[gnome-software/gnome-40] Release version 40.3

[Phaedrus Leeds <mwleeds src gnome org>]

commit 615f7dbd2f5eaf98c392f5ec0ee050a65d924ed6
Author: Phaedrus Leeds <mwleeds protonmail com>
Date:   Fri Jul 9 15:02:39 2021 -0700

    Release version 40.3

 NEWS                                           | 17 +++++++++++++++++
 data/appdata/org.gnome.Software.appdata.xml.in | 21 +++++++++++++++++++++
 2 files changed, 38 insertions(+)
---
diff --git a/NEWS b/NEWS
index 181f9bd70..d2df18dbe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+Version 40.3
+~~~~~~~~~~~~
+Released: 2021-07-09
+
+This is a stable release with the following changes:
+ * Fix a bug where app sources appeared in the header of the Updates tab
+ * Automatically install application updates, depending on the type of application and user config
+ * Avoid extra vertical space in the featured apps carousel
+ * Include apps from disabled repos in Shell Overview search results
+ * Distinguish between download size and installed size for PackageKit apps
+ * Properly update the "Last checked" timestamp on the Updates tab
+ * Fix a crash that sometimes happens when clicking on the Website button on a details page
+ * Fix a bug where the list of sources for an application was sometimes incomplete
+
+Translation updates:
+ * Belarusian
+
 Version 40.2
 ~~~~~~~~~~~~
 Released: 2021-06-04
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index fe22a3437..23f7e3eb9 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -46,6 +46,27 @@
    Validate with `appstreamcli validate *.appdata.xml`
   -->
   <releases>
+    <release date="2021-07-09" version="40.3">
+      <description>
+        <p>
+          This is a stable release with the following changes:
+        </p>
+        <ul>
+          <li>Fix a bug where app sources appeared in the header of the Updates tab</li>
+          <li>Automatically install application updates, depending on the type of application and user 
config</li>
+          <li>Avoid extra vertical space in the featured apps carousel</li>
+          <li>Include apps from disabled repos in Shell Overview search results</li>
+          <li>Distinguish between download size and installed size for PackageKit apps</li>
+          <li>Properly update the "Last checked" timestamp on the Updates tab</li>
+          <li>Fix a crash that sometimes happens when clicking on the Website button on a details page</li>
+          <li>Fix a bug where the list of sources for an application was sometimes incomplete</li>
+        </ul>
+        <p>Translation updates:</p>
+        <ul>
+          <li>Belarusian</li>
+        </ul>
+      </description>
+    </release>
     <release date="2021-06-04" version="40.2">
       <description>
         <p>