Following issues have been resolved for the new connection feature:

1. Show servers with server groups in the dropdown.
  2. Highlighted current selected connection in the new connection dropdown.
  3. Notify the user before changing the connection.

refs #3794

web/pgadmin/tools/debugger/__init__.py

@@ -98,6 +98,18 @@ class DebuggerModule(PgAdminModule):
             )
         )
 
+        self.tab_title = self.preference.register(
+            'display', 'debugger_tab_title_placeholder',
+            gettext("Debugger tab title placeholder"),
+            'text', '%FUNCTION%/%SCHEMA%/%DATABASE%',
+            category_label=PREF_LABEL_DISPLAY,
+            help_str=gettext(
+                'Supported placeholders: FUNCTION, SCHEMA and DATABASE. '
+                'You can also provide any string with or '
+                'without placeholders'
+            )
+        )
+
         self.preference.register(
             'keyboard_shortcuts', 'btn_start',
             gettext('Accesskey (Continue/Start)'), 'keyboardshortcut',