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Version 5.6.2 (2020-12-08) Fixed a UI rendering regression when the document body is using `display: flex` #TINY-6783 Version 5.6.1 (2020-11-25) Fixed the `mceTableRowType` and `mceTableCellType` commands were not firing the `newCell` event #TINY-6692 Fixed the HTML5 `s` element was not recognized when editing or clearing text formatting #TINY-6681 Fixed an issue where copying and pasting table columns resulted in invalid HTML when using colgroups #TINY-6684 Fixed an issue where the toolbar would render with the wrong width for inline editors in some situations #TINY-6683 Version 5.6.0 (2020-11-18) Added new `BeforeOpenNotification` and `OpenNotification` events which allow internal notifications to be captured and modified before display #TINY-6528 Added support for `block` and `unblock` methods on inline dialogs #TINY-6487 Added new `TableModified` event which is fired whenever changes are made to a table #TINY-6629 Added new `images_file_types` setting to determine which image file formats will be automatically processed into `img` tags on paste when using the `paste` plugin #TINY-6306 Added support for `images_file_types` setting in the image file uploader to determine which image file extensions are valid for upload #TINY-6224 Added new `format_empty_lines` setting to control if empty lines are formatted in a ranged selection #TINY-6483 Added template support to the `autocompleter` for customizing the autocompleter items #TINY-6505 Added new user interface `enable`, `disable`, and `isDisabled` methods #TINY-6397 Added new `closest` formatter API to get the closest matching selection format from a set of formats #TINY-6479 Added new `emojiimages` emoticons database that uses the twemoji CDN by default #TINY-6021 Added new `emoticons_database` setting to configure which emoji database to use #TINY-6021 Added new `name` field to the `style_formats` setting object to enable specifying a name for the format #TINY-4239 Changed `readonly` mode to allow hyperlinks to be clickable #TINY-6248 Fixed the `change` event not firing after a successful image upload #TINY-6586 Fixed the type signature for the `entity_encoding` setting not accepting delimited lists #TINY-6648 Fixed layout issues when empty `tr` elements were incorrectly removed from tables #TINY-4679 Fixed image file extensions lost when uploading an image with an alternative extension, such as `.jfif` #TINY-6622 Fixed a security issue where URLs in attributes weren't correctly sanitized #TINY-6518 Fixed `DOMUtils.getParents` incorrectly including the shadow root in the array of elements returned #TINY-6540 Fixed an issue where the root document could be scrolled while an editor dialog was open inside a shadow root #TINY-6363 Fixed `getContent` with text format returning a new line when the editor is empty #TINY-6281 Fixed table column and row resizers not respecting the `data-mce-resize` attribute #TINY-6600 Fixed inserting a table via the `mceInsertTable` command incorrectly creating 2 undo levels #TINY-6656 Fixed nested tables with `colgroup` elements incorrectly always resizing the inner table #TINY-6623 Fixed the `visualchars` plugin causing the editor to steal focus when initialized #TINY-6282 Fixed `fullpage` plugin altering text content in `editor.getContent()` #TINY-6541 Fixed `fullscreen` plugin not working correctly with multiple editors and shadow DOM #TINY-6280 Fixed font size keywords such as `medium` not displaying correctly in font size menus #TINY-6291 Fixed an issue where some attributes in table cells were not copied over to new rows or columns #TINY-6485 Fixed incorrectly removing formatting on adjacent spaces when removing formatting on a ranged selection #TINY-6268 Fixed the `Cut` menu item not working in the latest version of Mozilla Firefox #TINY-6615 Fixed some incorrect types in the new TypeScript declaration file #TINY-6413 Fixed a regression where a fake offscreen selection element was incorrectly created for the editor root node #TINY-6555 Fixed an issue where menus would incorrectly collapse in small containers #TINY-3321 Fixed an issue where only one table column at a time could be converted to a header #TINY-6326 Fixed some minor memory leaks that prevented garbage collection for editor instances #TINY-6570 Fixed resizing a `responsive` table not working when using the column resize handles #TINY-6601 Fixed incorrectly calculating table `col` widths when resizing responsive tables #TINY-6646 Fixed an issue where spaces were not preserved in pre-blocks when getting text content #TINY-6448 Fixed a regression that caused the selection to be difficult to see in tables with backgrounds #TINY-6495 Fixed content pasted multiple times in the editor when using Microsoft Internet Explorer 11. Patch contributed by mattford #GH-4905 Version 5.5.1 (2020-10-01) Fixed pressing the down key near the end of a document incorrectly raising an exception #TINY-6471 Fixed incorrect Typescript types for the `Tools` API #TINY-6475 Version 5.5.0 (2020-09-29) Added a TypeScript declaration file to the bundle output for TinyMCE core #TINY-3785 Added new `table_column_resizing` setting to control how table columns are resized when using the resize bars #TINY-6001 Added the ability to remove images on a failed upload using the `images_upload_handler` failure callback #TINY-6011 Added `hasPlugin` function to the editor API to determine if a plugin exists or not #TINY-766 Added new `ToggleToolbarDrawer` command and query state handler to allow the toolbar drawer to be programmatically toggled and the toggle state to be checked #TINY-6032 Added the ability to use `colgroup` elements in tables #TINY-6050 Added a new setting `table_use_colgroups` for toggling whether colgroups are used in new tables #TINY-6050 Added the ability to delete and navigate HTML media elements without the `media` plugin #TINY-4211 Added `fullscreen_native` setting to the `fullscreen` plugin to enable use of the entire monitor #TINY-6284 Added table related oxide variables to the Style API for more granular control over table cell selection appearance #TINY-6311 Added new `toolbar_persist` setting to control the visibility of the inline toolbar #TINY-4847 Added new APIs to allow for programmatic control of the inline toolbar visibility #TINY-4847 Added the `origin` property to the `ObjectResized` and `ObjectResizeStart` events, to specify which handle the resize was performed on #TINY-6242 Added new StyleSheetLoader `unload` and `unloadAll` APIs to allow loaded stylesheets to be removed #TINY-3926 Added the `LineHeight` query command and action to the editor #TINY-4843 Added the `lineheight` toolbar and menu items, and added `lineheight` to the default format menu #TINY-4843 Added a new `contextmenu_avoid_overlap` setting to allow context menus to avoid overlapping matched nodes #TINY-6036 Added new listbox dialog UI component for rendering a dropdown that allows nested options #TINY-2236 Added back the ability to use nested items in the `image_class_list`, `link_class_list`, `link_list`, `table_class_list`, `table_cell_class_list`, and `table_row_class_list` settings #TINY-2236 Changed how CSS manipulates table cells when selecting multiple cells to achieve a semi-transparent selection #TINY-6311 Changed the `target` property on fired events to use the native event target. The original target for an open shadow root can be obtained using `event.getComposedPath()` #TINY-6128 Changed the editor to clean-up loaded CSS stylesheets when all editors using the stylesheet have been removed #TINY-3926 Changed `imagetools` context menu icon for accessing the `image` dialog to use the `image` icon #TINY-4141 Changed the `editor.insertContent()` and