Bump version to 54.0.0 by timsaucer · Pull Request #1610 · apache/datafusion-python · GitHub
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Bump version to 54.0.0 #1610

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8e72001
Bump version number. Generate changelog.
timsaucer Jun 25, 2026
3127c65
add symlinks to rat exclusion list
timsaucer Jun 25, 2026
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# Apache DataFusion Python 54.0.0 Changelog

This release consists of 51 commits from 8 contributors. See credits at the end of this changelog for more information.

**Breaking changes:**

- Update datafusion dependency to latest in preparation for DF54 [#1532](https://github.com/apache/datafusion-python/pull/1532) (timsaucer)
- feat: enable pickling for Python aggregate and window UDFs [#1545](https://github.com/apache/datafusion-python/pull/1545) (timsaucer)
- feat: pass calling SessionContext to Python UDTF callbacks [#1555](https://github.com/apache/datafusion-python/pull/1555) (timsaucer)
- feat: accept distinct kwarg on sum and avg [#1556](https://github.com/apache/datafusion-python/pull/1556) (timsaucer)

**Implemented enhancements:**

- feat: add AI skill to find and improve the Pythonic interface to functions [#1484](https://github.com/apache/datafusion-python/pull/1484) (timsaucer)
- feat: enable pickling of most Expr except udaf and udwf [#1544](https://github.com/apache/datafusion-python/pull/1544) (timsaucer)
- feat: expose variety of features from DF54 update [#1554](https://github.com/apache/datafusion-python/pull/1554) (timsaucer)
- feat: Python UDFs: per-session inlining toggle and strict refusal setting [#1546](https://github.com/apache/datafusion-python/pull/1546) (timsaucer)
- feat: create free-threaded python wheels [#1553](https://github.com/apache/datafusion-python/pull/1553) (timsaucer)
- feat: expose lambda and higher-order array functions [#1561](https://github.com/apache/datafusion-python/pull/1561) (timsaucer)
- feat: import user-defined physical optimizer rules over FFI [#1557](https://github.com/apache/datafusion-python/pull/1557) (timsaucer)
- feat: expose SessionContext.copied_config and parse_capacity_limit [#1570](https://github.com/apache/datafusion-python/pull/1570) (timsaucer)
- feat: expose array_compact, array_normalize, cosine_distance, inner_product [#1567](https://github.com/apache/datafusion-python/pull/1567) (timsaucer)
- feat: expose arrow_field, arrow_try_cast, cast_to_type, with_metadata [#1568](https://github.com/apache/datafusion-python/pull/1568) (timsaucer)
- feat: expose spark-compatible functions [#1564](https://github.com/apache/datafusion-python/pull/1564) (timsaucer)
- feat: improve pythonic interface on date/time functions [#1563](https://github.com/apache/datafusion-python/pull/1563) (timsaucer)

**Fixed bugs:**

- fix: type scalar UDF returns as Arrow arrays [#1528](https://github.com/apache/datafusion-python/pull/1528) (BharatDeva)
- fix: Skip `fork` and `forkserver` on `win32` [#1566](https://github.com/apache/datafusion-python/pull/1566) (nuno-faria)

**Documentation updates:**

- docs: enrich module docstrings and add doctest examples [#1498](https://github.com/apache/datafusion-python/pull/1498) (timsaucer)
- docs: add README section for AI coding assistants [#1503](https://github.com/apache/datafusion-python/pull/1503) (timsaucer)
- docs: add upstream sync process documentation [#1524](https://github.com/apache/datafusion-python/pull/1524) (timsaucer)
- docs: document null-handling function arguments [#1527](https://github.com/apache/datafusion-python/pull/1527) (BharatDeva)
- docs: user guide + runnable examples for distributing expressions [#1547](https://github.com/apache/datafusion-python/pull/1547) (timsaucer)
- docs: convert reStructuredText sources to MyST markdown [#1579](https://github.com/apache/datafusion-python/pull/1579) (timsaucer)

**Other:**

- Release 53.0.0 [#1491](https://github.com/apache/datafusion-python/pull/1491) (timsaucer)
- ci: disable symbol export on Windows verification [#1486](https://github.com/apache/datafusion-python/pull/1486) (timsaucer)
- Add Python bindings for accessing ExecutionMetrics [#1381](https://github.com/apache/datafusion-python/pull/1381) (ShreyeshArangath)
- Support None comparisons for null expressions [#1489](https://github.com/apache/datafusion-python/pull/1489) (zeel2104)
- chore: update release documentation [#1494](https://github.com/apache/datafusion-python/pull/1494) (timsaucer)
- Fix error on show() with an explain plan [#1492](https://github.com/apache/datafusion-python/pull/1492) (timsaucer)
- Add SKILL.md and enrich package docstring [#1497](https://github.com/apache/datafusion-python/pull/1497) (timsaucer)
- minor: fix header on agent SKILL.md file [#1501](https://github.com/apache/datafusion-python/pull/1501) (timsaucer)
- tpch examples: rewrite queries idiomatically and embed reference SQL [#1504](https://github.com/apache/datafusion-python/pull/1504) (timsaucer)
- Move public skills to a directory to avoid downloading the whole repo [#1519](https://github.com/apache/datafusion-python/pull/1519) (ntjohnson1)
- Update user documentation for AI agent skill usage [#1505](https://github.com/apache/datafusion-python/pull/1505) (timsaucer)
- build(deps): combined dependabot bumps (Cargo + workflows) [#1534](https://github.com/apache/datafusion-python/pull/1534) (timsaucer)
- Add support for logical and physical codecs [#1541](https://github.com/apache/datafusion-python/pull/1541) (timsaucer)
- Add details on caching to skill [#1521](https://github.com/apache/datafusion-python/pull/1521) (ntjohnson1)
- Bump DataFusion to prepare for DF54 release candidate [#1562](https://github.com/apache/datafusion-python/pull/1562) (timsaucer)
- Export `to_datafusion_err` from the util crate root [#1487](https://github.com/apache/datafusion-python/pull/1487) (kosiew)
- chore: remove unused PyConfig [#1485](https://github.com/apache/datafusion-python/pull/1485) (timsaucer)
- refactor(context): deduplicate register/read option-building logic [#1479](https://github.com/apache/datafusion-python/pull/1479) (mesejo)
- Improve documentation site layout [#1578](https://github.com/apache/datafusion-python/pull/1578) (timsaucer)
- Allow `DataFrame.aggregate` to accept `None` for no grouping [#1581](https://github.com/apache/datafusion-python/pull/1581) (kosiew)
- Update to released DF 54.0.0 [#1588](https://github.com/apache/datafusion-python/pull/1588) (timsaucer)
- build(deps): batch dependabot dependency updates [#1589](https://github.com/apache/datafusion-python/pull/1589) (timsaucer)
- Deprecate `Expr` temporal part arguments in date extraction and truncation functions [#1587](https://github.com/apache/datafusion-python/pull/1587) (kosiew)
- chore: update rust dependencies [#1604](https://github.com/apache/datafusion-python/pull/1604) (timsaucer)
- Add deprecation warnings for Expr passed to confirmed literal-only function arguments [#1605](https://github.com/apache/datafusion-python/pull/1605) (kosiew)
- chore: resolve audits after DF54.0.0 update to skill [#1608](https://github.com/apache/datafusion-python/pull/1608) (timsaucer)
- chore: remove 3.13 freethreaded builds [#1609](https://github.com/apache/datafusion-python/pull/1609) (timsaucer)

## Credits

Thank you to everyone who contributed to this release. Here is a breakdown of commits (PRs merged) per contributor.

```
39 Tim Saucer
4 kosiew
2 BharatDeva
2 Nick
1 Daniel Mesejo
1 Nuno Faria
1 Shreyesh
1 Zeel Desai
```

Thank you also to everyone who contributed in other ways such as filing issues, reviewing PRs, and providing feedback on this release.

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