diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index 0c749460ad..46c4999112 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -41,6 +41,32 @@
       </itemizedlist>
     </listitem>
 -->
+   <listitem>
+      <para>May 28th, 2018</para>
+      <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Update to qt-everywhere-src-5.11.0.  Fixes
+          <ulink url="&blfs-ticket-root;10805">#10805</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to postfix-3.3.1.  Fixes
+          <ulink url="&blfs-ticket-root;10799">#10799</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to thunderbird-52.8.0.  Fixes
+          <ulink url="&blfs-ticket-root;10793">#10793</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to postgresql-10.4.  Fixes
+          <ulink url="&blfs-ticket-root;10765">#10765</ulink>.</para>
+        </listitem>
+        <listitem>
+          <para>[bdubbs] - Update to seamonkey-2.49.3.  Fixes
+          <ulink url="&blfs-ticket-root;10733">#10733</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
    <listitem>
       <para>May 27th, 2018</para>
       <itemizedlist>
diff --git a/packages.ent b/packages.ent
index 099617cc3c..14d2d603b6 100644
--- a/packages.ent
+++ b/packages.ent
@@ -507,14 +507,14 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY dovecot-version              "&dovecot-major;.&dovecot-minor;.&dovecot-micro;">
 
 <!ENTITY exim-version                 "4.91">
-<!ENTITY postfix-version              "3.3.0">
+<!ENTITY postfix-version              "3.3.1">
 <!ENTITY sendmail-version             "8.15.2">
 
 <!-- Chapter 22 -->
 <!ENTITY db-version                   "6.2.32">
 <!ENTITY lmdb-version                 "0.9.22">
 <!ENTITY mariadb-version              "10.3.7">
-<!ENTITY postgresql-version           "10.3">
+<!ENTITY postgresql-version           "10.4">
 <!ENTITY sqlite-version               "3.23.1">
 
 <!-- Chapter 23 -->
@@ -582,7 +582,7 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY libxklavier-version          "5.4">
 <!ENTITY pango-version                "1.42.1">
 <!ENTITY pangomm-version              "2.40.1">
-<!ENTITY qt5-version                  "5.10.1">
+<!ENTITY qt5-version                  "5.11.0">
 <!ENTITY qtwebengine-version          "5.10.1">
 <!ENTITY qtwebkit-version             "5.9.0">
 <!ENTITY qscintilla-version           "2.10.4">
@@ -737,7 +737,7 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY firefox-version              "60.0.1">
 <!ENTITY flashplayer-version          "27.0.0.187">
 <!ENTITY qupzilla-version             "2.2.6">
-<!ENTITY seamonkey-version            "2.49.2">
+<!ENTITY seamonkey-version            "2.49.3">
 
 <!-- Chapter 44 -->
 <!ENTITY balsa-version                "2.5.5">
@@ -755,7 +755,7 @@ to avoid building libxml2 twice, which is slow with all deps -->
 <!ENTITY pidgin-version               "2.13.0">
 <!ENTITY rox-filer-version            "2.11">
 <!ENTITY rxvt-unicode-version         "9.22">
-<!ENTITY thunderbird-version          "52.7.0">
+<!ENTITY thunderbird-version          "52.8.0">
 <!ENTITY tigervnc-version             "1.8.0">
 <!ENTITY transmission-version         "2.93">
 <!ENTITY xarchiver-version            "0.5.4">
diff --git a/server/databases/postgresql.xml b/server/databases/postgresql.xml
index 864c199f2e..ef5fce2e47 100644
--- a/server/databases/postgresql.xml
+++ b/server/databases/postgresql.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY postgresql-download-http "http://ftp.postgresql.org/pub/source/v&postgresql-version;/postgresql-&postgresql-version;.tar.bz2">
   <!ENTITY postgresql-download-ftp  "ftp://ftp.postgresql.org/pub/source/v&postgresql-version;/postgresql-&postgresql-version;.tar.bz2">
-  <!ENTITY postgresql-md5sum        "506498796a314c549388cafb3d5c717a">
+  <!ENTITY postgresql-md5sum        "8e8770c289b3e0bdb779b5b171593479">
   <!ENTITY postgresql-size          "19 MB">
-  <!ENTITY postgresql-buildsize     "177 MB (add 32 MB for tests)">
-  <!ENTITY postgresql-time          "0.6 SBU (with parallelism=4, add 0.1 SBU for tests)">
+  <!ENTITY postgresql-buildsize     "178 MB (add 33 MB for tests)">
+  <!ENTITY postgresql-time          "0.7 SBU (with parallelism=4, add 0.1 SBU for tests)">
 ]>
 
 <sect1 id="postgresql" xreflabel="PostgreSQL-&postgresql-version;">
@@ -97,6 +97,11 @@
 useradd -c "PostgreSQL Server" -g postgres -d /srv/pgsql/data \
         -u 41 postgres</userinput></screen>
 
+    <note><para>There are several configuration items that add additional
+    functionality with optional packages to
+    <application>PostgreSQL</application>.  Use <userinput>./configure
+    --help</userinput> to see a list.</para></note>
+
     <para>Install <application>PostgreSQL</application> with the
     following commands: </para>
 
diff --git a/server/mail/postfix.xml b/server/mail/postfix.xml
index d9bf83e076..04ae91b6dc 100644
--- a/server/mail/postfix.xml
+++ b/server/mail/postfix.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY postfix-download-http " ">
   <!ENTITY postfix-download-ftp  "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-&postfix-version;.tar.gz">
-  <!ENTITY postfix-md5sum        "26529f3fdb668482176355e90a546a11">
+  <!ENTITY postfix-md5sum        "4381c6492f415e4a69cf5099d4acea76">
   <!ENTITY postfix-size          "4.2 MB">
-  <!ENTITY postfix-buildsize     "182 MB">
-  <!ENTITY postfix-time          "0.5 SBU">
+  <!ENTITY postfix-buildsize     "186 MB">
+  <!ENTITY postfix-time          "0.4 SBU">
 ]>
 
 <sect1 id="postfix" xreflabel="Postfix-&postfix-version;">
diff --git a/x/lib/qt5.xml b/x/lib/qt5.xml
index 87070356db..81e2b3c44d 100644
--- a/x/lib/qt5.xml
+++ b/x/lib/qt5.xml
@@ -9,10 +9,10 @@
 
   <!ENTITY qt5-download-http "&qt5-url;/qt-everywhere-src-&qt5-version;.tar.xz">
   <!ENTITY qt5-download-ftp  " ">
-  <!ENTITY qt5-md5sum        "7e167b9617e7bd64012daaacb85477af">
-  <!ENTITY qt5-size          "391 MB">
-  <!ENTITY qt5-buildsize     "10.1 GB (238 MB installed)">
-  <!ENTITY qt5-time          "30 SBU (using parallelism=4)">
+  <!ENTITY qt5-md5sum        "68b7c9dd5c5df84b5c82730474c4c1f3">
+  <!ENTITY qt5-size          "466 MB">
+  <!ENTITY qt5-buildsize     "10.4 GB (235 MB installed)">
+  <!ENTITY qt5-time          "48 SBU (using parallelism=4)">
 ]>
 
 <sect1 id="qt5" xreflabel="Qt-&qt5-version;">
diff --git a/xsoft/graphweb/seamonkey.xml b/xsoft/graphweb/seamonkey.xml
index d2c61aaa08..076d7e3d64 100644
--- a/xsoft/graphweb/seamonkey.xml
+++ b/xsoft/graphweb/seamonkey.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY seamonkey-download-http "&mozilla-http;/seamonkey/releases/&seamonkey-version;/source/seamonkey-&seamonkey-version;.source.tar.xz">
   <!ENTITY seamonkey-download-ftp " ">
-  <!ENTITY seamonkey-md5sum        "6390fa5e220aedfdfb4bd5005352280c">
-  <!ENTITY seamonkey-size          "219 MB">
-  <!ENTITY seamonkey-buildsize     "4.6 GB (260 MB installed with devel env)">
-  <!ENTITY seamonkey-time          "19 SBU (using parallelism=4)">
+  <!ENTITY seamonkey-md5sum        "fd78581a98828f08ab08b82a3e9b0cf1">
+  <!ENTITY seamonkey-size          "221 MB">
+  <!ENTITY seamonkey-buildsize     "1.7 GB (113 MB installed)">
+  <!ENTITY seamonkey-time          "16 SBU (using parallelism=4)">
 ]>
 
 <sect1 id="seamonkey" xreflabel="SeaMonkey-&seamonkey-version;">
diff --git a/xsoft/other/thunderbird.xml b/xsoft/other/thunderbird.xml
index 66cb83d932..89462c92d5 100644
--- a/xsoft/other/thunderbird.xml
+++ b/xsoft/other/thunderbird.xml
@@ -6,10 +6,10 @@
 
   <!ENTITY thunderbird-download-http "&mozilla-http;/thunderbird/releases/&thunderbird-version;/source/thunderbird-&thunderbird-version;.source.tar.xz">
   <!ENTITY thunderbird-download-ftp  " ">
-  <!ENTITY thunderbird-md5sum        "9c44ccd16cfcca4691ab0ce8aebb4236">
+  <!ENTITY thunderbird-md5sum        "9047ed32666de29645b7508624cbe557">
   <!ENTITY thunderbird-size          "220 MB">
-  <!ENTITY thunderbird-buildsize     "4.1 GB (96 MB installed)">
-  <!ENTITY thunderbird-time          "16 SBU (with -j4, estimated 63 SBU with -j1)">
+  <!ENTITY thunderbird-buildsize     "5.4 GB (112 MB installed)">
+  <!ENTITY thunderbird-time          "17 SBU (with -j4, estimated 63 SBU with -j1)">
   <!-- Verified the time at -j1 on another system for posterity's sake. -->
 ]>