* New - Custom Post Type and Taxonomy registration support via the ACF Admin UI. View the release post for full information

* New - A new field type selection browser providing details on each type of field. View the release post for full information

* New - PHP 8.1 and 8.2 support

* Enhancement - Post Object, Page Link and Relationship fields now support filtering by post status

* Enhancement - Checkbox fields which allow custom entries can now be filtered to set custom text for the “Add New Choice” button via the `custom_choice_button_text` property

* Fix - ACF Block field edit view buttons now work correctly inside reusable blocks

* Improvement - JavaScript initialization performance while editing large field groups has been improved, especially in Safari

* Improvement - Tooltips for field settings are now shown as inline instructions

* Improvement - Saving a field group is now disabled until a field group title has been entered

* Improvement - Additional sanitization across various internal parts of the plugin

* Fix - Dragging and dropping a field in no longer opens the field settings in Firefox

* Fix - Copying the field name or key to the clipboard now works as expected for new or reordered fields, and subfields

* Fix - Saving a field group will now temporarily disable the "Save Changes" button while saving

* Fix - Block templates that include html comments as the first DOM element no longer crash the block editor on edit

* Fix - Block templates that include InnerBlocks on the DOM’s first level no longer trigger JS warnings

* Fix - Block templates that render other blocks now correctly render their InnerBlocks

* Fix - Legacy block attribute values are no longer overwritten by blank defaults of new versions

* Fix - Paginated Repeater fields now work with non-paginated Repeaters as subfields

* Fix - Repeater pagination is now properly disabled while inside blocks

* Fix - REST API no longer causes a PHP warning if `$_SERVER['REQUEST_METHOD']` is not defined

* Fix - REST API now supports integer keys for the Select field

* Fix - REST API now supports passing `null` to Image and File fields

* Fix - Invalid ACF meta keys no longer cause a fatal error when retrieved with `get_fields()`

* a11y - The Relationship field is now fully accessible for keyboard navigation

* i18n - Select dropdown arrow is now aligned correctly in RTL languages

* i18n - Radio buttons are now aligned correctly in RTL languages

* Security Fix - ACF shortcode security fixes detailed [here](https://www.advancedcustomfields.com/blog/acf-6-0-3-release-security-changes-to-the-acf-shortcode-and-ui-improvements/#acf-shortcode)

* Improvement - Field names and keys now copy to clipboard on click, and do not open a field

* Fix - The field type input now has default focus when adding a new field

* Fix - ACF no longer publishes `h1`, `h2` or `h3` CSS classes outside of the ACF admin screens

* Fix - Conditional field settings now work correctly across different tabs

* Fix - The field list for sub fields are now full width

* Fix - ACF admin notices now display with correct margin

* Fix - Admin CSS improvements when using ACF in an RTL language

* Fix - Clone fields now have the presentation tab for setting wrapper properties when in group display mode

* Fix - Appended labels on field settings will now be displayed in the correct place

* Accessibility - The move field modal is now keyboard and screen reader accessible

Improvement - Field group and field rows no longer animate on hover to reveal the action links

Fix - Field order is now saved correctly when fields are reordered

Fix - WordPress notice styles outside of ACF's admin screens are no longer affected by the plugin's CSS

* Improvement - ACF's header bar inside our admin pages is no longer sticky

* Improvement - ACF's admin pages no longer use a custom font

* Fix - Duplicating flexible content layouts now works correctly

* Fix - ACF CSS classes no longer target translated class names for sub pages, resolving issues when using ACF in a language other than English

* Fix - ACF no longer reactivates when using WPML with different domains per language

* Fix - i18n - Labels for some field settings no longer break onto multiple lines in languages other than English

* Fix - Radio field types no longer generate a warning in logs due to invalid parameter counts

* Fix - True/False field focus states no longer apply outside ACF admin screens

* Fix - Focus states for many field types no longer show when interacting with a mouse input

* Fix - ACF 6’s new Tab background colors no longer apply outside ACF admin screens, increasing readability

* Fix - User fields named “name” no longer have a different label presentation view

* Fix - Changing field types with subfields no longer removes those fields when switching field type and back

* Fix - Resolved a potential fatal error if a third party plugin sets the global `$post_type` something other than a string

* Fix - Tooltip alignment is no longer incorrect inside subfields

* Fix - Resolved a potential JS error when third party plugins modify the metabox sort order

Security Fix - Inputs for basic file uploads are now nonced to prevent an issue which could allow arbitrary file uploads to forms with ACF fields (Thanks to James Golovich from Pritect, Inc.)

* Fix - Cloned fields in custom named options pages now behave correctly

* Fix - Default values and the `acf/load_value` filter are now applied if a field value load [fails security validation](https://www.advancedcustomfields.com/resources/acf-field-functions/#non-acf-data)

* Fix - The ACF field is no longer present in REST responses if the ACF REST API setting is disabled

* Fix - Duplicating a flexible content layout or repeater row now also replaces the field ID in `for` attributes

* New - REST API now supports the comment route for displaying ACF fields.

* Fix - ACF now validates access to option page field values when accessing via field keys the same way as field names. [View More](https://www.advancedcustomfields.com/resources/acf-field-functions/#non-acf-data)

* Fix - REST API now correctly validates fields for POST update requests

* Fix - Fixed an issue where invalid field types caused an error during REST API requests

* Fix - Fixed a PHP warning when duplicating an empty field group

* Fix - Fixed a bug preventing block duplication detection changing an ACF Block’s ID if it was nested deeper than one level inside another block

* Fix - Fixed a bug where the `acf-block-preview` wrapper might not appear around a block if it was saved in edit mode

* i18n - Updated several translations from user contributions (Thanks to Dariusz Zielonka, Mikko Kekki and Alberto!)

* Fix - Fixed several Select2.js conflicts with other plugins

* Fix - Fixed an issue where block name sanitization could change valid block names containing double hyphens

* Fix - Fixed an issue where blocks with integer IDs could fail to load example field data

Fix - Fixed a bug when accessing field values for options pages registered with a custom post_id

* Enhancement - Added "acf/admin/license_key_constant_message" filter to allow changing of the "Your license key is defined in wp-config.php" message

* Fix - Added warning for when get_field() or similar functions are called before ACF has initialized. [Learn more](https://www.advancedcustomfields.com/resources/acf-field-functions/)

* Fix - Fixed fields not appearing on user REST API endpoints if their field group location was set to a user form other than "all"

* Fix - Fixed warning in REST API if a custom field type did not have the "show_in_rest" property

* Fix - Fixed an error that could occur if value of WYSIWYG field was not a string

* New - Fields can now be viewed and updated with the WordPress REST API (props @mishterk)

* New - License key can now be defined in code with the "ACF_PRO_LICENSE" constant

* Enhancement - Improved error handling for expired or deactivated licenses

* Enhancement - Improved support for various block editor features, such as block styles and padding/spacing

* Enhancement - Added support for using WordPress "Screen Options" to hide field groups in Classic Editor

* Enhancement - Support filters adding custom classes on date and time field inputs

* Enhancement - Support filtering ACF shortcode attributes (with the "shortcode_atts_acf" filter)

* Fix - Removed usages of PHP "extract()" function

* Fix - Fixed a security issue with user field

* Fix - Fixed a security issue with "acf_get_value()"

* Fix - Correctly set ".acf-block-preview" wrapper when previewing a block in auto mode

* Fix - Resolved an issue with select2 rendering for nav menu fields

* Fix - Fixed an issue with file validation that occurred when removing a file that failed validation

* Fix - Fixed a notice in "acf_prepare_field()"

* Fix - Prevented an issue where setting an empty string for the return format of date and time fields would cause JS errors

* Fix - Fix issues with conditional logic for multi-select fields (props @bhujagendra-ishaya)

* Fix - Added support for Google Maps schema change which prevented Google Maps fields from correctly saving the city for some areas

* Fix - Fixed an issue where removing the collapsed property of a repeater prevents viewing previously collapsed rows

* i18n - Updated Polish Translations (props @webnatural)

* Dev - Formatted JavaScript to WordPress code standards

* Fix - Fixed block duplication issues which created blocks with duplicate block IDs

* Fix - Fixed an issue with ACF errors displaying in the media library outside of ACF fields

* Fix - Changed label of "Enable Opacity?" to "Allow transparency" in the colour picker

* Fix - Revert "style" attributes of ACF Blocks to 5.9.x behaviour for template compatibility

* Fix - Allow safe HTML inside select2 field labels

* Fix - Don't render the "acf-block-preview" div when preloading blocks in edit mode

* Fix - Fixed conflict with WooCommerce loading SelectWoo which is not directly compatible with Select2.

* Enhancement - Improved security by running all user-generated content through `wp_kses()` by default

* Enhancement - New ACF Blocks features

    * Switched to v2 of the Blocks API for WordPress 5.6+

    * Block preloading now enabled by default

    * Block preloading now supports blocks set to "Edit" mode

    * Add support for full height alignment setting

* Enhancement - Added setting to color picker field to enable an opacity slider

* Enhancement - Allow deletion of first field group location rule if multiple rules have been added thanks to Arthur Shlain

* Fix - Fixed vulnerability with `acf_shortcode()` where users with subscriber role could view arbitrary ACF data, thanks to Keitaro Yamazaki

* Fix - Fixed vulnerability where users with subscriber role could move fields and view field groups, thanks to Keitaro Yamazaki

* Fix - Fixed issue where fields in legacy widgets weren't saving in new widget block editor

* Fix - Fixed issue with custom field validation in scheduled posts

* Fix - Fixed warnings thrown by clone field if the cloned field group is empty

* Fix - Fixed issue where Select2 search input wouldn't have focus in WordPress 5.8+

* Fix - Fixed issue with Select2 value sorting when Yoast SEO is installed

* Fix - Fixed deprecation warnings in block editor in WordPress 5.6+

* i18n - Updated Swedish translation thanks to Erik Betshammar