+- Add wxDataViewEvent::IsEditCancelled() (Allonii).
+- Allow marking wxTreeBook nodes to expand initially in XRC (RedTide).
+- Added customizable wxDocManager::OnMRUFileNotExist() virtual method.
+- Fix stock labels when not using mnemonics for Chinese (cw.ahbong).
+- Added wxComboBox::IsListEmpty() and IsTextEmpty().
+- Added wxDataViewCtrl::GetSelectedItemsCount() and HasSelection().