From the CHANGELOG:
- Feature implement an option (--skip-pg-hba) to skip editing of HBA rules by pg_autoctl (#169)
- Feature implement support for SSL connections (--ssl-mode) (#171)
- Feature implement pg_autoctl drop monitor and drop node --nodename --nodeport (#179)
- Feature implement SSL support with self-signed certificates
- Feature make --auth option mandatory when creating nodes
- Fix error out when the pgautofailover is not in shared_preload_libraries
- Fixes for warnings found in static analysis