This release addresses the following issues compared to the latest stable release in this branch (6.x-2.1).
#726536: Save button in toolbar
#705468: Insert View & Insert Block filters tags not preserved when editing saved nodes
#670768: Display path to theme in settings
#224497: Add support for CKFinder to FCKEditor
#775952: Got an E_NOTICE error from fckeditor_process_form()
#768526: Support underscores in content type keys
#1211880: WebFM doesnt want to copy link image
There are no differences between this release and 6.x-2.2-rc1.