CKEditor 4.5.10 发布了，该版本主要是 bug 的修复，详细列表如下：
#10750: Fixed: The editor does not escape the
font-style family property correctly, removing quotes and whitespace from font names.
#14539: Fixed: JAWS reads "selected Blank" instead of "selected " when selecting a widget.
#14667: [IE] Fixed: Removing background color from selected text removes background color from the whole paragraph.
#14252: [IE] Fixed: Styles drop-down list does not always reflect the current style of the text line.
#14275: [IE9+] Fixed:
onload events are not used in browsers it could have been used when loading scripts dynamically.