[zope-annce] Zope 4.8.4 and 5.7.1 released with a security fix

[Jens Vagelpohl]

On behalf of Zope developer community I am pleased to announce the releases of Zope 4.8.4 and 5.7.1.

This release fixes a security issue related to the "Content-Type" response header and how its default is set during publishing. For the full list of changes see the change logs at https://zope.readthedocs.io/en/4.x/changes.html#id1 and https://zope.readthedocs.io/en/latest/changes.html#id1

Installation instructions can be found at https://zope.readthedocs.io/en/4.x/INSTALL.html and https://zope.readthedocs.io/en/latest/INSTALL.html.

Jens Vagelpohl

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