Mention other removals

Even though they are not really important, it's probably good to always
mention removals.

wiki/src/news/version_4.0.mdwn

@@ -92,7 +92,7 @@ especially for non-English users:
 - We prevented additional settings to be applied when clicking on
   **Cancel** or **Back**.
 
-## Other performance and usability improvements
+## Performance and usability improvements
 
 - Tails 4.0 starts 20% faster.
 
@@ -113,6 +113,14 @@ especially for non-English users:
 - [[How to backup your persistent
   volume|doc/first_steps/persistence/copy]].
 
+## Other changes
+
+- Use the default bookmarks from *Tor Browser* instead of our own default bookmarks. ([[!tails_ticket 15895]])
+
+- Remove the *Home* launcher from the desktop. ([[!tails_ticket 16799]])
+
+- Remove the default accounts in *Pidgin*. ([[!tails_ticket 16744]])
+
 # Fixed problems
 
 For more details, read our [[!tails_gitweb debian/changelog desc="changelog"]].