WordPress development version (5.9-beta4-52419)
PHP Fatal error: Uncaught Error: Call to undefined function gutenberg_get_template_type_slugs()
change to array_keys( get_default_block_template_types() );
You can now select a block group with an element name
| /section | wp-block-group using section element |
| /aside | wp-block-group using aside element |
| /div | wp-block-group using div element |