+- Optimize wxGenericTreeCtrl::Collapse/ExpandAllChildren(). (Szczepan Holyszewski)
+- Added <scrollrate> parameter to wxScrolledWindow XRC handler.
+- Added support for automatic dialog scrolling, via the new wxDialogLayoutAdapter
+ class and various new wxDialog functions. See the topic "Automatic Scrolling
+ Dialogs" in the manual for further details.
+- Added support for resizing wxWizard bitmaps to the current page height,
+ via SetBitmapPlacement, SetBitmapBackgroundColour and SetMinimumBitmapWidth.
+ Also made it easier to derive from wxWizard and override behaviour.
+- Added wxWrapSizer
+- Made wxSizer::Fit() set the client size of the target window