On behalf of Zope developer community I am pleased to announce the release of Zope 4.8.3. This is a bugfix release to form the basis for Plone 5.2.10. For the full list of changes see the change log at https://zope.readthedocs.io/en/4.x/changes.html#id1 Installation instructions can be found at https://zope.readthedocs.io/en/4.x/INSTALL.html Jens Vagelpohl