Null merge from 3.5.

.hgtags

@@ -144,6 +144,7 @@ c0e311e010fcb5bae8d87ca22051cd0845ea0ca0 v3.4.1
 ab2c023a9432f16652e89c404bbc84aa91bf55af v3.4.2
 69dd528ca6255a66c37cc5cf680e8357d108b036 v3.4.3rc1
 b4cbecbc0781e89a309d03b60a1f75f8499250e6 v3.4.3
+04f3f725896c6961212c3a12e8ac25be6958f4fa v3.4.4rc1
 5d4b6a57d5fd7564bf73f3db0e46fe5eeb00bcd8 v3.5.0a1
 0337bd7ebcb6559d69679bc7025059ad1ce4f432 v3.5.0a2
 82656e28b5e5c4ae48d8dd8b5f0d7968908a82b6 v3.5.0a3
@@ -158,3 +159,4 @@ cc15d736d860303b9da90d43cd32db39bab048df v3.5.0rc2
 2d033fedfa7f1e325fd14ccdaa9cb42155da206f v3.5.0rc4
 374f501f4567b7595f2ad7798aa09afa2456bb28 v3.5.0
 948ef16a69513ba1ff15c9d7d0b012b949df4c80 v3.5.1rc1
+37a07cee5969e6d3672583187a73cf636ff28e1b v3.5.1

Misc/NEWS

@@ -5,7 +5,7 @@ Python News
 What's New in Python 3.6.0 alpha 1?
 ===================================
 
-Release date: XXXX-XX-XX
+Release date: tba
 
 Core and Builtins
 -----------------
@@ -514,8 +514,8 @@ Release date: 2015-12-06
 Core and Builtins
 -----------------
 
-Library
--------
+- Issue #25709: Fixed problem with in-place string concatenation and
+  utf-8 cache.
 
 Windows
 -------
@@ -523,6 +523,7 @@ Windows
 - Issue #25715: Python 3.5.1 installer shows wrong upgrade path and incorrect
   logic for launcher detection.
 
+
 What's New in Python 3.5.1 release candidate 1?
 ===============================================