$ composer outdated "drupal/*"
Color legend:
- patch or minor release available - update recommended
- major release available - update possible
drupal/core                   9.3.2  9.3.3 Drupal is an open source content management platform powering millions of websites and applications.
drupal/core-composer-scaffold 9.3.2  9.3.3 A flexible Composer project scaffold builder.
drupal/core-dev               9.3.2  9.3.3 require-dev dependencies from drupal/drupal; use in addition to drupal/core-recommended to run tes...
drupal/core-project-message   9.3.2  9.3.3 Adds a message after Composer installation.
drupal/core-recommended       9.3.2  9.3.3 Locked core dependencies; require this project INSTEAD OF drupal/core.
drupal/core-vendor-hardening  8.9.20 9.3.3 Hardens the vendor directory for when it's in the docroot.