- update to 6.2:
* Make ``next()`` on C proxies call ``__next__`` rather than
``next`` (see PEP 3114), and drop support for the Python 2
``next`` method name from pure-Python proxies.
* Drop using ``setup_requires`` due to constant problems on
GHA.
* Add support for Python 3.12.

- Update to version 5.8
- Update to version 5.7
- Update to version 5.6
- Update to version 5.3.0
* Fix the decimal.Decimal checker, __truediv__ was missing
causing ForbiddenAttribute on a ProxyFactory(Decimal('1')) / 1
* Add the interface ISystemPrincipal and make
zope.security.management.system_user a regular object that
__unicode__ just like the C implementation. Note that __str__ is
checked for both implementations on both Python 2 and 3, but if
there is no __unicode__ method defined, Python 2’s automatic
* Fix the default values for Permission fields title and
* Change the IPermission.id from Text (unicode) to a
* Fix the extremely rare potential for a crash when the C
* The pure-Python proxy didn’t propagate TypeError from __repr__
* Iteration of zope.interface.providedBy() is now allowed by
* Respect PURE_PYTHON at runtime.
* Fix watching checkers (ZOPE_WATCH_CHECKERS=1) in pure-Python
dependency loop and other zope-related problems, see