Default config makes profile installation dependent on block module

Since alpha2, if I edit minimal.info.yml, adding - bootstrap as a dependency, the installation fails with:

The website encountered an unexpected error. Please try again later.
Drupal\Core\Config\UnmetDependenciesException: Configuration objects (block.block.bootstrap_search) provided by bootstrap have unmet dependencies in Drupal\Core\Config\UnmetDependenciesException::create() (line 89 of core/lib/Drupal/Core/Config/UnmetDependenciesException.php).
Drupal\Core\Config\UnmetDependenciesException::create('bootstrap', Array)
Drupal\Core\Config\ConfigInstaller->checkConfigurationToInstall('theme', 'bootstrap')
Drupal\Core\ProxyClass\Config\ConfigInstaller->checkConfigurationToInstall('theme', 'bootstrap')
Drupal\Core\Extension\ThemeInstaller->install(Array, 1)
Drupal\Core\Extension\ThemeHandler->install(Array)
install_profile_themes(Array)
install_run_task(Array, Array)
install_run_tasks(Array)
install_drupal(Object)