* 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.)