releasenotes/notes/Switch-keystone's-default-token-provider-to-fernet-2542fccb5a588852.yaml

   1 ---
   2 features:
   3   - Keystone's default token provider is now fernet instead of UUID
   4 upgrade:
   5   - When upgrading, old tokens will not work anymore due to the provider
   6     changing from UUID to fernet.