diff -r b811ec148337 Misc/NEWS
--- a/Misc/NEWS	Thu Oct 20 21:45:49 2016 +0000
+++ b/Misc/NEWS	Fri Oct 21 10:31:39 2016 +0900
@@ -17,12 +17,15 @@ Core and Builtins
   crash in socket.setblocking.
 
 
 Library
 -------
 
+- Issue #28430: Fix iterator of C implemented asyncio.Future doesn't accept
+  non-None value is passed to it.send(val).
+
 - Issue #28480: Fix error building socket module when multithreading is
   disabled.
 
 - Issue #24452: Make webbrowser support Chrome on Mac OS X.
 
 - Issue #20766: Fix references leaked by pdb in the handling of SIGINT
@@ -53,79 +56,79 @@ What's New in Python 3.6.0 beta 2
 
 Core and Builtins
 -----------------
 
 - Issue #28183: Optimize and cleanup dict iteration.
 
+- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
+  Patch by Xiang Zhang.
+
+- Issue #28376: The type of long range iterator is now registered as Iterator.
+  Patch by Oren Milman.
+
+- Issue #28376: Creating instances of range_iterator by calling range_iterator
+  type now is deprecated.  Patch by Oren Milman.
+
+- Issue #28376: The constructor of range_iterator now checks that step is not 0.
+  Patch by Oren Milman.
+
+- Issue #26906: Resolving special methods of uninitialized type now causes
+  implicit initialization of the type instead of a fail.
+
+- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
+  Original patch by Niklas Koep.
+
+- Issue #24098: Fixed possible crash when AST is changed in process of
+  compiling it.
+
+- Issue #28201: Dict reduces possibility of 2nd conflict in hash table when
+  hashes have same lower bits.
+
+- Issue #28350: String constants with null character no longer interned.
+
+- Issue #26617: Fix crash when GC runs during weakref callbacks.
+
+- Issue #27942: String constants now interned recursively in tuples and frozensets.
+
+- Issue #21578: Fixed misleading error message when ImportError called with
+  invalid keyword args.
+
+- Issue #28203: Fix incorrect type in complex(1.0, {2:3}) error message.
+  Patch by Soumya Sharma.
+
+- Issue #28086: Single var-positional argument of tuple subtype was passed
+  unscathed to the C-defined function.  Now it is converted to exact tuple.
+
+- Issue #28214: Now __set_name__ is looked up on the class instead of the
+  instance.
+
+- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
+  syscall fails with EPERM, for example when blocked by SECCOMP.
+
+- Issue #28192: Don't import readline in isolated mode.
+
+- Upgrade internal unicode databases to Unicode version 9.0.0.
+
+- Issue #28131: Fix a regression in zipimport's compile_source().  zipimport
+  should use the same optimization level as the interpreter.
+
+- Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly
+  optimize memcpy().
+
+- Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
+  "pending key" (Not yet inserted in split-table). Patch by Xiang Zhang.
+
+- Issue #26182: Raise DeprecationWarning when async and await keywords are
+  used as variable/attribute/class/function name.
+
+Library
+-------
+
 - Issue #26081: Added C implementation of asyncio.Future.
   Original patch by Yury Selivanov.
 
-- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
-  Patch by Xiang Zhang.
-
-- Issue #28376: The type of long range iterator is now registered as Iterator.
-  Patch by Oren Milman.
-
-- Issue #28376: Creating instances of range_iterator by calling range_iterator
-  type now is deprecated.  Patch by Oren Milman.
-
-- Issue #28376: The constructor of range_iterator now checks that step is not 0.
-  Patch by Oren Milman.
-
-- Issue #26906: Resolving special methods of uninitialized type now causes
-  implicit initialization of the type instead of a fail.
-
-- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
-  Original patch by Niklas Koep.
-
-- Issue #24098: Fixed possible crash when AST is changed in process of
-  compiling it.
-
-- Issue #28201: Dict reduces possibility of 2nd conflict in hash table when
-  hashes have same lower bits.
-
-- Issue #28350: String constants with null character no longer interned.
-
-- Issue #26617: Fix crash when GC runs during weakref callbacks.
-
-- Issue #27942: String constants now interned recursively in tuples and frozensets.
-
-- Issue #21578: Fixed misleading error message when ImportError called with
-  invalid keyword args.
-
-- Issue #28203: Fix incorrect type in complex(1.0, {2:3}) error message.
-  Patch by Soumya Sharma.
-
-- Issue #28086: Single var-positional argument of tuple subtype was passed
-  unscathed to the C-defined function.  Now it is converted to exact tuple.
-
-- Issue #28214: Now __set_name__ is looked up on the class instead of the
-  instance.
-
-- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
-  syscall fails with EPERM, for example when blocked by SECCOMP.
-
-- Issue #28192: Don't import readline in isolated mode.
-
-- Upgrade internal unicode databases to Unicode version 9.0.0.
-
-- Issue #28131: Fix a regression in zipimport's compile_source().  zipimport
-  should use the same optimization level as the interpreter.
-
-- Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly
-  optimize memcpy().
-
-- Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
-  "pending key" (Not yet inserted in split-table). Patch by Xiang Zhang.
-
-- Issue #26182: Raise DeprecationWarning when async and await keywords are
-  used as variable/attribute/class/function name.
-
-Library
--------
-
 - Issue #27998: Fixed bytes path support in os.scandir() on Windows.
   Patch by Eryk Sun.
 
 - Issue #28317: The disassembler now decodes FORMAT_VALUE argument.
 
 - Issue #26293: Fixed writing ZIP files that starts not from the start of the
diff -r b811ec148337 Modules/_asynciomodule.c
--- a/Modules/_asynciomodule.c	Thu Oct 20 21:45:49 2016 +0000
+++ b/Modules/_asynciomodule.c	Fri Oct 21 10:31:39 2016 +0900
@@ -812,19 +812,14 @@ FutureIter_iternext(futureiterobject *it
     it->future = NULL;
     Py_DECREF(fut);
     return NULL;
 }
 
 static PyObject *
-FutureIter_send(futureiterobject *self, PyObject *arg)
+FutureIter_send(futureiterobject *self, PyObject *unused)
 {
-    if (arg != Py_None) {
-        PyErr_Format(PyExc_TypeError,
-                     "can't send non-None value to a FutureIter");
-        return NULL;
-    }
     return FutureIter_iternext(self);
 }
 
 static PyObject *
 FutureIter_throw(futureiterobject *self, PyObject *args)
 {