<h2>New functions</h2>
Batch builders
  locale_translation_batch_update_build($projects = array(), $langcodes = array(), $options = array())
Batch operation callbacks for download and import. locale_translation_batch_fetch_*()
  locale_translation_batch_fetch_build($projects = array(), $langcodes = array(), $options = array())
  locale_translation_batch_fetch_download($project, $langcode, &$context)
  locale_translation_batch_fetch_finished($success, $results)
  locale_translation_batch_fetch_import($project, $langcode, $options, &$context)
  locale_translation_batch_fetch_sources($projects, $langcodes, &$context)
  locale_translation_batch_fetch_update_status(&$context)
Translation file history CRUD for load update and delete
  locale_translation_get_file_history(), 
  locale_translation_update_file_history($file), 
  locale_translation_file_history_delete($projects = array(), $langcodes = array()))
Clear project cache
  locale_translation_clear_cache_projects()
Changed format of {locale_files} table

<h2>Removed functions</h2>
locale_translate_add_language_set_batch($options) 
  replaced by  locale_translation_batch_update_build()
locale_translate_update_file_history($file)
  Replaced by locale_translation_update_file_history($file)
locale_translation_status()
  Replaced by locale_translation_status_form()
locale_translate_batch_import_files($options, $force = FALSE)
  Will come back again in [#1848490]

<h2>Changed function parameters</h2>
Use file object instead of file url for gettext import batch operation:
  -function locale_translate_batch_import($filepath, $options, &$context)
  +function locale_translate_batch_import($file, $options, &$context)
Check and fetch (download/import) batches are now called with arrays of projects & languages
  -function locale_translate_delete_translation_files($langcode)
  +function locale_translate_delete_translation_files($projects = array(), $langcodes = array())
  -function locale_translate_get_interface_translation_files($langcode = NULL)
  +function locale_translate_get_interface_translation_files($projects = array(), $langcodes = array())
  -function locale_translation_batch_status_build($sources)
  +function locale_translation_batch_status_build($projects = array(), $langcodes = array())
  -function locale_translation_check_projects($projects, $langcodes = NULL)
  +function locale_translation_check_projects($projects = array(), $langcodes = array())
  -function locale_translation_check_projects_batch($projects, $langcodes = NULL)
  +function locale_translation_check_projects_batch($projects = array(), $langcodes = array())
  -function locale_translation_check_projects_local($projects, $langcodes = NULL)
  +function locale_translation_check_projects_local($projects = array(), $langcodes = array())
Get project data per (array of) project(s)
  -function locale_translation_get_projects()
  +function locale_translation_get_projects($project_names = array())