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Version 2.0.0 released 2023-03-15

Additions:

  • Add a generic register_preserialisation_callback mechanism, which allows users to teach canonicaljson how to JSON-encode custom types.

Breaking changes:

  • Remove support for serialising frozendict instances. Use the new register_preserialisation_callback mechanism to replace this functionality if needed.
  • Remove support for simplejson and the set_json_libraryalternative json libraries.

Version 1.6.5 released 2023-02-15

  • Update type hints to pass under mypy 1.0.

Version 1.6.4 released 2022-11-04

  • Remove unused setuptools_scm build requirement.

Version 1.6.3 released 2022-09-23

  • Properly package the canonicaljson module.

Version 1.6.2 released 2022-06-08

  • Bump version to 1.6.2

The v1.6.1 tag was created without having bumped the version in canonicaljson.py. This means that installing from source at the v1.6.1 tag will install the package with the wrong version in its metadata. The 1.6.1 artefacts uploaded to PyPI did have the correct version; pip installing directly from the archive resulted in a consistent version number.

Version 1.6.1 released 2022-05-02

  • Add type annotations.

Version 1.6.0 released 2022-03-04

  • frozendict is now an optional dependency; it is no longer required.

Version 1.5.0 released 2021-10-20

  • Switch CI from Travis to Github Actions
  • Add code to handle frozendict implementations using c-extension
  • Add tests for Python 3.10
  • Remove outdated Debian packaging code

Version 1.4.0 released 2020-09-03

  • Fix producing non-standard JSON for Infinity, -Infinity, and NaN. This could cause errors when encoding objects into canonical JSON that previously used to work, but were incompatible with JSON implementations in other languages.
  • Use UTF-8 to fix ASCII encoding errors when data containing Unicode was attempted to be pretty-printed.

Version 1.3.0 released 2020-08-14

  • The minimum version of simplejson was bumped to 3.14.0.
  • Obsolete workaround for slow encoding of Unicode characters was removed.
  • New APIs were added to iteratively encode JSON.

Version 1.2.0 released 2020-07-27

  • JSON from the standard library is used automatically on PyPy.
  • Support for Python versions which are end-of-lifed was dropped, Python >= 3.5 is supported and tested in continuous integration.
  • An API to configure the underlying JSON library was added (set_json_library).

Version 1.1.4 released 2018-05-23

  • Fix error when encoding non-BMP characters on UCS-2 python builds (fixes issue #12).

Version 1.1.3 released 2018-04-13

  • Bump depencency on frozendict to >=1.0, to fix conflicts with older versions.

Version 1.1.2 released 2018-04-12

  • Fix escaping of control characters U+0000 to U+001F AGAIN, which was STILL broken in the previous release

Version 1.1.1 released 2018-04-11

  • Fix escaping of control characters U+0000 to U+001F, which was broken in the previous release

Version 1.1.0 released 2018-04-06

  • Significant performance improvements (#7, #8, #9)

Version 1.0.0 released 2015-08-21

  • Initial release