All (GUI):
+- Added wxTreeListCtrl class.
- Added documented, public wxNavigationEnabled<> class.
- Added wxTextCtrl::PositionToCoords() (Navaneeth).
- Added support for wxHELP button to wxMessageDialog.
- Added wxBannerWindow class.
+- Added wxTextEntry::AutoCompleteDirectories().
- Support float, double and file name values in wxGenericValidator (troelsk).
- Fix keyboard navigation in wxGrid with hidden columns (ivan_14_32).
- Add wxDataViewEvent::IsEditCancelled() (Allonii).
- Fix stock labels when not using mnemonics for Chinese (cw.ahbong).
- Added wxComboBox::IsListEmpty() and IsTextEmpty().
- Added wxDataViewCtrl::GetSelectedItemsCount() and HasSelection().
+- Added wxFLP_SMALL and wxDIRP_SMALL styles.
+- Added support for saving alpha with TIFF images.
+- Added wxPersistentSplitter.
+- Added wxWebView library (Steven Lamerton & Auria, GSoC 2011 project).
OSX:
GTK:
- Generate events for two auxiliary mouse buttons in wxGTK (Marcin Wojdyr).
+- Fix conflict between wxDIALOG_NO_PARENT and wxICON_EXCLAMATION (David Hart).
MSW: