Jim Fulton, CTO of Zope Corporation.
"Of course, Zope 3 has many things to offer too that are not found in Zope 2.
As far as maturity is concerned, we are being very careful to provide backward compatibility for released features. You can build on features and application programming interfaces (APIs) released in Zope 3.0 knowing that they will work in Zope 3.1 and 3.2, and that, should they change, there will be plenty of early-warning.
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