[frontend] chore(deps): update dependency ckeditor5 to v47#4564
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This PR contains the following updates:
45.2.2→47.4.0Release Notes
ckeditor/ckeditor5 (ckeditor5)
v47.4.0Compare Source
We are happy to announce the release of CKEditor 5 v47.4.0.
Release highlights
This is a minor update focused on improving content editing workflows and data compatibility. We are introducing better visualization for table borders, enhanced image alignment handling, and several improvements to AI and email features.
Experimental table cell type support
We are introducing an experimental
tableCellTypeSupportflag that enables changing table cell types between data and header cells (th). This feature provides more flexibility when working with complex table structures. Read more about how to enable it in the update guide.Hidden table borders visualization
We are introducing a new
config.table.showHiddenBordersconfiguration option (enabled by default) that helps editors work with tables that have hidden borders. When the editor detects inlineborder:noneorborder-style:nonedeclarations on table and cell elements, it renders dashed helper borders in the editing view. This makes it easier to see the table structure while editing without affecting the output data. For strict WYSIWYG scenarios where you want the editing view to match the output exactly, this visualization can be disabled.Email compatibility improvements
We improved the email styles transformation with better appearance of resized inline images in classic Outlook clients. Additionally, the new optional
useFigureToTableFallbackflag in the email styles transformers can replacefigure(block images) with tables to improve alignment and width handling in older email clients with limited CSS support.Other improvements and fixes
floatstyle on images (e.g.,style="float: left"orstyle="float: right") and automatically maps it to left/right image alignment. This works for both inline and block images, improving compatibility when pasting content from external sources or loading legacy content. If custom image styles are configured, they take precedence over the float style.Incoming old installation methods sunset reminder
Please note that the old installation methods will only remain available up to CKEditor 5 v48.0.0, which is planned for release at the beginning of Q2 2026. For more timeline details, refer to the dedicated GitHub issue.
In CKEditor 5 v42.0.0 in June 2024, we introduced new installation methods designed to improve and simplify the developer workflow. Soon, they will be the only available paths to install and use CKEditor 5.
If your project still relies on old installation methods, now is a good time to plan your next steps. We recommend choosing between these two options:
Features
table, theme-lark: Added support for visualizing hidden table and table cell borders through a new configuration option:
table.showHiddenBorders(enabled by default). The editor now detects inlineborder:noneandborder-style:nonedeclarations on table and cell elements and renders dashed helper borders in the editing view. This visualization can be disabled for strict WYSIWYG scenarios. Closes #19039.ai: Added a new tooltip for web search sources in the AI Chat.
The tooltip now displays the full link, favicon, and link title.
email: Added an inline-styles transformation that improves the appearance of resized inline images in classic Outlook clients.
Additionally, introduced an optional
useFigureToTableFallbackflag in the email inline-styles transformers. When enabled, figures (block images) are replaced with tables to improve alignment and width handling in older email clients that have limited CSS support. This enhances compatibility but adds extra markup, which may affect layout in some cases.emoji: The Emoji plugin can now be used together with the Emoji v17.0 dataset, which has been uploaded to the CKEditor CDN. This update does not change the default emoji version used by CKEditor. Closes #19394.
Bug fixes
basic-styles, icons: Fixed the superscript and footnote icons to properly inherit colors from CSS instead of using hardcoded fill values. Closes #19464.
email, export-inline-styles: Fixed incorrect table alignment in Classic Outlook when exporting inline styles with
getEmailInlineStylesTransformations.paste-from-office, table: The editor no longer crashes when calling
getData()on content containing a table with custom styling, provided that theTablePropertiesEditingandPlainTableOutputplugins are loaded without theTablePropertiesplugin. Closes #19512.code-block, typing: Fixed an error thrown when creating a code block via backticks on some keyboard layouts (e.g. US International). Closes #18926.
engine, undo: Fixed a bug where undoing changes to root attributes (e.g. the
orderattribute) would not restore the correct value. Closes #19483.ai: AI Review sidebar is no longer stuck in loading state for specific AI API responses with no real changes in the content.
ai: AI Chat related Quick Actions now open the AI Chat if it is closed or if another tab is currently active.
ai: The AI feature now functions correctly when used with the Title plugin.
ai: The document will no longer be added to the context automatically when it is disabled via the
ai.chat.context.document.enabledconfig.ai: Quick Actions that use AI Chat are now hidden when the document context is disabled via the
ai.chat.context.document.enabledconfig, as they require the document to function properly.ai: Editor toolbar is now always visible when AI Review suggestion is accepted or dismissed.
footnotes: The footnotes' definitions are no longer lost when pasting content that lacks the
application/ckeditor5-footnotesdata but contains footnote references and definitions. The plugin now extracts and merges footnote definitions from the pasted content, ensuring that existing footnotes are preserved and new ones are added correctly.image: The editor and its UI now recognize the CSS
floatstyle on images (e.g.style="float: left"orstyle="float: right") and map it to left/right image alignment. This applies to both inline and block images. If custom image styles are configured, then thefloatstyle is ignored. Closes #19521.link: Fixed an issue where setting editor data with multiple images or images mixed with text inside a single link would result in only the first image being preserved and the rest of the content being removed. Closes #18961.
media-embed: Added a
strict-origin-when-cross-originattribute to theiframetag when embedding YouTube videos. It corresponds with the YouTube documentation and resolves occurrences of error 153 when embedding YouTube videos.Thanks to @ampaze.
pagination: Fixed a crash in pagination that occurred when a to-do list item was the first element in the editor.
pagination: Fixed an issue with the incorrect order of page breaks for tables containing specific data.
revision-history: Stopped the revision history loading overlay spinner from animating while hidden. Closes ckeditor/ckeditor5#19558.
table: Fixed incorrect table rows moving as header row when preceding rows are not header rows. Closes #19431.
table: The default alignment for table headers in the output has been set to left to match the editing view and ensure consistent rendering across all browsers. Closes #19454.
typing: Disable text transformations inside inline code so automatic text transformation does not convert typed text. Closes #19557.
ui: Guarded dropdown panel selection handling against non-element targets to avoid errors when selecting text. Closes #19565.
Other changes
ai: The Track Changes suggestion markers are always grayed out in AI review, even if active.
This makes it easier to navigate when review check is active in content with many Track Changes suggestions and keeps full focus on changes created by AI.
ai: AI models displayed in Review and Chat are now sorted by their model family.
core: The
Editorclass constructor now detects if the providedEditorConfigis not an object. Closes #18072.The common source of this error is when an editor class (e.g.,
ClassicEditor) is mistakenly included in the plugins list when initializing Editor.table: Introduced the experimental
tableCellTypeSupportflag to enable changing table cell types betweendataandheader. To use this change, besides the flag, theTablePropertiesUIExperimentalandTableCellPropertiesUIExperimentalplugins must be used. See #16730.Removes operation and time limits from trial license.
Released packages
Check out the Versioning policy guide for more information.
Released packages (summary)
Releases containing new features:
Other releases:
v47.3.0Compare Source
We are happy to announce the release of CKEditor 5 v47.3.0.
Release highlights
This release introduces a minor stability update, featuring focused fixes and improvements, as well as experimental features.
CKEditor AI improvements and bug fixes
Finding a specific AI Quick Action in a long list with multiple groups can be difficult. To improve this, we are adding a filter input that lets users search for quick actions directly within the dropdown.
Visibility of the input can be easily configured using the
config.ai.quickActions.isSearchEnabledconfiguration option.This release also brings several minor but significant enhancements and fixes:
New experimental options
We keep our LTS version promise: no breaking changes until the Active LTS moves to Maintenance LTS phase (April 2026). It also means that introducing larger features can be challenging if someone is waiting for specific improvements.
To address this, we are introducing experimental flags and experimental plugins. These options allow you to preview and test upcoming changes.
New table alignment options
Enable
config.experimentalFlags.useExtendedTableBlockAlignmentand load the experimental UI pluginsTablePropertiesUIExperimentalandTableCellPropertiesUIExperimentalfor upcoming improvements to table block alignment.The
TablePropertiesandTableCellPropertiesplugins already include their standard UI counterparts (TablePropertiesUIandTableCellPropertiesUI). To avoid conflicts, when using experimental UI plugins, you must load the editing plugins (TablePropertiesEditing,TableCellPropertiesEditing) and the experimental UI plugins separately, instead of using the "glue" plugins.New options allow setting left and right table block alignment without text wrapping and resolve issues such as #3225. We also improved table properties and cell properties balloon interfaces. This change will be the default in version 48.0.0.
Improved table border normalization
Setting
config.experimentalFlags.upcastTableBorderZeroAttributesenables support for the normalization of HTML tables that useborder="0". This change will be the default in version 48.0.0.Better deep schema validation
After enabling the
config.experimentalFlags.modelInsertContentDeepSchemaVerificationflag, the editor performs deep schema verification duringmodel.insertContent()operations. This ensures that the inserted content fully follows the editor’s schema, even in complex or nested structures. This change will be the default in version 48.0.0.Read more about these experimental features in the documentation.
Features
config.ai.quickActions.isSearchEnabledconfiguration option.restrictedEditingExceptionAuto) and dedicated toolbar button (restrictedEditingException:auto) for creating restricted editing exceptions (both block and inline). Closes #19353.Bug fixes
ai: AI Review now uses the latest editor content when the review check was retried (via "Try again" button).
This improvement fixes the issue when cached content was send on retry and any new changes, applied review suggestions or changes made by other users in real-time collaboration, were not sent and accounted by AI when generating new results.
ai: AI Review no longer results in an error when the AI service returns an unexpected response (multiple elements when one is expected).
ai: Track Changes markers not related to AI suggestions are now displayed in gray in AI balloon text preview, consistent with AI chat behavior.
ai: The translate check in AI Review now correctly translates the image
altattribute text.ai: The caption of images (
<figcaption>element) is now correctly processed by AI Review checks instead of being ignored.ai: Errors caused by AI feature during initialization no longer crash the editor.
ai: The AI feature keeps the correct UI state after a runtime error occurs.
ai: The AI Review "Custom command" is hidden if the model list cannot be obtained.
ai: Error messages in AI Chat History are now displayed correctly. Previously, errors caused the history view to appear empty instead of showing the error message.
ai: AI suggestions balloon content no longer stick out of the balloon on very small screens.
ckbox: Fixed CKBox Image Editor not respecting the language configuration option. Closes #19338.
comments: Fixed an issue where the comment toolbar button remained enabled even when the command to create a new comment thread was disabled (e.g., in read-only mode).
comments: Disabled revision history toolbar and menu bar buttons in comments-only mode to prevent users from using revision history features.
footnotes: Fixed an issue where cutting and pasting an empty footnotes list in the middle of a paragraph would incorrectly split the paragraph.
footnotes: Fixed an issue where the content of pasted footnotes was lost when the
multiBlockconfiguration option was disabled.footnotes: Fixed incorrect start number shown in footnotes UI when loading a document with existing footnotes.
footnotes: Footnote lists styled with
alpha-lowerandalpha-upperare now correctly highlighted in the footnotes UI.line-height: When line height is applied to a to-do list item, the checkbox is now vertically centered correctly.
pagination: Improved calculation of page breaks when long tables are present in the content.
revision-history: Fixed an issue where revision history buttons remained incorrectly enabled in read-only mode in the menubar.
table: Fixed an issue where tables with merged cells (
[rowspan]) in header columns were not handled correctly. Closes #14826.Thanks to @bendemboski.
Other changes
ai: Review suggestions can now be previewed by hovering over changes in the content, significantly enhancing the review process.
ai: Stopping generation in AI chat now clears the selection from the pending context.
ai: Custom AI quick actions referencing unavailable models are now disabled.
They are displayed as grayed out, and an error is logged to the console during the editor initialization to help integrators detect and fix the issue before it impacts end-users.
ai: Removed misleading console warnings that appeared during AI response streaming.
ai: Error messages concerning the AI feature logged in the browser console now contain the details provided by the backend service.
engine: Introduced the
experimentalFlagsconfiguration option that allows enabling or disabling specific experimental behaviors in CKEditor 5. Closes #19217.Added a new experimental flag:
modelInsertContentDeepSchemaVerification. When enabled, the editor performs a deep schema verificationduring
model.insertContent()operations, ensuring that inserted content fully complies with the editor’s schema even in complexor nested contexts.
list: Added support for passing
consumeparameter toListEditing#registerDowncastStrategymethod which allows to control whether the downcasted element should be consumed or not. It also disables consume checks for the downcasted element to allow defining side effects without consuming the model attribute.table: Introduced the experimental
useExtendedTableBlockAlignmentflag enabling block table alignments. Updated table balloons to reflect this behavior and better match the editor design, visible when using the newTablePropertiesUIExperimentalandTableCellPropertiesUIExperimentalplugins. See #3225.table: Added experimental support for importing HTML tables with the
[border="0"]attribute. Tables with this attribute are now automatically converted to borderless tables in the editor by applyingborder-style: noneto both table and table cell elements. Closes #19038.This change needs to be enabled by setting
experimentalFlags.upcastTableBorderZeroAttributestotrue. In the next major release, this flag will be removed and the upcast will be performed by default.The development environment for CKEditor 5 now requires Node v24.11.
Released packages
Check out the Versioning policy guide for more information.
Released packages (summary)
Releases containing new features:
Other releases:
v47.2.0Compare Source
Release highlights
CKEditor AI
We are introducing CKEditor AI, a powerful writing assistant that brings AI-powered content creation directly into CKEditor 5. It helps users create, review, and refine content without switching between tools, making the editing experience faster and more productive.
CKEditor AI includes three core capabilities:
Power users can select their preferred model during sessions (GPT-5, Claude 3.5, Gemini 2.5, and more), while integrators maintain control over access rules and usage tiers.
Built as a plugin for CKEditor 5, it integrates quickly into existing applications with minimal configuration, and all AI interactions are fully observable via audit logs and optional APIs.
CKEditor AI is available as a premium add-on to all paid CKEditor 5 plans with a transparent subscription-plus-usage pricing model. A 14-day trial is available with access to all premium features.
Footnotes (⭐)
A brand-new Footnotes feature is here! It lets users insert and manage footnotes directly in their content, keeping references organized and readable. Footnotes stay linked to their source text and update automatically when edited, ideal for academic, legal, or technical writing. You can also customize the numbering, including the starting number and numbering style, to match your document’s formatting needs.
Restricted editing for blocks (⭐)
Restricted editing now supports block-level restrictions, not just inline ones. This makes it easier to protect the entire content while still allowing controlled edits where required. A common use case is unlocking for editing template sections like paragraphs, tables, or structured document parts, and protecting the rest of the content.
Old installation methods sunset timelines
We are extending the sunset period for old installation methods (#17779) to the end of Q1 2026. It is a good moment to consider switching to the LTS edition for long-term stability and an additional 3 years of support for the old installation methods.
Other improvements and fixes
This release also brings several smaller but important enhancements and fixes:
elementToStructurehelper now handles nested structures and list elements more consistently, ensuring correct reconversion and structure maintenance.Features
config.ai.chat.context.searchInputVisibleFrom, to manage the visibility of the search input in the AI Chat context panel.@ckeditor/ckeditor5-footnotesthat provides the footnotes feature. This feature allows users to add and manage footnotes in their documents, enhancing the document's readability and providing additional context where necessary.Configuration
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