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3.10 (2024-09-15)

  • Reverted to Unicode 15.1.0 data. Unicode 16 has some significant changes to UTS46 processing that will require more work to properly implement.

3.9 (2024-09-13)

  • Update to Unicode 16.0.0
  • Deprecate setup.cfg in favour of pyproject.toml
  • Use ruff for code formatting

Thanks to Waket Zheng for contributions to this release.

3.8 (2024-08-23)

  • Fix regression where IDNAError exception was not being produced for certain inputs.
  • Add support for Python 3.13, drop support for Python 3.5 as it is no longer testable.
  • Documentation improvements
  • Updates to package testing using Github actions

Thanks to Hugo van Kemenade for contributions to this release.

3.7 (2024-04-11)

  • Fix issue where specially crafted inputs to encode() could take exceptionally long amount of time to process. [CVE-2024-3651]

Thanks to Guido Vranken for reporting the issue.

3.6 (2023-11-25)

  • Fix regression to include tests in source distribution.

3.5 (2023-11-24)

  • Update to Unicode 15.1.0
  • String codec name is now "idna2008" as overriding the system codec "idna" was not working.
  • Fix typing error for codec encoding
  • "setup.cfg" has been added for this release due to some downstream lack of adherence to PEP 517. Should be removed in a future release so please prepare accordingly.
  • Removed reliance on a symlink for the "idna-data" tool to comport with PEP 517 and the Python Packaging User Guide for sdist archives.
  • Added security reporting protocol for project

Thanks Jon Ribbens, Diogo Teles Sant'Anna, Wu Tingfeng for contributions to this release.

3.4 (2022-09-14)

  • Update to Unicode 15.0.0
  • Migrate to pyproject.toml for build information (PEP 621)
  • Correct another instance where generic exception was raised instead of IDNAError for malformed input
  • Source distribution uses zeroized file ownership for improved reproducibility

Thanks to Seth Michael Larson for contributions to this release.

3.3 (2021-10-13)

  • Update to Unicode 14.0.0
  • Update to in-line type annotations
  • Throw IDNAError exception correctly for some malformed input
  • Advertise support for Python 3.10
  • Improve testing regime on Github
  • Fix Russian typo in documentation

Thanks to Jon Defresne, Hugo van Kemenade, Seth Michael Larson, Patrick Ventuzelo and Boris Verhovsky for contributions to this release.

3.2 (2021-05-29)

  • Add type hints (Thanks, Seth Michael Larson!)
  • Remove support for Python 3.4

3.1 (2021-01-04)

  • Ensure license is included in package (Thanks, Julien Schueller)
  • No longer mark wheel has universal (Thanks, Matthieu Darbois)
  • Test on PowerPC using Travis CI

3.0 (2021-01-01)

  • Python 2 is no longer supported (the 2.x branch supports Python 2, use "idna<3" in your requirements file if you need Python 2 support)
  • Support for V2 UTS 46 test vectors.

2.10 (2020-06-27)

  • Update to Unicode 13.0.0.
  • Throws a more specific exception if "xn--" is provided as a label.
  • This is expected to be the last version that supports Python 2.

2.9 (2020-02-16)

  • Update to Unicode 12.1.0.
  • Prohibit A-labels ending with a hyphen (Thanks, Julien Bernard!)
  • Future-proofing: Test on Python 3.7 and 3.8, don't immediately fail should Python 4 come along.
  • Made BSD 3-clause license clearer

2.8 (2018-12-04)

  • Update to Unicode 11.0.0.
  • Provide more specific exceptions for some malformed labels.

2.7 (2018-06-10)

  • Update to Unicode 10.0.0.
  • No longer accepts dot-prefixed domains (e.g. ".example") as valid. This is to be more conformant with the UTS 46 spec. Users should strip dot prefixes from domains before processing.

2.6 (2017-08-08)

  • Allows generation of IDNA and UTS 46 table data for different versions of Unicode, by deriving properties directly from Unicode data.
  • Ability to generate RFC 5892/IANA-style table data
  • Diagnostic output of IDNA-related Unicode properties and derived calculations for a given codepoint
  • Support for idna.__version__ to report version
  • Support for idna.idnadata.__version__ and idna.uts46data.__version__ to report Unicode version of underlying IDNA and UTS 46 data respectively.

2.5 (2017-03-07)

  • Fix bug with Katakana middle dot context-rule (Thanks, Greg Shikhman.)

2.4 (2017-03-01)

  • Restore IDNAError to be a subclass of UnicodeError, as some users of this library are only looking for the latter to catch invalid strings.

2.3 (2017-02-28)

  • Fix bugs relating to deriving IDNAError from UnicodeError.
  • More memory footprint improvements (Thanks, Alex Gaynor)

2.2 (2016-12-21)

  • Made some changes to the UTS 46 data that should allow Jython to get around 64kb Java class limits. (Thanks, John A. Booth and Marcin Płonka.)
  • In Python 2.6, skip two tests that rely on data not present in that Python version's unicodedata module.
  • Use relative imports to help downstream users.

2.1 (2016-03-20)

  • Memory consumption optimizations. The library should consume significantly less memory through smarter data structures being used to represent relevant Unicode properties. Many thanks to Shivaram Lingamneni for this patch.
  • Patches to make library work better with Python 2.6. The core library currently works however the unit testing does not. (Thanks, Robert Buchholz)
  • Better affix all Unicode codepoint properties to a specific version.

2.0 (2015-05-18)

  • Added support for Unicode IDNA Compatibility Processing (aka Unicode Technical Standard #46). Big thanks to Jon Ribbens who contributed this functionality.

1.1 (2015-01-27)

  • Use IDNA properties from Unicode 6.3.0. Internet Architecture Board (IAB) issued statement recommending against the use of Unicode 7.0.0 until issues relating to U+08A1 codepoint are resolved. See http://goo.gl/Ed1n0K
  • Identify some cases when label would be too longer to be a legal DNS name and raise an exception. (Thanks, Ed Lewis)

1.0 (2014-10-12)

  • Update IDNA properties for Unicode 7.0.0.

0.9 (2014-07-18)

  • Fix issue with non-UTF-8 environments reading the README file now that it contains non-ASCII. (Thanks, Tom Prince)
  • Codec functions are useful, so they are separated into their own module, rather than just existing for compatibility reasons.
  • Add LICENSE file.

0.8 (2014-07-09)

  • Added MANIFEST.in for correct source distribution compilation.

0.7 (2014-07-09)

  • Filled out missing tests for various functions.
  • Fix bug in CONTEXTO validation for Greek lower numeral sign (U+0375)
  • Fix bug in CONTEXTO validation for Japanese middle dot (U+30FB)
  • Improved documentation
  • Move designation to Stable

0.6 (2014-04-29)

  • Minor improvements to Python 3 support, tests (Thanks, Derek Wilson)

0.5 (2014-02-05)

  • Update IDNA properties for Unicode 6.3.0.

0.4 (2014-01-07)

  • Fix trove classifier for Python 3. (Thanks, Hynek Schlawack)

0.3 (2013-07-18)

  • Ported to Python 3.

0.2 (2013-07-16)

  • Improve packaging.
  • More conformant, passes all relevant tests in the Unicode TR46 test suite.

0.1 (2013-05-27)

  • First proof-of-concept version.