Fixed Issues:

• #5333: Fixed: The original name of the uploaded image is not preserved by the Upload Image plugin if the Clipboard plugin has enabled image handling.
• #2881: Fixed: Changing table headers from "Both" to "First column" in the Table dialog does not change the first column cell correctly.
• #2996: Fixed: Table header "scope" attribute is incorrect for the "Headers: both" option in the Table dialog.
• #4802: Fixed: Tableselection caret moves to the previous cell after tabbing into the next cell and then removing its content.
• #5365: Fixed: The value of the config.baseFloatZIndex config variable is incorrectly applied to parent dialog when the child dialog is closed resulting in the dialog overlay covering up the dialog. Thanks to JenoDK!
• #5305: Fixed: Anchor name can invalidly include spaces.

Fixed Issues:

• #5125: Fixed: Deleting a widget with disabled autoParagraph by the keyboard backspace key removes the editor editable area and crashes the editor.
• #5135: Fixed: The checkbox.setValue and radio.setValue methods are not chainable as stated in the documentation. Thanks to Jordan Bradford!
• #5085: Fixed: The Language plugin removes the element marking the text in foreign language if said element does not have an information about the text direction.
• #4284: Fixed: Tableselection Merging cells with a rowspan throws an unexpected error and does not create an undo step.
• #5184: Fixed: The Editor Placeholder plugin degrades typing performance.
• #5158: Fixed: CKEDITOR.tools#convertToPx() gives invalid results if the helper calculator element was deleted from the DOM.
• #5234: Fixed: Easy Image doesn't allow to upload images files using toolbar button.
• #438: Fixed: It is impossible to navigate to the elementspath from the toolbar by keyboard and vice versa.
• #4449: Fixed: dialog.validate#functions incorrectly composes functions that return an optional error message, like e.g. dialog.validate.number due to unnecessary return type coercion.
• #4473: Fixed: The dialog.validate method does not accept parameter value. The issue originated in dialog.validate.functions method that did not properly propagate parameter value to validator. Affected validators:
  • functions
  • equals
  • notEqual
  • cssLength
  • htmlLength
  • inlineStyle
• #5147: Fixed: The Accessibility Help dialog does not contain info about focus being moved back to the editing area upon leaving dialogs.
• #5144: Fixed: Menu buttons and panel buttons incorrectly indicate the open status of their associated pop-up menus in the browser's accessibility tree.
• #5022: Fixed: Find and Replace does not respond to the Enter key.

API changes:

• #5184: Added the config.editorplaceholder_delay configuration option allowing to delay placeholder before it is toggled when changing editor content.
• #5184: Added the CKEDITOR.tools#debounce() function allowing to postpone a passed function execution until the given milliseconds have elapsed since the last time it was invoked.