberg#18601 · Filter by author kevinjqliu opened on Oct 21, 2026
  1

  

• Spark: node-local shuffle for pseudo-SPJ

  improvement
  apache/iceberg#18597 · Filter by author ammarchalifah opened on Oct 20, 2026

• Kafka: Filter empty strings and whitespace in IcebergSinkConfig stringToList

  bug
  apache/iceberg#18596 · Filter by author mohamed-elbrik opened on Oct 20, 2026

• Spark: Scans with different filters can share an exchange and return wrong results

  apache/iceberg#18556 · Filter by author ranflarion opened on Oct 17, 2026

• Spark: Avoid intermediate copies of byte-array-backed strings in Parquet writes

  improvement
  apache/iceberg#18554 · Filter by author saths008 opened on Oct 17, 2026

• REST commitTransaction: requirements on tables without updates are not checked at commit time; concurrent transactions both succeed

  apache/iceberg#18552 · Filter by author JeonDaehong opened on Oct 17, 2026

• Spark: vectorized ORC reader ignores row lineage for _row_id and _last_updated_sequence_number

  bug
  apache/iceberg#18543 · Filter by author joyhaldar opened on Oct 16, 2026
  1

• Flink: RowDataWrapper does not support VARIANT columns

  bug
  apache/iceberg#18527 · Filter by author yusufyildiz34 opened on Oct 15, 2026

• Core: Avoid fixed polling delays in ParallelIterable for fast manifest reads

  apache/iceberg#18521 · Filter by author fanruan-tuco opened on Oct 15, 2026
  1

• Plan to support table maintaence in kafka connect?

  improvement
  apache/iceberg#18520 · Filter by author skaushik15 opened on Oct 15, 2026

• GCP: Upgrade gcs-analytics-core and re-enable readMissingLocationGcsAnalyticsCoreEnabled

  apache/iceberg#18519 · Filter by author munendrasn opened on Oct 15, 2026
  1

• Add HLL sketch blob type to Puffin spec

  proposal
  apache/iceberg#18516 · Filter by author ebyhr opened on Oct 15, 2026

• Core: Negative delete-file-references in REST scan response cause IndexOutOfBoundsException

  bug
  apache/iceberg#18505 · Filter by author xhxaidi opened on Oct 14, 2026
  2

• Flink Iceberg read fails with ClassCastException on ARRAY<STRING> IS NOT NULL predicate

  bug
  apache/iceberg#18504 · Filter by author 2162174202-sudo opened on Oct 14, 2026
  1

• Flink: DynamicIcebergSink TableMetadataCache matches historical schemas by name, causing writes with retired field ids

  apache/iceberg#18499 · Filter by author kuni-92 opened on Oct 14, 2026
  2

• Core: RewriteManifests.addManifest mishandles v1-format manifests on v2+ tables

  apache/iceberg#18482 · Filter by author manuzhang opened on Oct 13, 2026
  3