Fixed

• Fix PyPI project metadata when using maturin 1.9.2 or later.

Fixed

• Fix build using Rust 1.89 on amd64.

Changed

• Build now depends on Rust 1.85 or later instead of 1.82.

Changed

• Publish PyPI wheels for CPython 3.14.

Fixed

• Fix str on big-endian architectures.

Changed

• Use a deserialization buffer allocated per request instead of a shared buffer allocated on import.
• ABI compatibility with CPython 3.14 beta 4.

Fixed

• Fix incorrect escaping of the vertical tabulation character. This was
  introduced in 3.10.17.

Changed

• Publish PyPI Windows aarch64/arm64 wheels.
• ABI compatibility with CPython 3.14 alpha 7.
• Fix incompatibility running on Python 3.13 using WASM.

Changed

• Improve performance of serialization on amd64 machines with AVX-512.
• ABI compatibility with CPython 3.14 alpha 6.
• Drop support for Python 3.8.
• Publish additional PyPI wheels for macOS that target only aarch64, macOS 15,
  and recent Python.

Changed

• Publish PyPI manylinux aarch64 wheels built and tested on aarch64.
• Publish PyPI musllinux aarch64 and arm7l wheels built and tested on aarch64.
• Publish PyPI manylinux Python 3.13 wheels for i686, arm7l, ppc64le, and s390x.

Changed

• Specify build system dependency on maturin>=1,<2 again.
• Allocate memory using PyMem_Malloc() and similar APIs for integration
  with pymalloc, mimalloc, and tracemalloc.
• Source distribution does not ship compressed test documents and relevant
  tests skip if fixtures are not present.
• Build now depends on Rust 1.82 or later instead of 1.72.

Changed

• Fix compatibility with maturin introducing a breaking change in 1.8.0 and
  specify a fixed version of maturin. Projects relying on any previous version
  being buildable from source by end users (via PEP 517) must upgrade to at
  least this version.