Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java	(revision 16120)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java	(revision 16121)
@@ -272,4 +272,5 @@
                 model.getSelectionModel()
         );
+        tblChangesets.setAutoCreateRowSorter(true);
         tblChangesets.addMouseListener(new MouseEventHandler());
         InputMapUtils.addEnterAction(tblChangesets, new ShowDetailAction(model));
Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManagerModel.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManagerModel.java	(revision 16120)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManagerModel.java	(revision 16121)
@@ -130,5 +130,5 @@
     @Override
     public int getColumnCount() {
-        return 5;
+        return 8;
     }
 
Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetContentPanel.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetContentPanel.java	(revision 16120)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetContentPanel.java	(revision 16121)
@@ -123,4 +123,5 @@
                 model.getSelectionModel()
         );
+        tblContent.setAutoCreateRowSorter(true);
         tblContent.addMouseListener(new PopupMenuLauncher(new ChangesetContentTablePopupMenu()));
         pnl.add(new JScrollPane(tblContent), BorderLayout.CENTER);
Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetDiscussionPanel.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetDiscussionPanel.java	(revision 16120)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetDiscussionPanel.java	(revision 16121)
@@ -117,4 +117,5 @@
         JPanel pnl = new JPanel(new BorderLayout());
         table = new JTable(model, new ChangesetDiscussionTableColumnModel());
+        table.setAutoCreateRowSorter(true);
         table.getColumnModel().getColumn(2).addPropertyChangeListener(evt -> {
             if ("width".equals(evt.getPropertyName())) {