- Don't create wrappers when retrieving parent pointers.
2.13.2
===================
- LP 587760: Handle tp_basicsize correctly.
2.13.1
===================
- Removed undeclared testing dependency on zope.testing.
- Removed cruft in ``pickle/pickle.c`` related to removed ``__getnewargs__``.
2.13.0
===================
- Avoid defining ``__getnewargs__`` as not to defeat the ZODB persistent reference optimization. Refs https://bugs.launchpad.net/zope2/+bug/143657. In order to take advantage of this optimization, you need to re-save your objects.
2.12.0
===================
- Removed old build artifacts and some metadata cleanup.
- Added support for method cache in ExtensionClass. Patch contributed by Yoshinori K. Okuji. See https://bugs.launchpad.net/zope2/+bug/486182.