[Zope-dev] Heads up: about to merge new-style ExtensionClass and ZODB 3.3 into Zope 2 head

[Jim Fulton]

Florent Guillaume wrote:
> In article <3FC762CB.6090701 at zope.com> you write:
> 
>>As I mentioned in another message, old Zope 2 databases won't work on the
>>head for a while until I have a chance to come up with a mechanism for
>>converting ancient BTrees and intSets.
> 
> 
> Could you define "ancient"?

In this case, more than 2 years,

 > Since what version have "recent" BTrees been
> used in Zope?

2.3.

Jim

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