update news and whatsnew

Author: nw0

Doc/whatsnew/3.10.rst

@@ -1252,13 +1252,14 @@ Porting to Python 3.10
   bugs like ``if (PyList_SET_ITEM (a, b, c) < 0) ...`` test.
   (Contributed by Zackery Spytz and Victor Stinner in :issue:`30459`.)
 
-* The non-limited API files ``odictobject.h``, ``parser_interface.h``,
-  ``picklebufobject.h``, ``pyarena.h``, ``pyctype.h``, ``pydebug.h``,
-  ``pyfpe.h``, and ``pytime.h`` have been moved to the ``Include/cpython``
+* The non-limited API files ``asdl.h``, ``odictobject.h``,
+  ``parser_interface.h``, ``picklebufobject.h``, ``pyarena.h``, ``pyctype.h``,
+  ``pydebug.h``, ``pyfpe.h``, ``pystrhex.h``, ``pytime.h``, ``symtable.h``,
+  ``token.h``, and ``tracemalloc.h`` have been moved to the ``Include/cpython``
   directory. These files must not be included directly, as they are already
   included in ``Python.h``: :ref:`Include Files <api-includes>`. If they have
-  been included directly, consider including ``Python.h`` instead.
-  (Contributed by Nicholas Sim in :issue:`35134`)
+  been included directly, consider including ``Python.h`` instead. (Contributed
+  by Nicholas Sim in :issue:`35134`)
 
 Deprecated
 ----------

Misc/NEWS.d/next/C API/2021-03-06-13-22-18.bpo-35134.X92fuH.rst

@@ -0,0 +1,3 @@
+Move asdl.h, pystrhex.h, symtable.h, token.h, and tracemalloc.h into the
+cpython/ directory. They must not be included directly, as they are already
+included by Python.h: :ref:`Include Files <api-includes>`.