wp-includes/abilities-api/class-wp-ability-categories-registry.php:181Retrieves a registered ability category.
$slugstringWP_Ability_Category|null public function get_registered( string $slug ): ?WP_Ability_Category { if ( ! $this->is_registered( $slug ) ) { _doing_it_wrong( __METHOD__, /* translators: %s: Ability category slug. */ sprintf( __( 'Ability category "%s" not found.' ), esc_html( $slug ) ), '6.9.0' ); return null; } return $this->registered_categories[ $slug ]; }Introduced in 6.9.0. Unchanged from 6.9.7 through 7.1.0.
Signature, return type and hooks compared across 3 parsed releases.
src/wp-includes/abilities-api/class-wp-ability-categories-registry.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.