Advanced Custom Fields v6.8.0

Release Date 30th March 2026

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• 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

Advanced Custom Fields v6.7.2

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

Advanced Custom Fields v6.7.1

Release Date 3rd March 2026

• Security - User field AJAX queries now enforce field-configured role restrictions and validate search permissions. Thanks to dragonzenai for the responsible disclosure.
• Security - Post Object, Relationship, and Page Link field AJAX queries now enforce field-configured restrictions for post status, post type, and taxonomy. Thanks to dragonzenai for the responsible disclosure.

Advanced Custom Fields v6.7.0

Release Date 3rd December 2025

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• New - ACF Blocks V3 now supports Inline Editing - edit your block content directly in place, right inside the editor. Just opt in to enable it.
• Enhancement - Accordion field accessibility improvements
• Enhancement - Google Maps field accessibility improvements
• Enhancement - Styling improvements to the V3 Blocks expanded editor
• Fix - V3 ACF Blocks validation now clears properly when more than one block is in the editor.
• Fix - Relationship, Post Object, and Page Link fields now sort posts correctly on WordPress 6.8+
• Fix - List tables now respect the convert_field_name_to_lowercase javascript filter
• Fix - WYSIWYG field on attachment pages no longer sends ajax on every keystroke

Advanced Custom Fields v6.6.2

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

Advanced Custom Fields v6.6.1

Release Date 16th October 2025

• Fix - The Color Picker palette now displays correctly with a larger number of custom palette colors
• Fix - The WYSIWYG field no longer displays an extra textarea in ACF Blocks
• Fix - The type signature of the ACF Blocks render function now matches prior to 6.6, resolving potential type hinting errors
• Fix - V3 Blocks now correctly update the block preview when changing text controls
• Fix - V3 Blocks now work correctly in the Widget block editor
• Fix - V3 Blocks no longer render an extra hidden div into the block editor
• Fix - Fields on V3 blocks now consistently render properly when switching between “Post” and “Block” view in the sidebar

Advanced Custom Fields v6.6.0

Release Date 7th October 2025

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• New - ACF Blocks Version 3 supports WordPress Block API Version 3
• New - ACF now requires WordPress version 6.2 or newer
• Enhancement - Field Groups can now have a separate Display Title
• Enhancement - Accessibility improvements for button groups, checkbox, radio, and image field types
• Enhancement - Color Picker field can now use a custom palette or use theme.json colors as the palette
• Enhancement - ACF admin notices now use WordPress core styles again
• Enhancement - The Flexible Content “Delete Layout” and “Rename Layout” modals now display correctly on mobile
• Fix - Blocks V3: You can now edit ACF blocks in Edit mode inside WP Core's pattern editor
• Fix - Blocks V3: Validation errors now first appear after you click "Save/publish", as opposed to immediately, while you are typing into a field for the first time
• Fix - Blocks V3: After fixing a field validation error it shows as fixed immediately as opposed to needing to click out of the block and back into it
• Fix - Blocks V3: Blocks with radio buttons no longer affect each other's field values
• Fix - Blocks V3: Blocks with required radio buttons now validate correctly
• Fix - Blocks V3: ACF field validation now works in the Site Editor
• Fix - Blocks V3: WYSIWYG fields are no longer affected by typing into other blocks
• Fix - New field names are lowercase only
• Fix - Icon Picker now enforces required validation
• Fix - Calls to jQuery’s deprecated focus function have been updated to use the trigger function
• i18n - Updated PRO Japanese translations (props danielkun)

Advanced Custom Fields v6.5.1

Release Date 10th September 2025

• Enhancement - The Flexible Content “Expand All” and “Collapse All” button now appear correctly on mobile
• Enhancement - The Flexible Content delete layout button is now back in the main layout header, making it easier to delete layouts
• Enhancement - The JSON import tool now limits the selectable files to JSON files
• Fix - Disabled Flexible Content layouts are no longer counted towards min/max layout validation
• Fix - The top “Add Row” button for layouts is now disabled when layouts have reached the max layouts validation
• Fix - The per-layout “Add Row” and “Duplicate Layout” buttons are now disabled when layouts have reached the max layouts validation
• Fix - Disabling Flexible Content layouts no longer disables layouts in cloned Flexible Content fields using a different post ID on the same page
• Fix - Flexible Content “Add Layout” menu is no longer hidden by some field types
• Fix - Flexible Content layout names can now allow some safe HTML
• Fix - When creating a temporary post type during import, ACF now correctly sets the ACF post type, rather than defaulting to post
• Fix - ACF PRO updates are now shown even when no other plugins have an update available

Advanced Custom Fields v6.5.0

Release Date 11th August 2025

• New - Flexible Content layouts can now be renamed in the post editor, giving content editors better clarity when managing layouts
• New - Flexible Content layouts can now be disabled, preventing them from rendering on the frontend without needing to delete their data
• New - Flexible Content layouts can now be collapsed and expanded in bulk for faster content editing
• New - Editing a Flexible Content layout now highlights the layout being edited, making it easier to identify
• New - The Date and Date Time Picker fields can now be configured to default to the current date
• Fix - Custom Icon Picker tabs now work correctly when used inside an ACF Block
• Fix - Duplicating a Field Group no longer causes a fatal error when using Russian translations
• Fix - ACF classes no longer use dynamic class properties, improving compatibility with PHP 8.2+
• Fix - ACF PRO no longer shows an update available immediately after updating to the latest version
• Fix - Field group metabox collapse and expand buttons are no longer misaligned in the post editor
• Fix - The ACF Site Health section no longer causes a PHP warning when field group location rules are incomplete
• Security - HTML is now escaped from field validation errors and tooltips

Advanced Custom Fields v6.4.3

Release Date 22nd July 2025

• Security - Unsafe HTML in field group labels is now correctly escaped for conditionally loaded field groups, resolving a JS execution vulnerability in the classic editor
• Security - HTML is now escaped from field group labels when output in the ACF admin
• Security - Bidirectional and Conditional Logic Select2 elements no longer render HTML in field labels or post titles
• Security - The acf.escHtml function now uses the third party DOMPurify library to ensure all unsafe HTML is removed. A new esc_html_dompurify_config JS filter can be used to modify the default behaviour
• Security - Post titles are now correctly escaped whenever they are output by ACF code. Thanks to Shogo Kumamaru of LAC Co., Ltd. for the responsible disclosure
• Security - An admin notice is now displayed when version 3 of the Select2 library is used, as it has now been deprecated in favor of version 4