Release notes

Last updated on Jul 20, 2026

Find out about the latest updates, new features, and bug fixes in recent Adobe InDesign releases.

July 2026 (version 21.5)

Feature updates

  • Table accessibility improvements in PDF and EPUB exports
    • Specify header rows, header columns, and captions in your table setup to include accessible table structure information in exported documents.
  • Keyboard shortcut search
    • Search by command name or keyboard shortcut to quickly locate a specific menu item directly in the Keyboard Shortcuts dialog box.
  • Data Merge enhancements
    • Added support for multiline records and UTF-8 encoded data files.
  • HTML Preview plugin no longer required
    • Starting with InDesign 21.5, HTML previews generate without the HTML Preview plugin, and InDesign no longer displays an error if the plugin isn't installed.
  • Manage your files faster from the home screen
    • Add local files as cloud documents, or download cloud documents to your device, directly from the home screen.
  • Speed up accessibility work with bulk Alt Text operations
    • Generate or remove AI-generated Alt Text for multiple images at once, without affecting text you've written or edited manually.

Fixed issues

  • The primaryTextFrame property could not be set on a MasterSpread via InDesign scripting.
  • Effects like Drop Shadow get displaced when objects are transformed.
  • Data Merge did not support UTF-8 encoding.
  • Incorrect handling of Ampersands (&) in font family names and OpenType Stylistic Sets names.
  • Caption option isn't visible in the Table Options context menu.
  • [Windows only] Users in Chinese Simplified unable to use InDesign due to subscription error.
  • Content not visible in PDF appears upon opening the PDF.
  • Opening some PDFs duplicates images onto the pasteboard, degrading performance, and inflating asset folder size.
  • [Windows only] InDesign intermittently crashes during document recovery.
  • [Windows only] InDesign intermittently crashes on during quit.
  • InDesign hangs with customer CEP Plugin.

Fixed issues

  • Alt text message is truncated from right side.
  • [Windows only] InDesign fails to locate the Times New Roman and Calibri fonts.
  • [macOS only] Math Expression size gets larger and truncated on EPUB Interactive Preview Panel.
  • [macOS only] InDesign requests permission to access data from other applications at launch.
  • [Windows only] Indesign freezes and unexpectedly closes while opening IDML file containing double-hyphenated texts.
  • [Windows only] When placing or updating linked files, InDesign hangs and shows a spinning cursor.
  • Media files, groups, and interactive items are dropped off when None CSS Option is selected.
  • The Blue border (focus) for the Flex icon is cut off on the right side in the Properties panel.
  • Clicking on a footnote or endnote reference on EPUB preview, the page isn't redirecting to the footnote or endnote location.
  • Fixed an issue where Share for Review 'Update Content' fails with 'Artifact error' for large InDesign documents.
  • Keyboard shortcuts don’t work on transformed frames.
  • Weird behaviour when the Add to flex frame action is done on a transformed interactive button or object states.
  • Expose FlexObject to anchoredObjectSettings.
  • Positioning of Flex Children isn't maintained correctly within Flex Container on Transforming Flex Layouts.
  • URLs containing %27 were navigating to a 404 page in the published document.
  • Issue with text appearance of placed WMF images.
  • IDML export/import adds objects on master pages and dependent pages.
  • Generate Alt Text feature is disabled and showing error, You do not have access to the Generate Alt Text feature.
  • Fit Text feature is disabled for Type on a Path text objects in InDesign.
  • Manually added alt text should not get removed when relinked from a missing link.
  • [macOS only] InDesign intermittently crashes on Quit.
  • Auto Alt Text causing crashes, freezing, and workflow disruptions in InDesign 21.2.
  • CC Libraries panel freezes and becomes unresponsive in InDesign.
  • InDesign crashes while saving to cloud-synced locations after a corrupt Windows update, resulting in document corruption.
  • [Windows only] Users in Chinese Simplified are unable to use InDesign due to a subscription error.

Feature updates

  • You can show or hide the Alt Text badge  icon (View > Extras > Hide Alt Text Badge or Show Alt Text Badge). Hiding the badge does not remove alt text and does not affect accessible exports.

Fixed issues

  • [macOS only] InDesign file becomes uneditable after using Share for InCopy on the web and then saving it back locally on macOS.
  • [macOS only] Paper swatch applied to text has incorrect overprint settings. 
  • [macOS only] InDesign hangs at launch if the PDF preset folder lacks read permissions.
  • [macOS only] Locate Object button is now available in the Layers panel
  • Provide an option to show/hide Alt Text adornment icon.
  • Alt text added in the Accessibility section of Hyperlinks panel disappears when the file is saved as IDML.
  • Incorrect Alt Text generation for some images.
  • The UXP WebView Support component should not be packaged or installed with InDesign Server.
  • InDesign Server crashes when using the Adobe World-Ready Single-line Composer while interacting with multi-column text frames. 
  • InDesign intermittently crashes when opening or closing documents from a network location under low-memory conditions.
  • InDesign intermittently crashes while opening the document.
  • InDesign intermittently crashes while adding pages to the document.
  • InDesign intermittently crashes while performing copy/paste of text containing hyperlinks.
  • InDesign intermittently crashes during image placement.
  • Documentation missing from InDesign Server installation directory.
  • [Flex Layout] Elements added to the Article panel appear in incorrect sequence.
  • [Flex Layout] Buttons and Object States cannot be applied directly to Flex child elements.
  • IDML files with long indexes take excessive time to open.
  • Page size changes in Alternate Layout after reopening the IDML file.
  • Master page names are changed after IDML conversion.

Fixed issues

  • [Windows only] Text becomes invisible during editing.
  • [Windows only] InDesign is frequently clearing the Undo stack. 
  • Object Styles now support Size and Position values greater than 1440 pt.  
  • Plug-ins created with InDesign 21.0 SDK crashes InDesign 21.1 during hyperlink creation.
  • The plug‑in’s document observer update function is no longer called when users switch between open InDesign documents.
  • InDesign crashes on opening an IDML file with custom bullet character.
  • Support for Size and Position values greater than 1440 pt in Object Styles has been extended to IDML round-tripping and Snippets/CC Libraries. 
  • Negative X/Y Position values in Object Styles are now preserved across Snippets/CC Libraries and IDML round-tripping. 
  • Conditional text setting is changing during IDML Export/Import.
  • Showing text threads within IDML as in the original InDesign document. 
  • Custom page numbering is lost when saving as IDML if Automatic Page Numbering is selected and a number is entered in the Start At field. 
  • When converting an INDD file to IDML, Inner GlowSize values over 12p6 incorrectly change to 0p7 in the exported file. 
  • [Windows only] Unexpected color changes occur on certain cell borders after exporting the document to IDML.  
  • When saving an InDesign file to IDML, the page size changes if margins are set to zero and the width/height is less than 6p0.
  • [Windows only] PDFExportProvider object is being destroyed and recreated in the middle of an export, leading to an error. 
  • Crash on opening IDML when default object style has the same name as its style group.

Fixed issues

Fixed issues