Fixed

• Fix encoding ref leak with non-English character (#714) @nhancdt2602
• Fix memory leak when ujson.dump() is unable to write to its file (0bf630a) @bwoodsend

Note that pre-built wheels for graalpy on macOS have been omitted from this release due to infrastructural issues building them (#731).

Added

• Update license field (#693) @wagenrace
• Build wheels for GraalPy (#685) @timfel

Changed

• Drop support for Python 3.9 (#686) @hugovk

Fixed

• Fix memory leak parsing large integers (4baeb95) @bwoodsend
• Fix buffer overflow/infinite loop from indent handling (#709) @bwoodsend
• Remove upper bound of setuptools for PyPy (#704) @hugovk

Added

• Inline type stubs (#674) @MarcoGorelli
• Add support for Python 3.14 (#680) @hugovk
• Add support for PyPy3.11 (#658) @hugovk
• Add Windows ARM64 wheels (#663) @tonybaloney

Changed

• Migrate to src/ layout (#664) @hugovk
• Build aarch64 wheels using native runners (#652) @hugovk
• Drop support for EOL Python 3.8 (#645) @hugovk
• Drop support for EOL PyPy3.8-PyPy3.10 (#639, #682) @hugovk

Fixed

• fix(ujson.loads): raises a JSONDecodeError instead of SystemError when parsing a nested json string (#667) @grandnew
• Pin setuptools < 72.2 to fix build on PyPy (#638) @hugovk
• Update README.md example to match actual output (#654) @AvdN

Added

• Add support for Python 3.13 (#628) @hugovk

Breaking

• Raise TypeError if toDict() returns a non-dict instead of silently converting it to null (#615) @eltoder
• Use lowercase strings for bool dict keys (#614) @eltoder

Added

• Deploy to PyPI using trusted publishing (#603) @hugovk
• Replace PyPy3.8 wheel with PyPy3.10 (#602) @hugovk

Changed

• Speed-up and cleanup objToJSON (#615) @eltoder
• Use lowercase strings for bool dict keys (#614) @eltoder

Fixed

• Fix typos found by codespell (#610) @DimitriPapadopoulos
• Fix undefined behavior in Buffer_AppendLongUnchecked (#606) @WillAyd

Added

• Build wheel for Python 3.12 beta (built against 3.12.0b2) (#594) @hugovk

Changed

• Drop support for Python 3.7 (#595) @hugovk

Fixed

• Include BSD-3-Clause and TCL license text (#584) @musicinmybrain

Added

• Support ujson.loads(bytearray(...)) and other bytes-like objects. (#573) @bwoodsend

Added

• Update vendored double-conversion to 3.2.1 (#570) @joemarshall

Fixed

• Fix len integer overflow issue (#567) @marioga

Added

• Add support for Python 3.11 and PyPy3.9 (#564) @hugovk
• Add separators encoding parameter (#557) @JustAnotherArchivist

Fixed

• Fix encoding of infinity (#80). (#562) @bwoodsend

Added

• Add support for arbitrary size integers (#548) @JustAnotherArchivist

Fixed

• CVE-2022-31116:
  • Replace wchar_t string decoding implementation with a uint32_t-based one (#555) @JustAnotherArchivist
  • Fix handling of surrogates on decoding (#550) @JustAnotherArchivist
• CVE-2022-31117: Potential double free of buffer during string decoding @JustAnotherArchivist
• Fix memory leak on encoding errors when the buffer was resized (#549) @JustAnotherArchivist
• Integer parsing: always detect overflows (#544) @NaN-git
• Fix handling of surrogates on encoding (#530) @JustAnotherArchivist