Changelog#

Changes in Version 1.3.0#

  • Support for Polars

  • Support for PyArrow.DataTypes: large_list, large_string, date32, date64

Changes in Version 1.2.0#

  • Support for PyArrow 14.0.

  • Support for Python 3.12.

Changes in Version 1.1.0#

  • Support for PyArrow 13.0.

  • Revert bug fix for nested extension objects in auto schema, since it caused a performance regression.

Changes in Version 1.0.2#

  • Bug fix for projection on nested fields.

  • Bug fix for nested extension objects in auto schema.

Changes in Version 1.0.1#

Note: The 1.0.0 release had an incorrect changelog.

  • Support BSON binary type.

  • Support BSON Decimal128 type.

  • Support Pandas 2.0 and Pandas extension types.

  • Support PyArrow 12.0.

Changes in Version 0.7.0#

  • Added support for BSON Embedded Document type.

  • Added support for BSON Array type.

  • Support PyArrow 11.0.

Changes in Version 0.6.3#

  • Added wheels for Linux AArch64 and Python 3.11.

  • Fixed handling of time zones in schema auto-discovery.

Changes in Version 0.6.2#

Note: We did not publish 0.6.0 or 0.6.1 due to technical difficulties.

  • Fixed ImportError on Windows by building libbson in “Release” mode.

  • Support PyArrow 10.0.

Changes in Version 0.5.1#

  • Fixed auto-discovery of schemas for aggregation and numpy methods.

  • Added documentation for auto-discovery of schemas.

Changes in Version 0.5.0#

  • Support auto-discovery of schemas in find/aggregate_*_all methods. If the schema is not given, it will be inferred using the first document in the result set.

  • Support PyArrow 9.0.

  • Improve error message for lib ImportError.

Changes in Version 0.4.0#

  • Support for Decimal128 type.

  • Support for macOS arm64 architecture on Python 3.9+.

  • Support for writing tabular datasets (materialized as PyArrow Tables, Pandas DataFrames, or NumPy arrays) to MongoDB using the write() function. See the Quick Start guide for more info.

Changes in Version 0.3.0#

  • Support for PyArrow 7.0.

  • Support for ObjectId type.

  • Improve error message when schema contains an unsupported type.

  • Add support for BSON string type.

  • Add support for BSON boolean type.

  • Upgraded to bundle libbson 1.21.1. If installing from source, the minimum supported libbson version is now 1.21.0.

  • Dropped Python 3.6 support (it was dropped in PyArrow 7.0).

Changes in Version 0.2.0#

  • Support for PyMongo 4.0.

  • Support for Python 3.10.

  • Support for Windows.

  • find_arrow_all() now accepts a user-provided projection.

  • find_arrow_all() now accepts a session object.

  • Note: The supported version of pyarrow is now >=6,<6.1.

Changes in Version 0.1.1#

  • Fixed a bug that caused Linux wheels to be created without the appropriate manylinux platform tags.

Changes in Version 0.1.0#

  • Support for efficiently converting find and aggregate query result sets into Arrow/Pandas/Numpy data structures.

  • Support for patching PyMongo’s APIs using patch_all()

  • Support for loading the following BSON types:

    • 64-bit binary floating point

    • 32-bit integer

    • 64-bit integer

    • Timestamp