* Security - ACF now correctly checks user permissions before running database upgrades on a specific site in a multisite network
* New - A `wp.data` store (`acf/fields`) is now available in ACF PRO for reading and writing ACF field values from JavaScript, which can be enabled via a new `acf/settings/enable_datastore` filter (requires WordPress 6.7 or later).
* New - ACF PRO block bindings now support live preview and editing in the block editor, when both the datastore and the `enable_block_bindings` setting are enabled.
* New - ACF PRO can now save metabox field values via Gutenberg's native REST flow with full revision and autosave support when using the datastore.
* New - ACF PRO Blocks can now define their field group inline via an `acf.fields` array in `block.json`, or via a `fields` argument in `acf_register_block_type()`, with field keys auto-generated and scoped to the block
* Fix - Repeater and Flexible Content row helpers no longer trigger a PHP 8.x `TypeError` when `row_index_offset` or the active loop index is non-numeric
* Fix - V3 Blocks with `hideFieldsInSidebar` enabled no longer show fields in the sidebar after the inline toolbar popover is closed
* Fix - Scrollbars no longer appear under the tabs in field groups containing many tabs
* Fix - The `acf/delete-{taxonomy}` ability no longer returns a 501 error when called without an explicit `force` argument, as terms cannot be trashed
* Fix - The `prepare_field_for_ability_import` filter is now correctly removed after each Abilities field group import, preventing subsequent imports in the same request from having values corrupted
* 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
* [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
* 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
* 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
* Fix - Posts with V3 blocks can now be saved without clicking the block
* Fix - Fields in V3 Blocks used as an InnerBlock are now clickable
* Fix - V3 Blocks with a script tag in the render template no longer crash in the editor
* Fix - V3 Blocks with Inline Editing enabled no longer crash the browser tab in some scenarios
* Fix - V3 Blocks with Inline Editing enabled used as an InnerBlock no longer update the field values of the parent block
* Fix - Quickly closing the expanded editor for V3 blocks will no longer prevent field values from being updated
* [View Release Post](https://www.advancedcustomfields.com/blog/acf-6-7-released/)
* 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
* 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
* 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