Advanced Custom Fields Pro 6.4.0.1

* Fix - Fixed bug in ACF Blocks causing default "align" property to be ignored.
* Fix - Fixed bug allowing Taxonomy field to save terms to a non "post" object.
* Tweak - Improved User field AJAX query performance.
* Tweak - Improved logic that determines width of Range field input.
* Tweak - Improved styling of ACF Blocks components.
* Dev - Added new "acf/register_block_type_args" filter.
* Dev - Added new generic ACF_Ajax_Query and ACF_Ajax_Query_Users classes.
* i18n - Updated French Canadian translation thanks to Bérenger Zyla.
* i18n - Updated Traditional Chinese translation thanks to Audi Lu.
* i18n - Updated German translation thanks to Ralf Koller.
* i18n - Updated Portuguese language thanks to Pedro Mendonça.

* Fix - Fixed bug in `have_rows()` function causing a PHP warning when no value is found.
* Fix - Fixed bug in Google Maps field causing marker to snap to nearest address.
* Fix - Avoid Nav Menu items displaying twice in WordPress 5.4.
* Tweak - Added place name data to Google Maps field value.
* Tweak - Improved performance of PHP registered fields.
* Dev - Added new "acf/prepare_field_group_for_import" filter.
* i18n - Added Traditional Chinese translation thanks to Audi Lu.
* i18n - Added Catalan translation thanks to Jordi Tarrida.
* i18n - Updated French translation thanks to Maxime Bernard-Jacquet & Bérenger Zyla.

New - Updated admin CSS for new WordPress 5.3 styling.
Fix - Fixed various issues affecting dynamic metaboxes in the block editor (requires WordPress 5.3)
Fix - Fixed performance issue when checking network sites for upgrades.
Fix - Fixed Select2 clones appearing after duplicating a Relationship field.
Tweak - Repeater field "Add row" icons will now hide when maximum rows are reached.
Tweak - Removed ACF Blocks keyword limit for later versions of Gutenberg.