Some new features of Zope 2.11:
* ZODB 3.8 with blob support (binary large objects)
* Zope 3.4 integration
* transactional Mailhost implementation
* lots of minor improvements and fixes
For more information on what is new in this release, see the CHANGES.txt
files for the release:
http://www.zope.org/Products/Zope/2.11.0/CHANGES.txt