Drupal 7 did not differentiate base language features from interface translation and in many cases content language assignment and config translation. The plan for Drupal 8 is to have a dedicated language.module as well as APIs that support working with the base language system. Major parts of this include:
Language awareness (assignment) is moving to the respective modules, so for example node module can take language in itself when language functionality is enabled.
See all these issues also at http://drupal.org/project/issues/search/drupal?issue_tags=language-base%2C+D8MI&issue_tags_op=and. This view of issues is automatically cached and might be out of date up to two hours at times.
See all these issues also at http://drupal.org/project/issues/search/drupal?issue_tags=language-base%2C+D8MI&issue_tags_op=and. This view of issues is automatically cached and might be out of date up to two hours at times.