On behalf of Zope developer community I am pleased to announce the release of Zope 5.8.5 and Zope 4.8.10. These releases fix some security issues. So you are advised to update. For the full list of changes see the change logs at https://zope.readthedocs.io/en/latest/changes.html#id1 resp. https://zope.readthedocs.io/en/4.x/changes.html#id1. Installation instructions can be found at https://zope.readthedocs.io/en/latest/INSTALL.html resp. https://zope.readthedocs.io/en/4.x/INSTALL.html. Michael Howitz