Digging into ACF Blocks for the Block Editor - YouTube
ACF | acf_register_block_type()
ACF Block with Innerblocks · GitHub
How to Create a Testimonial Block with ACF Blocks - YouTube
ACF Pro 6.0.0-RC1 - can't edit InnerBlocks until you enter and exit the block's Edit mode (regression from beta 1) · Issue #700 · AdvancedCustomFields/acf · GitHub