[gnome-software/gnome-3-26] Release version 3.26.3

[Kalev Lember <klember src gnome org>]

commit f38f46c22d7be15f0415925e06c4cc2b94950fbc
Author: Kalev Lember <klember redhat com>
Date:   Tue Nov 21 11:56:14 2017 +0100

    Release version 3.26.3

 NEWS                                           |   10 ++++++++++
 data/appdata/org.gnome.Software.appdata.xml.in |   12 ++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 51cadc4..4641d4c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Version 3.26.3
+~~~~~~~~~~~~~~
+Released: 2017-11-21
+
+This is a stable release with the following changes:
+ * Fix a common crash in the fwupd plugin
+ * Make category translations on the details page show up
+
+This release also updates translations.
+
 Version 3.26.2
 ~~~~~~~~~~~~~~
 Released: 2017-11-09
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index 037240a..0704c37 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -46,6 +46,18 @@
    Validate with `appstream-util validate *.appdata.xml`
   -->
   <releases>
+    <release date="2017-11-21" version="3.26.3">
+      <description>
+        <p>
+          This is a stable release with the following changes:
+        </p>
+        <ul>
+          <li>Fix a common crash in the fwupd plugin</li>
+          <li>Make category translations on the details page show up</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
     <release date="2017-11-09" version="3.26.2">
       <description>
         <p>