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[Bug] Saving dataframe in overwrite mode using Spark doesn't set primary key

bugSomething isn't workingSomething isn't working

Status: Open.

#7687 In apache/paimon;

· mantyk11 opened on Apr 22, 2026

[Feature] Dependency conflict: pypaimon 1.3.1 pins pyarrow==16

enhancementNew feature or requestNew feature or request

Status: Open.

#7685 In apache/paimon;

· Dludora opened on Apr 22, 2026

[Bug][Iceberg] IcebergCommitCallback emits "overwrite" for compaction commits; should emit "replace" per Iceberg spec

bugSomething isn't workingSomething isn't working

Status: Open.

#7683 In apache/paimon;

· asafsneh opened on Apr 21, 2026

[Feature] Chained tables should allow set fallback rules for non-existent partitions.

enhancementNew feature or requestNew feature or request

Status: Open.

#7682 In apache/paimon;

· blackflash997997 opened on Apr 21, 2026

[core][bug]Default IOManagerImpl does not clean spill folders in tempDirs when write-buffer-spillable=true

bugSomething isn't workingSomething isn't working

Status: Open.

#7664 In apache/paimon;

· lebron-hj opened on Apr 17, 2026

[Feature] Support Variant type for PyPaimon

enhancementNew feature or requestNew feature or request

Status: Open.

#7655 In apache/paimon;

· chenghuichen opened on Apr 15, 2026

[Feature] Paimon commit metrics are not exposed via Spark's MetricsSystem for external monitoring (JMX/Prometheus)

enhancementNew feature or requestNew feature or request

Status: Open.

#7646 In apache/paimon;

· junmuz opened on Apr 14, 2026

[Feature] Support DelegatingCatalogExtension in Paimon SparkCatalog for unified catalog integration

enhancementNew feature or requestNew feature or request

Status: Open.

#7629 In apache/paimon;

· iting0321 opened on Apr 11, 2026

[Bug] OOM when writing table with large records (100MB+) due to unbounded buffer growth in sort, merge and compaction paths

bugSomething isn't workingSomething isn't working

Status: Open.

#7620 In apache/paimon;

· yugan95 opened on Apr 10, 2026

[Feature] Add lastCommittedSnapshotId commit metric and document lastScannedSnapshotId scan metric

enhancementNew feature or requestNew feature or request

Status: Open.

#7588 In apache/paimon;

· junmuz opened on Apr 2, 2026

[Feature] Support manage AI model in catalog

enhancementNew feature or requestNew feature or request

Status: Open.

#7582 In apache/paimon;

· gavin9402 opened on Apr 2, 2026

[Bug] kafka_sync_database can only auto create one table per topic.

bugSomething isn't workingSomething isn't working

Status: Open.

#7581 In apache/paimon;

· peng-xin opened on Apr 2, 2026