Library

ultrajson 6.0.0

Version6.0.0
Stars★ 4,497
Released2026-09-04

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

Release notes

## Changed

* Assorted cleanup refactors (#756) @bwoodsend

## Removed

* Reduce bytes-like support to only bytes and bytearray (#755) @bwoodsend

## Fixed

* Allow default handler to handle bytes (#759) @bwoodsend
* Update build dependencies to avoid warning about missing [tool.setuptools_scm] section (#746) @musicinmybrain
* Tighten UTF-8 validation for ujson.loads()-ing strings from bytes (#750) @bwoodsend, @hugovk

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Discovered 2026-09-04 Source GitHub Archive 2026-09 →