Index: app/controllers/news_controller.rb
===================================================================
--- app/controllers/news_controller.rb	(revision 3892)
+++ app/controllers/news_controller.rb	(working copy)
@@ -26,9 +26,10 @@
   accept_key_auth :index
   
   def index
+    @with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')
     @news_pages, @newss = paginate :news,
                                    :per_page => 10,
-                                   :conditions => Project.allowed_to_condition(User.current, :view_news, :project => @project),
+                                   :conditions => Project.allowed_to_condition(User.current, :view_news, :project => @project, :with_subprojects => @with_subprojects),
                                    :include => [:author, :project],
                                    :order => "#{News.table_name}.created_on DESC"    
     respond_to do |format|
Index: app/views/news/index.rhtml
===================================================================
--- app/views/news/index.rhtml	(revision 3892)
+++ app/views/news/index.rhtml	(working copy)
@@ -43,6 +43,17 @@
 	<%= f.link_to 'Atom', :url => {:project_id => @project, :key => User.current.rss_key} %>
 <% end %>
 
+<% content_for :sidebar do %>
+  <% form_tag({:project_id => @project}, :method => :get) do %>
+    <h3><%= l(:label_news) %></h3>
+    <% if @project.descendants.active.any? %>
+      <%= hidden_field_tag 'with_subprojects', 0 %>
+      <br /><label><%= check_box_tag 'with_subprojects', 1, @with_subprojects %> <%=l(:label_subproject_plural)%></label>
+    <% end %>
+    <p><%= submit_tag l(:button_apply), :class => 'button-small', :name => nil %></p>
+  <% end %>
+<% end if @project %>
+
 <% content_for :header_tags do %>
   <%= auto_discovery_link_tag(:atom, params.merge({:format => 'atom', :page => nil, :key => User.current.rss_key})) %>
 <% end %>