- Disable unsafe math optimizations in C code. (`55 <https://github.com/zopefoundation/ExtensionClass/pull/55>`_)
3.3
----------------
- Add support for Python 3.11 as of (3.11.0a5).
3.2
----------------
- Add support for Python 3.10.
3.1
----------------
- Create wheels for Linux (2010, 2014 and aarch64) and MacOS.
- Add support for Python 3.9.
- On CPython no longer omit compiling the C code when ``PURE_PYTHON`` is set. Just evaluate it at runtime. (`27 <https://github.com/zopefoundation/Persistence/issues/27>`_)