Advanced Custom Fields Pro 6.4.0.1

New - An ACF Blocks specific JSON schema for block.json is now available on GitHub
New - Flexible Content fields now show the layout name in the layout's header bar and supports click-to-copy
New - Duplicating Flexible Content layouts now appends "Copy" to their name and label, matching the behavior of field group duplication
Enhancement - ACF PRO will now automatically attempt license reactivation when the site URL changes, e.g. after a site migration. This resolves issues where updates may fail
Enhancement - Presentation setting for "High" placement of the Field Group made clear that it's not supported in the block editor
Fix - acf_format_date now ensures the date parameter is valid to prevent fatal errors if other data types are passed in
Fix - CPTs with a custom icon URL now display the posts icon in the location column of the field groups screen
Fix - The ACF JSON import form will now disable on first submit resolving an issue where you could submit the form twice
Fix - The "Add Row" button in the Flexible Content field now displays correctly when using nested layouts
Fix - Warning and Error notices no longer flicker on ACF admin pages load
i18n - ACF PRO license activation success and error messages are now translatable

Enhancement - ACF Blocks which have not been initialized by the editor will now render correctly
Enhancement - Added a new acf/filesize filter to allow third party media plugins to bypass ACF calling filesize() on attachments with uncached file sizes, which may result in a remote download if offloaded
Enhancement - ACF PRO license status and subscription expiry dates are now displayed on the “Updates” page
Fix - Product pages for WooCommerce version 8.2 or newer now correctly support field group location rules
Fix - Relationship field items can now be removed on mobile devices
Fix - Color picker fields no longer autocomplete immediately after typing 3 valid hex characters
Fix - Field settings no longer appear misaligned when the viewport is something other than 100%
Fix - Select fields without an aria-label no longer throw a warning
Fix - CPTs and Taxonomies with a custom text domain now export correctly when using PHP export

New - Options Pages created in the admin UI can now be assigned as child pages for any top-level menu item
New - Added a "Title Placeholder" setting to ACF Post Types which filters the "Add title" text when editing posts
Enhancement - ACF PRO will now warn when it can’t update due to PHP version incompatibilities
Enhancement - ACF PRO will now work correctly with WordPress automatic updates
Enhancement - The internal ACF Blocks template attribute parser function parseNodeAttr can now be shortcut with the new acf_blocks_parse_node_attr filter.
Enhancement - Removed legacy code for supporting WordPress versions under 5.8
Fix - The "Menu Position" setting is no longer hidden for child options pages
Fix - The tabs for the "Advanced" settings in Post Types and Taxonomies are now rendered inside a wrapper div
Fix - Options pages will no longer display as a child page in the list view when set to a top level page after previously being a child
Fix - Conflict with Elementor CSS breaking the ACF PRO banner
Fix - Errors generated during the block editor’s savePost function will no longer be caught and ignored by ACF