UltraJSON Files

Ultra fast JSON decoder and encoder written in C with Python bindings

This is an exact mirror of the UltraJSON project, hosted at https://github.com/ultrajson/ultrajson. SourceForge is not affiliated with UltraJSON.

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Name	Modified	Size	InfoDownloads / Week
Parent folder
5.13.0 source code.tar.gz	2026-06-14	7.3 MB	0
5.13.0 source code.zip	2026-06-14	7.3 MB	0
README.md	2026-06-14	529 Bytes	0
Totals: 3 Items		14.6 MB	0

Added

Create manylinux2014 wheels (#745) @hugovk
Add support for Python 3.15 (#742) @hugovk
Disable global interpreter lock for freethreading (#737) @bwoodsend
Re-enable building GraalPy wheels on macOS arm64 (#733) @timfel

Changed

Move metadata from setup.cfg to pyproject.toml (#736) @hugovk

Fixed

Tighten UTF-8 validation for ujson.dumps(b"...", reject_bytes=False) (169eaf36b1116fece5034ee79a7a0ef3f6deedcf) @bwoodsend
Replace generated version.h with macro (#735) @hugovk

Source: README.md, updated 2026-06-14

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