+wxMSW:
+
+- Added "orient" parameter to wxMDIParentFrame::Tile()
+- wxTextCtrl with wxTE_RICH2 style now uses RichEdit 4.1 if available
+- fix handling Alt-key events in wxComboBox (reported by Joakim Roubert)
+- wxWindow::Refresh() refreshes the window children as well
+