Index: lib/tasks/migrate_from_trac.rake
===================================================================
--- lib/tasks/migrate_from_trac.rake	(revision 4802)
+++ lib/tasks/migrate_from_trac.rake	(working copy)
@@ -487,6 +487,7 @@
               status_change = changeset.select {|change| change.field == 'status'}.first
               resolution_change = changeset.select {|change| change.field == 'resolution'}.first
               comment_change = changeset.select {|change| change.field == 'comment'}.first
+              owner_change = changeset.select {|change| change.field == 'owner'}.first
 
               n = Journal.new :notes => (comment_change ? convert_wiki_text(encode(comment_change.newvalue)) : ''),
                               :created_on => time
@@ -507,6 +508,12 @@
                                                :old_value => resolution_change.oldvalue,
                                                :value => resolution_change.newvalue)
               end
+              if owner_change
+                n.details << JournalDetail.new(:property => 'attr',
+                                               :prop_key => 'assigned_to_id',
+                                               :old_value => find_or_create_user(owner_change.oldvalue),
+                                               :value => find_or_create_user(owner_change.newvalue))
+              end
               n.save unless n.details.empty? && n.notes.blank?
           end