On behalf of Zope developer community I am pleased to announce the release of Zope 4.0b4. This release no longer supports Python 3.4, has some bugfixes an a breaking change for Python 3 users of Zope. Details see http://zope.readthedocs.io/en/latest/changes.html#b4-2018-04-23 To install the new version see the instructions for either zc.buildout: http://zope.readthedocs.io/en/latest/INSTALL-buildout.html or virtualenv/pip: http://zope.readthedocs.io/en/latest/INSTALL-virtualenv.html -- Mit freundlichen Grüßen Michael Howitz