Issues

• CLI: --output=json list-refs emits one object per retention property instead of per ref

  kind:bug
  apache/iceberg-python#4098 · Filter by author med9110 opened on Oct 12, 2026

• REST: Send empty first-page pageToken when rest-page-size is set

  kind:bug
  apache/iceberg-python#4096 · Filter by author ehddnr301 opened on Oct 12, 2026

• Support atomic multi-table commits through the REST catalog (transactions/commit)

  apache/iceberg-python#4095 · Filter by author kotwal-itpro opened on Oct 9, 2026

• PyArrowFileIO: every small S3 write is a 3-request multipart upload; expose allow_delayed_open

  apache/iceberg-python#4093 · Filter by author nhobin219 opened on Oct 8, 2026

• Row lineage

  V3
  apache/iceberg-python#4080 · Filter by author rambleraptor opened on Oct 5, 2026

• geometry / geography: Read improvements

  V3
  apache/iceberg-python#4079 · Filter by author rambleraptor opened on Oct 5, 2026
  1

• timestamp_ns / timestamptz_ns: filter + pruning

  V3
  apache/iceberg-python#4078 · Filter by author rambleraptor opened on Oct 5, 2026

• REST: rest.client.* timeouts are ignored when rest.sigv4-enabled is set

  apache/iceberg-python#4076 · Filter by author David-Banquet opened on Oct 5, 2026

• RestCatalog: support freshness-aware table loading (If-None-Match / 304 Not Modified), as Iceberg Java does

  apache/iceberg-python#4075 · Filter by author 123digits opened on Oct 4, 2026

• View does not expose metadata_location: RestCatalog.load_view discards it from the server's response

  kind:bug
  apache/iceberg-python#4073 · Filter by author 123digits opened on Oct 4, 2026
  1

• PyArrowFileIO is only freed by the cycle collector, so S3 connections pile up on Python 3.14

  apache/iceberg-python#4069 · Filter by author nhobin219 opened on Oct 3, 2026

• IsNull/NotNull binding ignores ancestor nullability for required nested fields

  apache/iceberg-python#4067 · Filter by author dominikandreasseitz opened on Oct 3, 2026

• RestCatalog.update_namespace_properties fails when the server omits the optional "missing" field

  kind:bug
  apache/iceberg-python#4066 · Filter by author 123digits opened on Oct 3, 2026

• Overwrite falsely reports "Missing required files to delete" due to a thread race

  kind:bug
  apache/iceberg-python#4031 · Filter by author QlikFrederic opened on Sep 30, 2026

• Retry "already landed" check fails for an overwrite of an empty table, then deletes the landed snapshot's manifests

  apache/iceberg-python#4022 · Filter by author dancsi opened on Sep 25, 2026

• Commit cleanup deletes a landed snapshot's manifests when the last attempt's response is lost

  apache/iceberg-python#4021 · Filter by author dancsi opened on Sep 25, 2026

• Encryption reader should reject key metadata without file_length

  apache/iceberg-python#4011 · Filter by author xanderbailey opened on Sep 24, 2026
  5

• Move AES GCM fixtures to Iceberg-verification

  apache/iceberg-python#4010 · Filter by author xanderbailey opened on Sep 23, 2026
  3

• [EPIC] Faster manifest reads through pyiceberg-core

  apache/iceberg-python#4007 · Filter by author mbutrovich opened on Sep 22, 2026
  2

  

• IN predicates > 200 values disable file pruning

  kind:bug
  apache/iceberg-python#4003 · Filter by author Ayoubhm07 opened on Sep 20, 2026
  2

• to_bytes silently rescales a Decimal with a negative scale

  apache/iceberg-python#3996 · Filter by author Rodrigo-Palma opened on Sep 18, 2026

• CLI renders table property keys and values as Rich markup without escaping

  bug
  apache/iceberg-python#3984 · Filter by author sungwy opened on Sep 16, 2026

• _read_deletes filters the full delete table once per distinct file_path

  bug
  apache/iceberg-python#3983 · Filter by author sungwy opened on Sep 16, 2026

• Avro decompression codecs apply no output size limit

  bug
  apache/iceberg-python#3980 · Filter by author sungwy opened on Sep 16, 2026

• Deletion vector bitmap count is read from the blob and used as a loop bound without validation

  bug
  apache/iceberg-python#3979 · Filter by author sungwy opened on Sep 16, 2026