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| -rw-r--r-- | Misc/NEWS | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -13,6 +13,12 @@ Core language, builtins, and interpreter - Functions are now compared and hashed by identity, not by value, since the func_code attribute is writable. +- Weak references (PEP 205) have been added. This involves a few + changes in the core, an extension module (_weakref), and a Python + module (weakref). The weakref module is the public interface. It + includes support for "explicit" weak references, proxy objects, and + mappings with weakly held values. + Standard library - mailbox.py now has a new class, PortableUnixMailbox which is |