[fractal/relnotes-4-2-3] Update release notes for 4.2.3

[Alexandre Franke <afranke src gnome org>]

commit aebe1c67f7b54e4c3deb15cfb0975e32d7c6b109
Author: Alexandre Franke <afranke gnome org>
Date:   Sun Feb 2 22:42:36 2020 +0100

    Update release notes for 4.2.3

 fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
---
diff --git a/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in 
b/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
index 66298fcc..8e6b8c8f 100644
--- a/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
+++ b/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
@@ -18,6 +18,26 @@
     </screenshot>
   </screenshots>
   <releases>
+    <release version="4.2.3" type="stable" date="2020-02-08" urgency="medium">
+      <description>
+        <p>This new minor release is the result of 2 months of hard work.</p>
+        <p>New features:</p>
+        <ul>
+          <li>Videos now have a preview directly in history</li>
+          <li>Redacted messages are removed from history</li>
+          <li>Translations have been updated</li>
+          <li>Spellcheck language is saved per room</li>
+        </ul>
+        <p>Bugfixes:</p>
+        <ul>
+          <li>Thumbnail for pasted images have been fixed.</li>
+        </ul>
+        <p>Under the hood:</p>
+        <ul>
+          <li>Code refactor is still going</li>
+        </ul>
+      </description>
+    </release>
     <release version="4.2.2" type="stable" date="2019-11-27" urgency="high">
       <description>
         <p>This new minor release is the result of 2 months of hard work.</p>