Advanced Custom Fields Pro Version History

*Release Date 31st March 2026*
*PRO Only Release*

* Fix - V3 blocks with WYSIWYG fields no longer enqueue TinyMCE editor assets on the frontend
* Fix - V3 blocks with identical attributes and different InnerBlocks content no longer return cached output from the first block on the frontend

*Release Date 30th March 2026*

* [View Release Post](https://www.advancedcustomfields.com/blog/acf-pro-6-8-release-ai-ready-discoverable-content/)
* New - ACF now integrates with the WordPress Abilities API, allowing external consumers (AI tools) to manage field groups, post types, and taxonomies when explicitly enabled via the `enable_acf_ai` feature flag
* New - ACF can now generate JSON-LD structured data fields when explicitly enabled via the `enable_schema` feature flag
* New - ACF now includes WP-CLI support with new `wp acf json` commands for importing, exporting, syncing, and checking the status of ACF JSON files
* New - ACF custom post Types now support the WordPress 6.9+ "Notes" editor feature via a new "Notes" checkbox in the Supports settings
* Enhancement - The Blocks V3 "Open in Expanded Editor" button text can now be customized via a new `acf.expandedEditorButtonText` block.json property
* Enhancement - A new `acf/blocks/default_expanded_editor_button_text` PHP filter allows customizing the default "Open in Expanded Editor" button text for all V3 blocks
* Enhancement - The Blocks V3 edit and "Open in Expanded Editor" buttons can now be hidden via a new `acf.expandedEditorButtons` block.json property
* Enhancement - A new `blocks/expanded_editor_overlay_class` JS filter allows customizing the CSS class on the Expanded Editor modal overlay
* Enhancement - ACF Blocks V3 now preloads the block form HTML alongside the preview, eliminating an extra AJAX call on mount
* Enhancement - ACF inline script tags now use `wp_print_inline_script_tag()` for Content Security Policy (CSP) compliance and nonce support
* Enhancement - The Expanded Editor buttons are now hidden for V3 blocks that have no fields assigned
* Fix - Flexible Content fields now properly clean up nested postmeta when a parent layout containing nested Flexible Content fields is deleted
* Fix - The Expanded Editor "Done" button now stays disabled until the AJAX save completes, preventing data loss
* Fix - Pressing Escape while the Expanded Editor is saving will no longer close the modal, preventing data loss
* Fix - InnerBlocks content containing backslashes or dollar signs now renders correctly
* Fix - Auto Inline Editing now only applies to ACF Blocks V3, resolving incorrect hover/focus borders appearing on V2 blocks
* Fix - Validation errors in the V3 Expanded Editor no longer cause a dead-end state
* Fix - Icon Picker selections in Repeater fields no longer disappear
* Fix - Range field number input now syncs to the slider and correctly updates V3 block previews
* Fix - Message field Name and Instructions settings are no longer shown in the field group editor
* Fix - Image field no longer crashes in WordPress 7.0 release candidates
* Fix - Auto Inline Editing blocks now receive block context variables in render templates
* Fix - V3 blocks registered via PHP now correctly show the "Open in Expanded Editor" button
* Fix - Flexible Content disabled layouts now work correctly in Blocks V3
* Fix - Auto Inline Editing now works with blocks using `renderCallback`
* i18n - Added Danish translation

*Release Date 26th March 2026*

* Security - Users' `unfiltered_html` capability is now correctly applied to REST API calls
* Security - Block Preview rendering now correctly checks the user has permission to edit that post
* Security - Repeater fields using pagination now correctly checks the user has permissions to edit that post
* Security - Flexible content fields layout title AJAX requests now correctly verify security nonces
* Security - Clone field AJAX admin endpoints now correctly check ACF admin permissions for field group listings

*Release Date 3rd March 2026*

* Security - User field AJAX queries now enforce field-configured role restrictions and validate search permissions
* Security - Post Object, Relationship, and Page Link field AJAX queries now enforce field-configured restrictions for post status, post type, and taxonomy

*Release Date 11th December 2025*
*PRO Only Release*

* Fix - Posts with V3 blocks can now be saved without clicking the block

*Release Date 29th October 2025*

* Enhancement - Added a new `convert_field_name_to_lowercase` JS filter to allow uppercase letters in ACF field names
* Enhancement - The form for V3 Blocks can now be optionally hidden from the sidebar via a new `hideFieldsInSidebar` setting in block.json
* Enhancement - V3 Blocks now display an "Open Expanded Editor" button in the sidebar for easier access to the full edit form
* Fix - The buttons to reorder ACF metaboxes are no longer hidden for metaboxes in the block editor sidebar
* Fix - V3 Blocks now display a fallback message when the block preview can't be rendered due to invalid HTML being used in field values
* Fix - V3 Blocks no longer show a loading spinner when preloaded
* Fix - V3 Blocks now save default field values even if the block wasn't interacted with before saving
* Fix - Pressing CMD/CTRL + Z no longer causes the fields to disappear in V3 Blocks
* Fix - The form for V3 Blocks now opens on the left side in RTL languages