[release-notes] Add "fractal" section

[Link Dupont <link src gnome org>]

commit d6fa1ce86a1fdef9d1e333228b08cec05eae47f4
Author: Link Dupont <link sub-pop net>
Date:   Tue Sep 8 10:48:06 2020 -0400

    Add "fractal" section

 help/C/index.page | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 3f971f1a..20968790 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -162,7 +162,13 @@
       improvements in the Tracker 3 search engine and database make the Flatpak
       application sandbox more secure by allowing control over what kinds of
       data your apps can search and query.</p></item>
-      <item><p>XXX fractal</p></item>
+      <item><p><app>Fractal</app> has improved video playback in the message
+      history. Previews of videos are now shown directly message, and clicking
+      on a video will open it in a larger viewer. Audio files are now seekable
+      in the improvde audio file player. The message history has been improved
+      too. Edited messages are now edited in place, with an icon to indicate the
+      edited status, while redacted messages are now deleted from the message
+      history entirely.</p></item>
     </list>
   </section>