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upsert duplicates rows on a partitioned table (regression vs 0.11.1)

Status: Open.

#3758In apache/iceberg-python;

· paulcaron16k opened on Aug 6, 2026

Metadata inspection APIs fail with struct.error after int→long / float→double type promotion

Status: Open.

#3744In apache/iceberg-python;

· tasty0tomato opened on Aug 3, 2026

default to merge append instead of fast append

Status: Open.

#3741In apache/iceberg-python;

· kevinjqliu opened on Aug 1, 2026

Decompose io/pyarrow.py into focused modules to enable pluggable compute engines

Status: Open.

#3737In apache/iceberg-python;

· qzyu999 opened on Jul 31, 2026

Pluggable Backend Interface with DataFusion for Bounded-Memory Compute

Status: Open.

#3715In apache/iceberg-python;

· qzyu999 opened on Jul 26, 2026

add test to enumerate all pyarrow types

Status: Open.

#3714In apache/iceberg-python;

· kevinjqliu opened on Jul 26, 2026

check codebase for python truthiness error

Status: Open.

#3713In apache/iceberg-python;

· kevinjqliu opened on Jul 26, 2026

Will pyiceberg support dictionary type ?

Status: Open.

#3691In apache/iceberg-python;

· sudharsansrini opened on Jul 22, 2026

TruncateTransform.satisfies_order_of raises AttributeError for different widths

Status: Open.

#3680In apache/iceberg-python;

· mattfaltyn opened on Jul 18, 2026

Avro schema is re-converted to an Iceberg schema on every manifest read during scan planning

Status: Open.

#3662In apache/iceberg-python;

· vishnuprakaz opened on Jul 15, 2026

Fuse partition and metrics filtering into manifest entry deserialization

Status: Open.

#3657In apache/iceberg-python;

· zenfenan opened on Jul 14, 2026

Partition values for timestamp_ns columns are not converted to nanoseconds

Status: Open.

#3652In apache/iceberg-python;

· vishnuprakaz opened on Jul 14, 2026