Add note about __getattribute__.
diff --git a/Misc/NEWS b/Misc/NEWS
index 47cf1f1..713eb17 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -19,6 +19,15 @@
constructor, with the same signature as the builtin open() function.
file() is now the preferred way to open a file.
+- In 2.2a3, *for new-style classes only*, __getattr__ was called for
+ every attribute access. This was confusing because it differed
+ significantly from the behavior of classic classes, where it was
+ only called for missing attributes. Now, __getattr__ is called only
+ if regular attribute access raises AttributeError; to catch *all*
+ attribute access, *for new-style classes only*, you can use
+ __getattribute__. If both are defined, __getattribute__ is called
+ first, and if it raises AttributeError, __getattr__ is called.
+
- In 2.2a3, __new__ would only see sequential arguments passed to the
type in a constructor call; __init__ would see both sequential and
positional arguments. This made no sense whatsoever any more, so