First, the Zope 3 project is aggressively test-driven. Even at the alpha stage, there are already thousands of unit tests. Second, Zope 3 features are being slipstreamed into the 2.x series.

First, the Zope 3 project is aggressively test-driven. Even at the alpha stage there are already thousands of unit tests. Second, Zope 3 features are being slipstreamed into the 2.x series.