CKEditor 4.5.7 发布，该版本更新了本地化支持的翻译，修复了一些 bug，详情包括：
新特性:
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#14327 : Added Swiss German localization.
其他变化:
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#13816 : Introduced a new strategy for Filling Character handling to avoid changes in DOM. This fixes the following issues:
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#12727 : [Blink] IndexSizeError when using the Div Editing Area and Content Templates plugins.
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#13377 : Widget plugin issue when typing in Korean.
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#13389 : [Blink] editor.getData() fails when the cursor is next to an
tag. -
#13513 : [Blink, WebKit] Div Editing Area and editor.getData() throw an error when an image is the only data in the editor.
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#13884 : Fixed: Copy/paste table in Firefox results in just first cell being pasted.
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#14234 : Fixed: URL input field is not marked as required in the Embed dialog.