- Improve exit code for message sending.
Exit with 0 status code if the message was sent successfully to at least
one recipient, otherwise exit with status code 2 or 4 (for untrusted).
-- Download profiles in parallel for improved perfomance
+- Download profiles in parallel for improved performance
- `--verbose` flag can be specified multiple times for additional log output
- Enable more security options for systemd service file
- Rename sandbox to staging environment, to match the upstream name.