Issues

• [Bug] FileIO.get hides the real access error behind an unchecked exception from a later loader

  bug
  apache/paimon#10751 · Filter by author echauchot opened on Oct 22, 2026

• [Bug] [Python] Branch time travel silently returns incorrect values after schema evolution

  bug
  apache/paimon#10747 · Filter by author zhoulii opened on Oct 22, 2026

• [Bug] Spark INSERT into an engine format table ignores the format options of the table

  apache/paimon#10743 · Filter by author LuciferYang opened on Oct 22, 2026

• [Bug] [python] LocalFileIO never fsyncs: after a power loss the newest snapshot (or schema) file is empty and the table cannot be read

  bug
  apache/paimon#10739 · Filter by author hanke580 opened on Oct 22, 2026

• [Bug] Spark procedures drop leading zeros of unquoted STRING partition values in partitions

  apache/paimon#10737 · Filter by author thswlsqls opened on Oct 21, 2026

• [Bug] Mosaic FLOAT/DOUBLE stats can skip rows when data contains NaN or -0.0

  apache/paimon#10728 · Filter by author thswlsqls opened on Oct 21, 2026

• [Bug] Mosaic Format Table filter reads wrong row-group stats when a partition column precedes the filtered column

  apache/paimon#10727 · Filter by author thswlsqls opened on Oct 21, 2026

• [Bug] Fallback and chain queries fail when unreferenced columns are denied

  apache/paimon#10722 · Filter by author taoran92 opened on Oct 21, 2026

• [Feature] Retain the latest partition when all partitions have expired

  enhancement
  apache/paimon#10715 · Filter by author tzphh opened on Oct 21, 2026

• [Bug] S3FileIO keeps reusing a cached S3A client after its HTTP connection pool shuts down

  apache/paimon#10711 · Filter by author tchivs opened on Oct 21, 2026

• [Feature] Support cumulative hourly deltas over daily snapshot baselines in Chain Tables

  enhancement
  apache/paimon#10708 · Filter by author huyuanfeng2018 opened on Oct 21, 2026
  1

• [Feature] [Spark] PIP-39: Support lake-stream mode

  enhancement
  apache/paimon#10696 · Filter by author yunfengzhou-hub opened on Oct 20, 2026

• [Feature] [Flink] PIP-39: Route INSERT OVERWRITE on a lake-stream table to Paimon

  enhancement
  apache/paimon#10694 · Filter by author yunfengzhou-hub opened on Oct 20, 2026

• [Feature] [Flink] PIP-39: Route Flink reads and regular writes through the lake-stream store

  enhancement
  apache/paimon#10693 · Filter by author yunfengzhou-hub opened on Oct 20, 2026
  

• [Feature] [Core] PIP-39: Define the engine-neutral lake-stream table contract

  enhancement
  apache/paimon#10692 · Filter by author yunfengzhou-hub opened on Oct 20, 2026
  

• [Feature] PIP-39: Introduce lake-stream mode for second-level data freshness

  enhancement
  apache/paimon#10690 · Filter by author yunfengzhou-hub opened on Oct 20, 2026

• [Feature] Clone from Hive: copy data files as they are, and list partitions recursively

  apache/paimon#10672 · Filter by author 0dunay0 opened on Oct 20, 2026

• [Feature] Paimon Partial-Update Validity Column Design

  apache/paimon#10671 · Filter by author wzx140 opened on Oct 20, 2026

• [Feature] Support independent vector indexes on multiple columns in primary-key tables

  enhancement
  apache/paimon#10658 · Filter by author tzphh opened on Oct 19, 2026

• [Feature] Rest Catalog supports lance table format

  enhancement
  apache/paimon#10602 · Filter by author melin opened on Oct 16, 2026

• [Bug] Parquet TIMESTAMP_LTZ(<=3) is written as TIMESTAMP_MILLIS, which Iceberg readers reject

  apache/paimon#10600 · Filter by author 0dunay0 opened on Oct 15, 2026

• [Feature] Convert an append table to data evolution in place (metadata only)

  apache/paimon#10592 · Filter by author zhuxiangyi opened on Oct 15, 2026
  1

• [Feature] Refresh REST data tokens for native (JNI) readers and writers

  apache/paimon#10526 · Filter by author sundapeng opened on Oct 13, 2026

• [Bug] Evicting a RESTTokenFileIO delegate does not close its plugin FileIO

  apache/paimon#10522 · Filter by author sundapeng opened on Oct 12, 2026

• [Bug] [Python] Floating-point primary keys can lose rows during merge

  apache/paimon#10492 · Filter by author wangzhigang1999 opened on Oct 10, 2026