This is the first Alpha Release for the Search API Saved Searches module’s Drupal 8 version.
As an pre-stable release, this module version is not yet covered by the Drupal Security Team. Security-relevant issues might be disclosed and worked upon publically. It is therefore not recommended to use this release in production.
Furthermore, Alpha releases are still subject to API-breaking changes, or changes without a proper data updade path. So they should only be used for evaluation purposes. You might need to re-install the module completely when updating to a newer version.