Important Notes:

• #1249: Enabled the Upload Image plugin by default in standard and full presets. Also, it will no longer log an error in case of missing config.imageUploadUrl property.

New Features:

• #933: Introduced Balloon Toolbar plugin.
• #662: Introduced image inlining for the Paste from Word plugin.
• #468: [Edge] Introduced support for the Clipboard API.
• #607: Manually inserted Hex color is prefixed with a hash character (#) if needed. It ensures a valid Hex color value is used when setting the table cell border or background color with the Color Dialog window.
• #584: Font size and Family and Format drop-downs are not toggleable anymore. Default option to reset styles added.
• #856: Introduced the CKEDITOR.tools.keystrokeToArray method. It converts a keystroke into its string representation, returning every key name as a separate array element.
• #1053: Introduced the CKEDITOR.tools.object.merge method. It allows to merge two objects, returning the new object with all properties from both objects deeply cloned.
• #1073: Introduced the CKEDITOR.tools.array.every method. It invokes a given test function on every array element and returns true if all elements pass the test.

Fixed Issues:

• #796: Fixed: A list is pasted from OneNote in the reversed order.
• #834: [IE9-11] Fixed: The editor does not save the selected state of radio buttons inserted by the Form Elementsplugin.
• #704: [Edge] Fixed: Using Ctrl/Cmd + Z breaks widget structure.
• #591: Fixed: A column is inserted in a wrong order inside the table if any cell has a vertical split.
• #787: Fixed: Using Cut inside a nested table does not cut the selected content.
• #842: Fixed: List style not restored when toggling list indent level in the Indent List plugin.
• #711: Fixed: Dragging widgets should only work with the left mouse button.
• #862: Fixed: The "Object Styles" group in the Styles Combo plugin is visible only if the whole element is selected.
• #994: Fixed: Typo in the CKEDITOR.focusManager.focus API documentation. Thanks to benjy!
• #1014: Fixed: The Table Tools Cell Properties dialog is now Advanced Content Filter aware — it is not possible to change the cell width or height if corresponding styles are disabled.
• #877: Fixed: A list with custom bullets with exotic characters crashes the editor when pasted from Word.
• #605: Fixed: Inline widgets do not preserve trailing spaces.
• #1008: Fixed: Shorthand Hex colors from the config.colorButton_colors option are not correctly highlighted in the Color Button Text Color or Background Color panel.
• #1094: Fixed: Widget definition upcast methods are called for every element.
• #1057: Fixed: The Notification plugin overwrites Web Notifications API due to leakage to the global scope.
• #1068: Fixed: Upload widget paste listener ignores changes to the uploadWidgetDefinition.
• #921: Fixed: [Edge] CKEditor erroneously perceives internal copy and paste as type "external".
• #1213: Fixed: Multiple images uploaded using Upload Image plugin are randomly duplicated or mangled.
• #532: Fixed: Removed an outdated user guide link from the About dialog.
• #1221: Fixed: Invalid CSS loaded by Balloon Panel plugin when config.skin is loaded using a custom path.
• #522: Fixed: Widget selection is not removed when widget is inside table cell with Table Selection plugin enabled.
• #1027: Fixed: Cannot add multiple images to the table with Table Selection plugin in certain situations.
• #1069: Fixed: Wrong shape processing by Paste from Word plugin.
• #995: Fixed: Hyperlinked image gets inserted twice by Paste from Word plugin.
• #1287: Fixed: Widget plugin throws exception if included in editor build but not loaded into editor's instance.

API Changes:

• #1097: Widget upcast methods are now called in the widget definition's context.
• #1118: Added the show option in the balloonPanel.attach method, allowing to attach a hidden Balloon Panelinstance.
• #1145: Added the skipNotifications option to the CKEDITOR.fileTools.uploadWidgetDefinition, allowing to switch off default notifications displayed by upload widgets.

Other Changes:

• #815: Removed Node.js dependency from the CKEditor build script.
• #1041, #1131: Updated URLs pointing to CKSource and CKEditor resources after the launch of new websites.