Issue #12319: Move NEWS under beta 1 heading

Misc/NEWS

@@ -46,6 +46,14 @@ Core and Builtins
 Library
 -------
 
+- Issue #12319: Chunked transfer encoding support added to
+  http.client.HTTPConnection requests.  The
+  urllib.request.AbstractHTTPHandler class does not enforce a Content-Length
+  header any more.  If a HTTP request has a non-empty body, but no
+  Content-Length header, and the content length cannot be determined
+  up front, rather than throwing an error, the library now falls back
+  to use chunked transfer encoding.
+
 - A new version of typing.py from https://github.com/python/typing:
   - Collection (only for 3.6) (Issue #27598)
   - Add FrozenSet to __all__ (upstream #261)
@@ -160,14 +168,6 @@ Library
   then further affects other traceback display operations in the module). Patch
   by Emanuel Barry.
 
-- Issue #12319: Chunked transfer encoding support added to
-  http.client.HTTPConnection requests.  The
-  urllib.request.AbstractHTTPHandler class does not enforce a Content-Length
-  header any more.  If a HTTP request has a non-empty body, but no
-  Content-Length header, and the content length cannot be determined
-  up front, rather than throwing an error, the library now falls back
-  to use chunked transfer encoding.
-
 - Issue #27664: Add to concurrent.futures.thread.ThreadPoolExecutor()
   the ability to specify a thread name prefix.