Let me add the Changelog
6.3.1.2 Release Date 6th June 2024
PRO Only Release
Fix - ACF Blocks in widget areas no longer cause a fatal error when no context is available
Fix - ACF Blocks with no fields assigned no longer show a gap in the sidebar where the form would render
6.3.1.1 Release Date 6th June 2024
PRO Only Release
Fix - Repeater and Flexible Content fields no longer error when duplicating or removing rows containing Icon Picker subfields
Fix - ACF Blocks containing Flexible Content fields now correctly load their edit form
Fix - ACF Blocks no longer have a race condition where the data store is not initialized when read
Fix - ACF Blocks no longer trigger a JS error for blocks without fields and with an empty no-fields message
Fix - ACF Block preloading now works correctly for fields consuming custom block context
Fix - ACF Block JavaScript debug messages now correctly appear when SCRIPT_DEBUG is true
6.3.1 Release Date 4th June 2024
Enhancement - Options Pages registered in the UI can now be duplicated
Fix - ACF Block validation now correctly validates Repeater, Group, and Flexible Content fields
Fix - ACF Block validation now correctly validates when a field is using a non-default return type
Fix - Fields moved between field groups now correctly updates both JSON files
Fix - Icon Picker fields now render correctly when using left-aligned labels
Fix - Icon Picker fields no longer renders tabs if only one tab is selected for display
Fix - Icon Picker fields no longer crash the post editor if no icon picker tabs are selected for displayed
Fix - True/False field now better handles longer On/Off labels
Fix - Select2 results loaded by AJAX for multi-select Taxonomy fields no longer double encode HTML entities
