# Changelog

## v1.4.2
- Adjust default DNS probe interval from 10s to 15s
- Fix EINTR handling in poll(2) loop on SIGHUP reload

## v1.4.1
- Add IPv6 dual-stack support for TCP connect probes
- Emit monotonic timestamp in JSON status line

## v1.4.0
- Add systemd unit hardening options
- Support custom interface binding via --source-if