[gnome-software] Release version 40.0

[Richard Hughes <rhughes src gnome org>]

commit d5ef8eff7bc83f8e74e057fec0f3420108f573c8
Author: Richard Hughes <richard hughsie com>
Date:   Fri Mar 19 16:31:44 2021 +0000

    Release version 40.0

 NEWS                                           | 20 ++++++++++++++++++++
 data/appdata/org.gnome.Software.appdata.xml.in | 24 ++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
---
diff --git a/NEWS b/NEWS
index 35ef1e59e..2c4a4a1a1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,23 @@
+Version 40
+~~~~~~~~~~
+Released: 2021-03-19
+
+This is a stable release with the following changes:
+ * Fix handling of invalid or incomplete application icons
+ * Fix the plugin documentation to reflect reality
+ * Fix the Snap plugin to actually load icons
+ * Set download size to 0 after the package is downloaded
+
+Translation updates:
+ * British English
+ * Danish
+ * Greek
+ * Italian
+ * Norwegian Bokmål
+ * Polish
+ * Punjabi
+ * Serbian
+
 Version 40.rc
 ~~~~~~~~~~~~~
 Released: 2021-03-12
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index c925fb2ad..b3c851273 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -46,6 +46,30 @@
    Validate with `appstreamcli validate *.appdata.xml`
   -->
   <releases>
+    <release date="2021-03-19" version="40">
+      <description>
+        <p>
+          This is a stable release with the following changes:
+        </p>
+        <ul>
+          <li>Fix handling of invalid or incomplete application icons</li>
+          <li>Fix the plugin documentation to reflect reality</li>
+          <li>Fix the Snap plugin to actually load icons</li>
+          <li>Set download size to 0 after the package is downloaded</li>
+        </ul>
+        <p>Translation updates:</p>
+        <ul>
+          <li>British English</li>
+          <li>Danish</li>
+          <li>Greek</li>
+          <li>Italian</li>
+          <li>Norwegian Bokmål</li>
+          <li>Polish</li>
+          <li>Punjabi</li>
+          <li>Serbian</li>
+        </ul>
+      </description>
+    </release>
     <release date="2021-03-12" version="40.rc">
       <description>
         <p>