On behalf of Zope developer community I am pleased to announce the release of Zope 4.0b7. This release contains bug fixes for the changes in the previous release and aims to ease the update to a newer version of the `persistent` package. For details of the bugfixes see https://zope.readthedocs.io/en/latest/changes.html#b7-2018-10-30 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 or pipenv: https://zope.readthedocs.io/en/latest/INSTALL-pipenv.html -- Mit freundlichen Grüßen Michael Howitz