changelog updates

docs/changelog.rst

@@ -5,7 +5,17 @@ Changelog
 
 1.6 (not yet released)
 ----------------------
-* TBD
+* Added a new ``move`` return value policy that triggers C++11 move semantics.
+  The automatic return value policy falls back to this case when a rvalue
+  reference is encountered
+* ``keep_alive`` fix: don't fail when there is no patient
+* ``functional.h``: acquire the GIL before calling Python function
+* Added Python RAII type wrappers ``none`` and ``iterable``
+* Added ``*args`` and ``*kwargs`` pass-through parameters to
+  ``pybind11.get_include()`` function
+* Significantly more general GIL state routines that are used instead of
+  Python's troublesome ``PyGILState_Ensure`` and ``PyGILState_Release`` API.
+* Documentation improvements: ``opaque``, return value policies
 
 1.5 (April 21, 2016)
 ----------------------