Right after the official launch of Safari 7.1 we would like to announce the immediate release of CKEditor 4.4.5 with a fix for a critical issue with the latest Apple browser version. Apart from this, CKEditor 4.4.5 contains a variety of other updates including some further refactoring of the undo manager, a workaround for a Chrome 37 issue, and a few other fixes.
Read more in the release blog post here: http://ckeditor.com/blog/CKEditor-4.4.5-Released