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 Change log — Zope 5.8.5 documentation resp. Change log — Zope 4.8.10 documentation.
Installation instructions can be found at Installing Zope — Zope 5.8.5 documentation resp. Installing Zope — Zope 4.8.10 documentation.
Michael Howitz