Core and Builtins
-----------------
+- _ast.__version__ is now a Mercurial integer and hex revision.
+
+ - Issue #11432: A bug was introduced in subprocess.Popen on posix systems with
+ 3.2.0 where the stdout or stderr file descriptor being the same as the stdin
+ file descriptor would raise an exception. webbrowser.open would fail. fixed.
+
+- Issue #9856: Change object.__format__ with a non-empty format string
+ to be a DeprecationWarning. In 3.2 it was a PendingDeprecationWarning.
+ In 3.4 it will be a TypeError.
+
+- Issue #11244: The peephole optimizer is now able to constant-fold
+ arbitrarily complex expressions. This also fixes a 3.2 regression where
+ operations involving negative numbers were not constant-folded.
+
- Issue #11450: Don't truncate hg version info in Py_GetBuildInfo() when
there are many tags (e.g. when using mq). Patch by Nadeem Vawda.