* Revert changes to ``$dynamicRef`` which caused a performance regression in v4.5.0 * Validator classes for each version now maintain references to the correct corresponding format checker (#905) * Development has moved to a `GitHub organization <https://github.com/python-jsonschema/>`_. No functional behavior changes are expected from the change. OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-jsonschema?expand=0&rev=50