Index: app/controllers/issues_controller.rb
===================================================================
--- app/controllers/issues_controller.rb	(revision 3434)
+++ app/controllers/issues_controller.rb	(working copy)
@@ -315,13 +315,14 @@
     @target_project ||= @project    
     @trackers = @target_project.trackers
     @available_statuses = Workflow.available_statuses(@project)
+    call_hook(:controller_issues_edit_before_change, { :params => params, :issue => @issue, :target_project => @target_project})
     if request.post?
       new_tracker = params[:new_tracker_id].blank? ? nil : @target_project.trackers.find_by_id(params[:new_tracker_id])
       unsaved_issue_ids = []
       moved_issues = []
       @issues.each do |issue|
         changed_attributes = {}
-        [:assigned_to_id, :status_id, :start_date, :due_date].each do |valid_attribute|
+        self.updatable_attrs_on_move.each do |valid_attribute|
           unless params[valid_attribute].blank?
             changed_attributes[valid_attribute] = (params[valid_attribute] == 'none' ? nil : params[valid_attribute])
           end 
@@ -571,4 +572,9 @@
     sort_clear
     render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."
   end
+  
+  # Attributes that can be updated on issue move
+  def updatable_attrs_on_move
+    [:assigned_to_id, :status_id, :start_date, :due_date]
+  end
 end
Index: app/views/issues/move.rhtml
===================================================================
--- app/views/issues/move.rhtml	(revision 3434)
+++ app/views/issues/move.rhtml	(working copy)
@@ -42,6 +42,9 @@
   <label><%= l(:field_due_date) %></label>
   <%= text_field_tag 'due_date', '', :size => 10 %><%= calendar_for('due_date') %>
 </p>
+
+<%= call_hook(:view_issues_move_bottom, :issue => @issue) %>
+
 </div>
 
 <% if @copy %>