[Barry]
> I've not heard about any showstoppers for Python 2.2.3.
Mike Fletcher submitted two weakref bugs, one in WeakValueDictionary which I
fixed in 2.3 but am waiting to hear from Fred about before backporting, the
other a segfault I think I traced to subtype_dealloc then assigned to Guido.
The segfault should be a showstopper:
http://www.python.org/sf/742911