v0.18.0

optree v0.18.0

Added

• Use ARM-based GHA runners to build ARM wheels by @XuehaiPan in #234.
• Add Android support by @XuehaiPan in #236.
• Add manylinux-riscv64 wheels by @XuehaiPan in #243.
• Add cp{313,314}-ios / cp{313,314}-android / cp{312,313}-pyodide wheels by @XuehaiPan in #242 and #244.
• Add support for method pair (__tree_flatten__, __tree_unflatten__) for register_pytree_node_class(cls) by @XuehaiPan in #253.

Removed

• Remove CPython 3.9/3.10 wheels for Windows ARM64 due to unavailability of official Python distribution by @XuehaiPan in #234.
• Remove previously deprecated singular-named modules in #209 by @XuehaiPan in #238.
• Remove PyPy 3.10 (EOL) wheels by @dependabot in #241.

Full Changelog: v0.17.0...v0.18.0

v0.17.0

optree v0.17.0

Added

• Add WASM support by @XuehaiPan in #226.
• Bump cibuildwheel from 2.23 to 3.0 by @dependabot in #228.
• Add iOS support by @XuehaiPan in #232.
• Build Python 3.14 and 3.14t wheels in CI by @XuehaiPan in #233.

Changed

• Build wheels against pybind11 3.0.0 by @XuehaiPan in #231.

Fixed

• Handle pybind11 macro defined as 0 instead of non-exist by @XuehaiPan in #227.

Removed

• Remove PyPy 3.9 (EOL) wheels by @dependabot in #228.

Full Changelog: v0.16.0...v0.17.0

v0.16.0

optree v0.16.0

Added

• Explicitly set recursion limit for recursion tests by @XuehaiPan in #207.
• Dump build-time meta-information to C extension by @XuehaiPan in #215.
• Use pybind11::native_enum to create enum class PyTreeKind if available by @XuehaiPan in #214.
• Enable pybind11::smart_holder to create class PyTreeSpec and PyTreeIter if available by @XuehaiPan in #217.
• Implement optional tp_clear for class PyTreeSpec and PyTreeIter by @XuehaiPan in #218.
• Add function tree_partition by @pfackeldey in #222.
• Add Python 3.14 and Python 3.14t support by @XuehaiPan in #216.

Changed

• Enforce naming convention of packages with singular and plural: optree.{accessor,integration} -> optree.{accessors,integrations} by @XuehaiPan in #209.
• Allow creating dataclass types in the global namespace by @XuehaiPan in #212.
• Migrate to setuptools>=77 for PEP-639 by @XuehaiPan in #208.
• Update minimal version of typing-extensions to 4.6.0 for typing_extensions.TypeAliasType by @XuehaiPan in #216.

Fixed

• Never call PyType_Ready twice and use PyType_Modified instead by @XuehaiPan in #214.
• Fix optree.typing.PyTree[T] for Python 3.14 due to immutable UnionType by @XuehaiPan in #216.

Removed

• Drop Python 3.8 support by @XuehaiPan in #206.
• Retire benchmark script by @XuehaiPan in #211.

New Contributors

• @pfackeldey made their first contribution in #222

Full Changelog: v0.15.0...v0.16.0

optree v0.15.0

optree v0.15.0

Added

• Add method PyTreeSpec.traverse by @XuehaiPan in #197.
• Include test suites in SDist by @XuehaiPan in #201.
• Include branch coverage and add conditional pragmas by @XuehaiPan in #204.
• Detect cmake version and guard minimum version in setup.py by @XuehaiPan in #205.

Removed

• Remove deprecated key path APIs by @XuehaiPan in #195.
• Remove deprecated optree.Partial by @XuehaiPan in #196.
• Remove duplicate lint checks by @XuehaiPan in #202.

New Contributors

• @Flamefire made their first contribution in #203.

Full Changelog: v0.14.1...v0.15.0

optree v0.14.1

optree v0.14.1

Added

• Support using system cmake executable during setup by @mgorny in #188.
• Add shortcut module optree.pytree and optree.treespec by @lqhuang in #189.
• Support lookup all registry entries in a namespace via register_pytree_node.get() by @XuehaiPan in #190.
• Add PyPy 3.11 support by @XuehaiPan in #194.

Changed

• Enable CXX11 ABI in C++ extension by @XuehaiPan in #184.

New Contributors

• @mgorny made their first contribution in #188.
• @lqhuang made their first contribution in #189.

Full Changelog: v0.14.0...v0.14.1

optree v0.14.0

optree v0.14.0

Added

• Add method PyTreeSpec.one_level and PyTreeSpec.is_one_level by @XuehaiPan in #179.
• Add method PyTreeSpec.transform by @XuehaiPan in #177.

Changed

• Mark some arguments as positional-only as of Python 3.8+ by @XuehaiPan in #178.

Fixed

• Fix cross-compiling for ARM64 on x64 Windows by @XuehaiPan in #183.

Removed

• Drop Python 3.7 support by @XuehaiPan in #161.

Full Changelog: v0.13.1...v0.14.0

optree v0.13.1

optree v0.13.1

What's New

• CI workflow improvements and minor fixes for typing annotation.

Added

• Upload coverage / JUnit results / core dumps in CI workflows by @XuehaiPan in #170 and #172.
• Add more info to tree_flatten_one_level by @XuehaiPan in #168.
• Improve typing support for generic PyTree[T] and registry lookup / register functions by @XuehaiPan in #160 and #166.

Changed

• Move include directory include/{ => optree}/*.h by @XuehaiPan in #167.

Fixed

• Improve typing support for optree.dataclasses.dataclass and optree.dataclasses.field by @manulari in #165.

Full Changelog: v0.13.0...v0.13.1

New Contributors

@manulari made their first contribution in #165.

optree v0.13.0

optree v0.13.0

What's New

• Add Python 3.13 and Python 3.13t (free-threading build) support.
• Add dataclasses integration.
• Significantly refactor and improve CXX build support.

Added

• Add Python 3.13t support by @XuehaiPan in #137.
• Expose Python implementation for C utilities for namedtuple and PyStructSequence by @XuehaiPan in #157.
• Add dataclasses integration by @XuehaiPan in #142.
• Add Python 3.13 support by @XuehaiPan in #156.
• Respect cmake variable pybind11_DIR by @XuehaiPan in #155.
• Add tests with PyDebug enabled in CI by @XuehaiPan in #150.

Changed

• Split implementation files and add more inline / constexpr / noexcept qualifiers by @XuehaiPan in #159.
• Use cmake's FindPython module by @XuehaiPan in #151.

Fixed

• Fix potential segmentation fault for structseq_fields cache support by @XuehaiPan in #150.

Full Changelog: v0.12.1...v0.13.0

optree v0.12.1

optree v0.12.1

Fixed

• Fix warning regression during import when launch with strict warning filters by @XuehaiPan in #149.

Full Changelog: v0.12.0...v0.12.1

optree v0.12.0

optree v0.12.0

Added

• Add context manager to temporarily set the dictionary sorting mode by @XuehaiPan in #147.
• Add PyPy support by @XuehaiPan in #145.
• Add 32-bit wheels for Linux and Windows by @XuehaiPan in #141.
• Add Linux ppc64le and s390x wheels by @XuehaiPan in #138.
• Add accessor APIs tree_flatten_with_accessor and PyTreeSpec.accessors by @XuehaiPan in #108.
• Add submodule optree.functools by @XuehaiPan in #134.

Changed

• Use stable tag instead of 2.12.0 for pybind11 version by @XuehaiPan in #146.
• Refactor the raw import statement in setup.py with importlib utilities by @XuehaiPan in #135.
• Update minimal version of typing-extensions to 4.5.0 for typing_extensions.deprecated by @XuehaiPan in #134.
• Update string representation for OrderedDict by @XuehaiPan in #133.

Fixed

• Fix gc for self-referential case by implementing tp_traverse by @XuehaiPan in #144.
• Fix potential segmentation fault for pickling support by @XuehaiPan in #143.
• Update CI runner image for Python 3.7 on macOS by @XuehaiPan in #135.

Removed

• Deprecate key path APIs by @XuehaiPan in #108.
• Deprecate optree.Partial and replace with optree.functools.partial by @XuehaiPan in #134.

Full Changelog: v0.11.0...v0.12.0