= 6.6.2 =
*Release Date 29th October 2025*
* 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