Followed install directions received the following:
Package doctrine/reflection is abandoned, you should avoid using it. Use roave/better-reflection instead.
Package sonata-project/datagrid-bundle is abandoned, you should avoid using it. No replacement was suggested.
Package zendframework/zend-config is abandoned, you should avoid using it. Use laminas/laminas-config instead.
Package zendframework/zend-stdlib is abandoned, you should avoid using it. Use laminas/laminas-stdlib instead.
Package phpunit/php-token-stream is abandoned, you should avoid using it. No replacement was suggested.
Package symplify/auto-bind-parameter is abandoned, you should avoid using it. Use symplify/package-builder instead.
Package symplify/parameter-name-guard is abandoned, you should avoid using it. No replacement was suggested.
Package symplify/set-config-resolver is abandoned, you should avoid using it. No replacement was suggested.
Package webmozart/path-util is abandoned, you should avoid using it. Use symfony/filesystem instead.
Followed install directions received the following: Package doctrine/reflection is abandoned, you should avoid using it. Use roave/better-reflection instead. Package sonata-project/datagrid-bundle is abandoned, you should avoid using it. No replacement was suggested. Package zendframework/zend-config is abandoned, you should avoid using it. Use laminas/laminas-config instead. Package zendframework/zend-stdlib is abandoned, you should avoid using it. Use laminas/laminas-stdlib instead. Package phpunit/php-token-stream is abandoned, you should avoid using it. No replacement was suggested. Package symplify/auto-bind-parameter is abandoned, you should avoid using it. Use symplify/package-builder instead. Package symplify/parameter-name-guard is abandoned, you should avoid using it. No replacement was suggested. Package symplify/set-config-resolver is abandoned, you should avoid using it. No replacement was suggested. Package webmozart/path-util is abandoned, you should avoid using it. Use symfony/filesystem instead.