diff --git a/doc/src/sgml/release-8.4.sgml b/doc/src/sgml/release-8.4.sgml
index 45972c23959..0bff9e6ebc7 100644
--- a/doc/src/sgml/release-8.4.sgml
+++ b/doc/src/sgml/release-8.4.sgml
@@ -23,8 +23,8 @@
    </para>
 
    <para>
-    Also, if you are upgrading from a version earlier than 8.4.10,
-    see the release notes for 8.4.10.
+    However, if you are upgrading from a version earlier than 8.4.17,
+    see the release notes for 8.4.17.
    </para>
 
   </sect2>
@@ -36,12 +36,13 @@
 
     <listitem>
      <para>
-      Prevent downcasing of non-ASCII non-double-quoted identifiers in
-      multi-byte encodings (Andrew Dunstan)
+      Prevent corruption of multi-byte characters when attempting to
+      case-fold identifiers (Andrew Dunstan)
      </para>
 
      <para>
-      The previous behavior was wrong and confusing.
+      <productname>PostgreSQL</> case-folds non-ASCII characters only
+      when using a single-byte server encoding.
      </para>
     </listitem>
 
@@ -61,7 +62,7 @@
 
     <listitem>
      <para>
-      Fix libpq SSL deadlock bug (Stephen Frost)
+      Fix deadlock bug in libpq when using SSL (Stephen Frost)
      </para>
     </listitem>
 
@@ -85,21 +86,24 @@
      </para>
 
      <para>
-      Previously such push downs could generate errors.
+      Subqueries of a <literal>UNION</> or <literal>INTERSECT</> that
+      contain set-returning functions or volatile functions in their
+      <literal>SELECT</> lists could be improperly optimized, leading to
+      run-time errors or incorrect query results.
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix rare <literal>GROUP BY</> query error caused by improperly
-      processed data type modifiers (Tom Lane)
+      Fix rare case of <quote>failed to locate grouping columns</>
+      planner failure (Tom Lane)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Allow view dump code to better handle dropped columns on base tables
-      (Tom Lane)
+      Improve view dumping code's handling of dropped columns in referenced
+      tables (Tom Lane)
      </para>
     </listitem>
 
@@ -164,12 +168,16 @@
 
     <listitem>
      <para>
-      Allow various spellings of infinity on all platforms (Tom Lane)
+      Ensure that floating-point data input accepts standard spellings
+      of <quote>infinity</> on all platforms (Tom Lane)
      </para>
 
      <para>
-      Supported infinity values are "inf", "+inf", "-inf", "infinity",
-      "+infinity", and "-infinity".
+      The C99 standard says that allowable spellings are <literal>inf</>,
+      <literal>+inf</>, <literal>-inf</>, <literal>infinity</>,
+      <literal>+infinity</>, and <literal>-infinity</>.  Make sure we
+      recognize these even if the platform's <function>strtod</> function
+      doesn't.
      </para>
     </listitem>
 
@@ -183,9 +191,8 @@
     <listitem>
      <para>
       Update time zone data files to <application>tzdata</> release 2013d
-      for DST law changes in DST law changes in Israel, Morocco, Palestine,
-      Paraguay.  Also, historical zone data corrections for Macquarie Island
-      (Tom Lane)
+      for DST law changes in Israel, Morocco, Palestine, and Paraguay.
+      Also, historical zone data corrections for Macquarie Island.
      </para>
     </listitem>
 
diff --git a/doc/src/sgml/release-9.0.sgml b/doc/src/sgml/release-9.0.sgml
index fdd6baafb52..ca1d7d8c70e 100644
--- a/doc/src/sgml/release-9.0.sgml
+++ b/doc/src/sgml/release-9.0.sgml
@@ -23,8 +23,8 @@
    </para>
 
    <para>
-    Also, if you are upgrading from a version earlier than 9.0.6,
-    see the release notes for 9.0.6.
+    However, if you are upgrading from a version earlier than 9.0.13,
+    see the release notes for 9.0.13.
    </para>
 
   </sect2>
@@ -36,12 +36,13 @@
 
     <listitem>
      <para>
-      Prevent downcasing of non-ASCII non-double-quoted identifiers in
-      multi-byte encodings (Andrew Dunstan)
+      Prevent corruption of multi-byte characters when attempting to
+      case-fold identifiers (Andrew Dunstan)
      </para>
 
      <para>
-      The previous behavior was wrong and confusing.
+      <productname>PostgreSQL</> case-folds non-ASCII characters only
+      when using a single-byte server encoding.
      </para>
     </listitem>
 
@@ -68,13 +69,13 @@
 
     <listitem>
      <para>
-      Fix libpq SSL deadlock bug (Stephen Frost)
+      Fix deadlock bug in libpq when using SSL (Stephen Frost)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix possible SSL network stack corruption in threaded libpq applications
+      Fix possible SSL state corruption in threaded libpq applications
       (Nick Phillips, Stephen Frost)
      </para>
     </listitem>
@@ -99,21 +100,24 @@
      </para>
 
      <para>
-      Previously such push downs could generate errors.
+      Subqueries of a <literal>UNION</> or <literal>INTERSECT</> that
+      contain set-returning functions or volatile functions in their
+      <literal>SELECT</> lists could be improperly optimized, leading to
+      run-time errors or incorrect query results.
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix rare <literal>GROUP BY</> query error caused by improperly
-      processed data type modifiers (Tom Lane)
+      Fix rare case of <quote>failed to locate grouping columns</>
+      planner failure (Tom Lane)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Allow view dump code to better handle dropped columns on base tables
-      (Tom Lane)
+      Improve view dumping code's handling of dropped columns in referenced
+      tables (Tom Lane)
      </para>
     </listitem>
 
@@ -193,8 +197,9 @@
      <para>
       Specifically, lessen keyword restrictions for role names, language
       names, <command>EXPLAIN</> and <command>COPY</> options, and
-      <command>SET</> values.  This allows <literal>COPY ...  (FORMAT
-      BINARY)</> previously <literal>BINARY</> required single-quotes.
+      <command>SET</> values.  This allows <literal>COPY ... (FORMAT
+      BINARY)</> to work as expected; previously <literal>BINARY</> needed
+      to be quoted.
      </para>
     </listitem>
 
@@ -214,8 +219,9 @@
 
     <listitem>
      <para>
-      Improve analyze statistics generation after a cancelled file truncate
-      request (Kevin Grittner)
+      Ensure that <command>VACUUM ANALYZE</> still runs the ANALYZE phase
+      if its attempt to truncate the file is cancelled due to lock conflicts
+      (Kevin Grittner)
      </para>
     </listitem>
 
@@ -228,12 +234,16 @@
 
     <listitem>
      <para>
-      Allow various spellings of infinity on all platforms (Tom Lane)
+      Ensure that floating-point data input accepts standard spellings
+      of <quote>infinity</> on all platforms (Tom Lane)
      </para>
 
      <para>
-      Supported infinity values are "inf", "+inf", "-inf", "infinity",
-      "+infinity", and "-infinity".
+      The C99 standard says that allowable spellings are <literal>inf</>,
+      <literal>+inf</>, <literal>-inf</>, <literal>infinity</>,
+      <literal>+infinity</>, and <literal>-infinity</>.  Make sure we
+      recognize these even if the platform's <function>strtod</> function
+      doesn't.
      </para>
     </listitem>
 
@@ -247,9 +257,8 @@
     <listitem>
      <para>
       Update time zone data files to <application>tzdata</> release 2013d
-      for DST law changes in DST law changes in Israel, Morocco, Palestine,
-      Paraguay.  Also, historical zone data corrections for Macquarie Island
-      (Tom Lane)
+      for DST law changes in Israel, Morocco, Palestine, and Paraguay.
+      Also, historical zone data corrections for Macquarie Island.
      </para>
     </listitem>
 
diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
index 20eff0b2921..577b9b852e6 100644
--- a/doc/src/sgml/release-9.1.sgml
+++ b/doc/src/sgml/release-9.1.sgml
@@ -23,8 +23,8 @@
    </para>
 
    <para>
-    Also, if you are upgrading from a version earlier than 9.1.6,
-    see the release notes for 9.1.6.
+    However, if you are upgrading from a version earlier than 9.1.9,
+    see the release notes for 9.1.9.
    </para>
 
   </sect2>
@@ -36,12 +36,13 @@
 
     <listitem>
      <para>
-      Prevent downcasing of non-ASCII non-double-quoted identifiers in
-      multi-byte encodings (Andrew Dunstan)
+      Prevent corruption of multi-byte characters when attempting to
+      case-fold identifiers (Andrew Dunstan)
      </para>
 
      <para>
-      The previous behavior was wrong and confusing.
+      <productname>PostgreSQL</> case-folds non-ASCII characters only
+      when using a single-byte server encoding.
      </para>
     </listitem>
 
@@ -74,13 +75,13 @@
 
     <listitem>
      <para>
-      Fix libpq SSL deadlock bug (Stephen Frost)
+      Fix deadlock bug in libpq when using SSL (Stephen Frost)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix possible SSL network stack corruption in threaded libpq applications
+      Fix possible SSL state corruption in threaded libpq applications
       (Nick Phillips, Stephen Frost)
      </para>
     </listitem>
@@ -105,14 +106,17 @@
      </para>
 
      <para>
-      Previously such push downs could generate errors.
+      Subqueries of a <literal>UNION</> or <literal>INTERSECT</> that
+      contain set-returning functions or volatile functions in their
+      <literal>SELECT</> lists could be improperly optimized, leading to
+      run-time errors or incorrect query results.
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix rare <literal>GROUP BY</> query error caused by improperly
-      processed data type modifiers (Tom Lane)
+      Fix rare case of <quote>failed to locate grouping columns</>
+      planner failure (Tom Lane)
      </para>
     </listitem>
 
@@ -142,8 +146,8 @@
 
     <listitem>
      <para>
-      Allow view dump code to better handle dropped columns on base tables
-      (Tom Lane)
+      Improve view dumping code's handling of dropped columns in referenced
+      tables (Tom Lane)
      </para>
     </listitem>
 
@@ -254,8 +258,9 @@
      <para>
       Specifically, lessen keyword restrictions for role names, language
       names, <command>EXPLAIN</> and <command>COPY</> options, and
-      <command>SET</> values.  This allows <literal>COPY ...  (FORMAT
-      BINARY)</> previously <literal>BINARY</> required single-quotes.
+      <command>SET</> values.  This allows <literal>COPY ... (FORMAT
+      BINARY)</> to work as expected; previously <literal>BINARY</> needed
+      to be quoted.
      </para>
     </listitem>
 
@@ -268,7 +273,7 @@
 
     <listitem>
      <para>
-      Have <application>pg_upgrade</> use <command>pg_dump
+      Make <application>pg_upgrade</> use <literal>pg_dump
       --quote-all-identifiers</> to avoid problems with keyword changes
       between releases (Tom Lane)
      </para>
@@ -283,8 +288,9 @@
 
     <listitem>
      <para>
-      Improve analyze statistics generation after a cancelled file truncate
-      request (Kevin Grittner)
+      Ensure that <command>VACUUM ANALYZE</> still runs the ANALYZE phase
+      if its attempt to truncate the file is cancelled due to lock conflicts
+      (Kevin Grittner)
      </para>
     </listitem>
 
@@ -297,12 +303,16 @@
 
     <listitem>
      <para>
-      Allow various spellings of infinity on all platforms (Tom Lane)
+      Ensure that floating-point data input accepts standard spellings
+      of <quote>infinity</> on all platforms (Tom Lane)
      </para>
 
      <para>
-      Supported infinity values are "inf", "+inf", "-inf", "infinity",
-      "+infinity", and "-infinity".
+      The C99 standard says that allowable spellings are <literal>inf</>,
+      <literal>+inf</>, <literal>-inf</>, <literal>infinity</>,
+      <literal>+infinity</>, and <literal>-infinity</>.  Make sure we
+      recognize these even if the platform's <function>strtod</> function
+      doesn't.
      </para>
     </listitem>
 
@@ -316,9 +326,8 @@
     <listitem>
      <para>
       Update time zone data files to <application>tzdata</> release 2013d
-      for DST law changes in DST law changes in Israel, Morocco, Palestine,
-      Paraguay.  Also, historical zone data corrections for Macquarie Island
-      (Tom Lane)
+      for DST law changes in Israel, Morocco, Palestine, and Paraguay.
+      Also, historical zone data corrections for Macquarie Island.
      </para>
     </listitem>
 
diff --git a/doc/src/sgml/release-9.2.sgml b/doc/src/sgml/release-9.2.sgml
index 07968f0d38c..034e580ded6 100644
--- a/doc/src/sgml/release-9.2.sgml
+++ b/doc/src/sgml/release-9.2.sgml
@@ -23,8 +23,8 @@
    </para>
 
    <para>
-    Also, if you are upgrading from a version earlier than 9.2.2,
-    see the release notes for 9.2.2.
+    However, if you are upgrading from a version earlier than 9.2.4,
+    see the release notes for 9.2.4.
    </para>
 
   </sect2>
@@ -36,18 +36,20 @@
 
     <listitem>
      <para>
-      Prevent downcasing of non-ASCII non-double-quoted identifiers in
-      multi-byte encodings (Andrew Dunstan)
+      Prevent corruption of multi-byte characters when attempting to
+      case-fold identifiers (Andrew Dunstan)
      </para>
 
      <para>
-      The previous behavior was wrong and confusing.
+      <productname>PostgreSQL</> case-folds non-ASCII characters only
+      when using a single-byte server encoding.
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix memory leak when creating range indexes (Heikki Linnakangas)
+      Fix memory leak when creating B-tree indexes on range columns
+      (Heikki Linnakangas)
      </para>
     </listitem>
 
@@ -80,13 +82,13 @@
 
     <listitem>
      <para>
-      Fix libpq SSL deadlock bug (Stephen Frost)
+      Fix deadlock bug in libpq when using SSL (Stephen Frost)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix possible SSL network stack corruption in threaded libpq applications
+      Fix possible SSL state corruption in threaded libpq applications
       (Nick Phillips, Stephen Frost)
      </para>
     </listitem>
@@ -117,13 +119,13 @@
 
     <listitem>
      <para>
-      Fix <literal>UNION ALL</> and inheritance queries to properly
-      recheck parameterized paths (Tom Lane)
+      Fix accounting for qualifier evaluation costs in <literal>UNION ALL</>
+      and inheritance queries (Tom Lane)
      </para>
 
      <para>
-      This fixes cases where suboptimal query plans could potentially be
-      chosen.
+      This fixes cases where suboptimal query plans could be chosen if
+      some <literal>WHERE</> clauses are expensive to calculate.
      </para>
     </listitem>
 
@@ -134,14 +136,17 @@
      </para>
 
      <para>
-      Previously such push downs could generate errors.
+      Subqueries of a <literal>UNION</> or <literal>INTERSECT</> that
+      contain set-returning functions or volatile functions in their
+      <literal>SELECT</> lists could be improperly optimized, leading to
+      run-time errors or incorrect query results.
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix rare <literal>GROUP BY</> query error caused by improperly
-      processed data type modifiers (Tom Lane)
+      Fix rare case of <quote>failed to locate grouping columns</>
+      planner failure (Tom Lane)
      </para>
     </listitem>
 
@@ -171,8 +176,8 @@
 
     <listitem>
      <para>
-      Allow view dump code to better handle dropped columns on base tables
-      (Tom Lane)
+      Improve view dumping code's handling of dropped columns in referenced
+      tables (Tom Lane)
      </para>
     </listitem>
 
@@ -303,8 +308,9 @@
      <para>
       Specifically, lessen keyword restrictions for role names, language
       names, <command>EXPLAIN</> and <command>COPY</> options, and
-      <command>SET</> values.  This allows <literal>COPY ...  (FORMAT
-      BINARY)</> previously <literal>BINARY</> required single-quotes.
+      <command>SET</> values.  This allows <literal>COPY ... (FORMAT
+      BINARY)</> to work as expected; previously <literal>BINARY</> needed
+      to be quoted.
      </para>
     </listitem>
 
@@ -324,7 +330,7 @@
 
     <listitem>
      <para>
-      Have <application>pg_upgrade</> use <command>>pg_dump
+      Make <application>pg_upgrade</> use <literal>pg_dump
       --quote-all-identifiers</> to avoid problems with keyword changes
       between releases (Tom Lane)
      </para>
@@ -339,8 +345,9 @@
 
     <listitem>
      <para>
-      Improve analyze statistics generation after a cancelled file truncate
-      request (Kevin Grittner)
+      Ensure that <command>VACUUM ANALYZE</> still runs the ANALYZE phase
+      if its attempt to truncate the file is cancelled due to lock conflicts
+      (Kevin Grittner)
      </para>
     </listitem>
 
@@ -353,12 +360,16 @@
 
     <listitem>
      <para>
-      Allow various spellings of infinity on all platforms (Tom Lane)
+      Ensure that floating-point data input accepts standard spellings
+      of <quote>infinity</> on all platforms (Tom Lane)
      </para>
 
      <para>
-      Supported infinity values are "inf", "+inf", "-inf", "infinity",
-      "+infinity", and "-infinity".
+      The C99 standard says that allowable spellings are <literal>inf</>,
+      <literal>+inf</>, <literal>-inf</>, <literal>infinity</>,
+      <literal>+infinity</>, and <literal>-infinity</>.  Make sure we
+      recognize these even if the platform's <function>strtod</> function
+      doesn't.
      </para>
     </listitem>
 
@@ -392,9 +403,8 @@
     <listitem>
      <para>
       Update time zone data files to <application>tzdata</> release 2013d
-      for DST law changes in DST law changes in Israel, Morocco, Palestine,
-      Paraguay.  Also, historical zone data corrections for Macquarie Island
-      (Tom Lane)
+      for DST law changes in Israel, Morocco, Palestine, and Paraguay.
+      Also, historical zone data corrections for Macquarie Island.
      </para>
     </listitem>
 
diff --git a/doc/src/sgml/release-9.3.sgml b/doc/src/sgml/release-9.3.sgml
index 4a7cac5ceef..27d57bf09a0 100644
--- a/doc/src/sgml/release-9.3.sgml
+++ b/doc/src/sgml/release-9.3.sgml
@@ -22,6 +22,11 @@
     A dump/restore is not required for those running 9.3.X.
    </para>
 
+   <para>
+    However, if you use the <literal>hstore</> extension, see the
+    first changelog entry.
+   </para>
+
   </sect2>
 
   <sect2>
@@ -31,21 +36,33 @@
 
     <listitem>
      <para>
-      Update hstore extension with JSON functionality (Andrew Dunstan)
+      Ensure new-in-9.3 JSON functionality is added to the <literal>hstore</>
+      extension during an update (Andrew Dunstan)
      </para>
 
      <para>
-      Users who installed hstore prior to 9.3.1 must execute:
+      Users who upgraded a pre-9.3 database containing <literal>hstore</>
+      should execute
 <programlisting>
 ALTER EXTENSION hstore UPDATE;
 </programlisting>
-      to add two new JSON functions and a cast.
+      after installing 9.3.1, to add two new JSON functions and a cast.
+      (If <literal>hstore</> is already up to date, this command does
+      nothing.)
      </para>
     </listitem>
 
     <listitem>
      <para>
-      Fix memory leak when creating range indexes (Heikki Linnakangas)
+      Fix memory leak when creating B-tree indexes on range columns
+      (Heikki Linnakangas)
+     </para>
+    </listitem>
+
+    <listitem>
+     <para>
+      Fix memory leak caused by <function>lo_open()</function> failure
+      (Heikki Linnakangas)
      </para>
     </listitem>
 
@@ -57,7 +74,7 @@ ALTER EXTENSION hstore UPDATE;
 
     <listitem>
      <para>
-      Fix libpq SSL deadlock bug (Stephen Frost)
+      Fix deadlock bug in libpq when using SSL (Stephen Frost)
      </para>
     </listitem>