Update 9.6 release notes through today.

doc/src/sgml/config.sgml

@@ -5388,9 +5388,10 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
     <title>Process Title</title>
 
     <para>
-     These settings control how the process title as seen
+     These settings control how process titles of server processes are
-     by <command>ps</command> is modified.  See <xref linkend="monitoring-ps">
+     modified.  Process titles are typically viewed using programs like
-     for details.
+     <application>ps</> or, on Windows, <application>Process Explorer</>.
+     See <xref linkend="monitoring-ps"> for details.
     </para>
 
     <variablelist>
@@ -5403,18 +5404,14 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
       <listitem>
        <para>
         Sets the cluster name that appears in the process title for all
-        processes in this cluster. The name can be any string of less than
+        server processes in this cluster. The name can be any string of less
-        <symbol>NAMEDATALEN</> characters (64 characters in a standard
+        than <symbol>NAMEDATALEN</> characters (64 characters in a standard
         build). Only printable ASCII characters may be used in the
         <varname>cluster_name</varname> value. Other characters will be
         replaced with question marks (<literal>?</literal>).  No name is shown
         if this parameter is set to the empty string <literal>''</> (which is
         the default). This parameter can only be set at server start.
        </para>
-       <para>
-        The process title is typically viewed using programs like
-        <application>ps</> or, on Windows, <application>Process Explorer</>.
-       </para>
       </listitem>
      </varlistentry>
 
@@ -5427,11 +5424,10 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
       <listitem>
        <para>
         Enables updating of the process title every time a new SQL command
-        is received by the server.  The process title is typically viewed
+        is received by the server.
-        by the <command>ps</> command,
+        This setting defaults to <literal>on</> on most platforms, but it
-        or in Windows by using the <application>Process Explorer</>.
+        defaults to <literal>off</> on Windows due to that platform's larger
-        This value defaults to off on Windows platforms due to the
+        overhead for updating the process title.
-        platform's significant overhead for updating the process title.
         Only superusers can change this setting.
        </para>
       </listitem>

doc/src/sgml/release-9.6.sgml

@@ -7,7 +7,7 @@
   <note>
    <title>Release Date</title>
    <simpara>2016-??-??</simpara>
-   <simpara>Current as of 2016-08-08 (commit 34927b292)</simpara>
+   <simpara>Current as of 2016-08-27 (commit b9fe6cbc8)</simpara>
   </note>
 
   <sect2>
@@ -348,6 +348,7 @@ This commit is also listed under libpq and psql
 2016-04-27 [59eb55127] Fix EXPLAIN VERBOSE output for parallel aggregate.
 2016-06-09 [c9ce4a1c6] Eliminate "parallel degree" terminology.
 2016-06-16 [75be66464] Invent min_parallel_relation_size GUC to replace a hard-
+2016-08-16 [f85b1a841] Disable parallel query by default.
 -->
        <para>
         Parallel queries (Robert Haas, Amit Kapila, David Rowley,
@@ -365,9 +366,11 @@ This commit is also listed under libpq and psql
        </para>
 
        <para>
-        Use of parallel query execution can be controlled
+        Parallel query execution is not (yet) enabled by default.
-        through the new configuration parameters <xref
+        To allow it, set the new configuration
-        linkend="guc-max-parallel-workers-per-gather">,
+        parameter <xref linkend="guc-max-parallel-workers-per-gather"> to a
+        value larger than zero.  Additional control over use of parallelism
+        is available through other new configuration parameters
         <xref linkend="guc-force-parallel-mode">,
         <xref linkend="guc-parallel-setup-cost">, <xref
         linkend="guc-parallel-tuple-cost">, and <xref
@@ -1030,6 +1033,22 @@ This commit is also listed under libpq and psql
        </para>
       </listitem>
 
+      <listitem>
+<!--
+2016-08-17 [9b33c7e80] Disable update_process_title by default on Windows
+-->
+       <para>
+        Disable <xref linkend="guc-update-process-title"> by default on
+        Windows (Takayuki Tsunakawa)
+       </para>
+
+       <para>
+        The overhead of updating the process title is much larger on Windows
+        than most other platforms, and it is also less useful to do it since
+        most Windows users do not have tools that can display process titles.
+       </para>
+      </listitem>
+
      </itemizedlist>
 
     </sect4>
@@ -2431,6 +2450,22 @@ XXX this is pending backpatch, may need to remove
 
       <listitem>
 <!--
+2016-08-26 [e796d0aba] Add a nonlocalized version of the severity field to clie
+-->
+       <para>
+        Add a nonlocalized version of the severity field in error and notice
+        messages (Tom Lane)
+       </para>
+
+       <para>
+        This change allows client code to determine severity of an error or
+        notice without having to worry about localized variants of the
+        severity strings.
+       </para>
+      </listitem>
+
+      <listitem>
+<!--
 2015-09-05 [0426f349e] Rearrange the handling of error context reports.
 This commit is also listed under psql and PL/pgSQL
 -->
@@ -2957,6 +2992,25 @@ This commit is also listed under libpq and PL/pgSQL
 
       <listitem>
 <!--
+2016-08-27 [b9fe6cbc8] Add macros to make AllocSetContextCreate() calls simpler
+-->
+       <para>
+        Add macros to make <function>AllocSetContextCreate()</> calls simpler
+        and safer (Tom Lane)
+       </para>
+
+       <para>
+        Writing out the individual sizing parameters for a memory context
+        is now deprecated in favor of using one of the new
+        macros <symbol>ALLOCSET_DEFAULT_SIZES</>,
+        <symbol>ALLOCSET_SMALL_SIZES</>,
+        or <symbol>ALLOCSET_START_SMALL_SIZES</>.
+        Existing code continues to work, however.
+       </para>
+      </listitem>
+
+      <listitem>
+<!--
 2015-08-05 [de6fd1c89] Rely on inline functions even if that causes warnings in
 -->
        <para>
@@ -3038,19 +3092,24 @@ This commit is also listed under libpq and PL/pgSQL
 <!--
 2016-01-17 [65c5fcd35] Restructure index access method API to hide most of it a
 2016-01-21 [be44ed27b] Improve index AMs' opclass validation procedures.
+2016-08-13 [ed0097e4f] Add SQL-accessible functions for inspecting index AM pro
 -->
        <para>
         Restructure index access method <acronym>API</> to hide most of
-        it at the <application>C</> level (Alexander Korotkov)
+        it at the <application>C</> level (Alexander Korotkov, Andrew Gierth)
        </para>
 
        <para>
         This change modernizes the index <acronym>AM API</> to look more
         like the designs we have adopted for foreign data wrappers and
         tablesample handlers.  This simplifies the <application>C</> code
-        and should make it more feasible to define index access methods in
+        and makes it much more practical to define index access methods in
         installable extensions.  A consequence is that most of the columns
         of the <structname>pg_am</> system catalog have disappeared.
+        New <link linkend="functions-info-catalog-table">inspection
+        functions</link> have been added to allow SQL queries to determine
+        index AM properties that used to be discoverable
+        from <structname>pg_am</>.
        </para>
       </listitem>