diff --git a/Misc/ACKS b/Misc/ACKS
index 9cc1c1e..46f4ae7 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -795,6 +795,7 @@
 Jerzy Kozera
 Maksim Kozyarchuk
 Stefan Krah
+Rolf Krahl
 Bob Kras
 Sebastian Kreft
 Holger Krekel
diff --git a/Misc/NEWS b/Misc/NEWS
index 5d98cdd..e0cd715 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -160,6 +160,14 @@
   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.