3.9.13

Fixed

• Serialization str escape uses only 128-bit SIMD.
• Fix compatibility with CPython 3.13 alpha 3.

Changed

• Publish musllinux_1_2 instead of musllinux_1_1 wheels.
• Serialization uses small integer optimization in CPython 3.12 or later.

3.9.12

Fixed

• Minimal musllinux_1_1 build due to sporadic CI failure.

Changed

• Update benchmarks in README.

3.9.11

Changed

• Improve performance of serializing. str is significantly faster. Documents
  using dict, list, and tuple are somewhat faster.

3.9.10

Fixed

• Fix debug assert failure on 3.12 --profile=dev build.

3.9.9

Changed

• orjson module metadata explicitly marks subinterpreters as not supported.

3.9.8

Changed

• Improve performance.
• Drop support for Python 3.7.

3.9.7

Fixed

• Fix crash in orjson.loads() due to non-reentrant handling of persistent
  buffer. This was introduced in 3.9.3.
• Handle some FFI removals in CPython 3.13.

3.9.6

Fixed

• Fix numpy reference leak on unsupported array dtype.
• Fix numpy.datetime64 reference handling.

Changed

• Minor performance improvements.

3.9.5

Fixed

• Remove futex from module import and initialization path.

3.9.4

Fixed

• Fix hash builder using default values.
• Fix non-release builds of orjson copying large deserialization buffer
  from stack to heap. This was introduced in 3.9.3.