In case you need to set the locale based on the user's preferences, you MUST implement your own event listener, for that you can follow https://symfony.com/index.php/doc/4.4/session/locale_sticky_session.html#setting-the-locale-based-on-the-user-s-preferences
This bundle no longer supports doctrine/phpcr-odm, the implementation was based on having installed
sonata-project/doctrine-phpcr-admin-bundle which has been abandoned and do not support newer versions of
sonata-project/block-bundle and sonata-project/admin-bundle.
All the deprecated code introduced on 3.x is removed on 4.0.
Please read 2.x upgrade guides for more information.
See also the diff code.