Voting starts in March for the Drupal Association Board election.
If you delete shipped configuration and create a new configuration object with the same name,
\Drupal\locale\LocaleConfigManager::updateConfigTranslations(), which gets called when installing modules or themes, deletes translations of that configuration in some cases. This constitutes data loss, thus, this is marked critical.
_core key in configuration files for core data storage. Modules should not conflict with that. During installation of configuration add the default configuration hash to configuration files under the
default_config_hash key under
_core, which is a hash of the default configuration used during installation. This means we can determine if a piece of configuration is based on default configuration or not and compare if it is still based on the default configuration we have.
Upgrade path in.
User interface changes
Data model changes
_core key added to configuration for storing core managed values.