[gnome-software] Release version 3.21.4

[Richard Hughes <rhughes src gnome org>]

commit 35c469b70d9d051e9b5280c63e5f57211b72f35c
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jul 18 11:20:22 2016 +0100

    Release version 3.21.4

 RELEASE                                        |    6 ++--
 configure.ac                                   |    2 +-
 data/appdata/org.gnome.Software.appdata.xml.in |   41 ++++++++++++++++++++++-
 3 files changed, 43 insertions(+), 6 deletions(-)
---
diff --git a/RELEASE b/RELEASE
index b2b0bde..4b26491 100644
--- a/RELEASE
+++ b/RELEASE
@@ -2,13 +2,13 @@ GNOME Software Release Notes
 
 1. Write release entries:
 
-git log --format="%s" GNOME_SOFTWARE_3_21_1.. | grep -i -v trivial | grep -v Merge | sort | uniq
+git log --format="%s" GNOME_SOFTWARE_3_21_2.. | grep -i -v trivial | grep -v Merge | sort | uniq
 Add any user visible changes into data/appdata/org.gnome.Software.appdata.xml.in
 
 3. Commit changes in gnome-software git:
 
-git commit -a -m "Release version 3.21.2"
-git tag -s GNOME_SOFTWARE_3_21_2 -m "==== Version 3.21.2 ===="
+git commit -a -m "Release version 3.21.4"
+git tag -s GNOME_SOFTWARE_3_21_4 -m "==== Version 3.21.4 ===="
 <enter password>
 git push --tags
 git push
diff --git a/configure.ac b/configure.ac
index 1662005..d02d877 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Copyright (C) 2010-2015 Richard Hughes <richard hughsie com>
 AC_PREREQ(2.63)
 
-AC_INIT([gnome-software],[3.21.2],[http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-software])
+AC_INIT([gnome-software],[3.21.4],[http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-software])
 AC_CONFIG_SRCDIR(src)
 AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar serial-tests foreign])
 AC_CONFIG_HEADERS([config.h])
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index 68879b5..03fa606 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -30,10 +30,47 @@
    Validate with `appstream-util validate *.appdata.xml`
   -->
   <releases>
+    <release version="3.21.4" date="2016-07-18">
+      <description>
+        <p>
+          This is an unstable release in the 3.21 development series,
+          with the following improvements:
+        </p>
+        <ul>
+          <li>Add a cancel button and progress information to the details page</li>
+          <li>Add a dialog to confirm upgrade removals</li>
+          <li>Add support for authenticating in plugins</li>
+          <li>Add support for snaps</li>
+          <li>Enable gtk-doc generation for documentation</li>
+          <li>Show a new-style category list on the overview page</li>
+          <li>Show origin information when applications are available from multiple sources</li>
+          <li>Show sandboxing information for selected applications</li>
+          <li>Show the star ratings in more places</li>
+          <li>Support installing .flatpakrepo files</li>
+          <li>Support launching applicatins using a appstream:// URL</li>
+        </ul>
+        <p>The following bugs are also fixed:</p>
+        <ul>
+          <li>Allow plugins to be enabled and disabled at runtime</li>
+          <li>Always show the 'MyLanguage' kudo when in en_US locale</li>
+          <li>Correctly trigger systemd offline updates when only processing OS updates</li>
+          <li>Disable app folders feature when run outside GNOME</li>
+          <li>Do not show buttons on the search results</li>
+          <li>Do not use deprecated CSS properties</li>
+          <li>Do not use deprecated fwupd API</li>
+          <li>Ensure reviews are shown in the correct order</li>
+          <li>Fix a crash when double clicking files</li>
+          <li>Fix several UX issues when upgrading</li>
+          <li>Show the 'More Reviews' button in the details panel</li>
+          <li>Try really hard to have two rows of important categories</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
     <release version="3.21.2" date="2016-05-23">
       <description>
         <p>
-          This is an unstable release in the 3.19 development series,
+          This is an unstable release in the 3.21 development series,
           with the following improvements:
         </p>
         <ul>
@@ -60,7 +97,7 @@
     <release version="3.21.1" date="2016-04-25">
       <description>
         <p>
-          This is an unstable release in the 3.19 development series,
+          This is an unstable release in the 3.21 development series,
           with the following improvements:
         </p>
         <ul>