0.18 Release Notes:

The 0.18 update, includes several patches and Graham dashboards updates. No new features but
IMPORTANT OpenVPN Server configuration update.

Bug Fixes and Improvements:

OpenVPN Server configuration file moved from ~/openvpn-server/config/server.conf to ~/openvpn-server/server.conf, same configuration change done for docker image (file moved to /etc/openvpn/server.conf)
Webinstall fixed to work with default example.config.xml flawlessly. Now you don'r have YAML2 error.
Docker Images Rebuild
Many docker images were rebuild.
OpenVPN-ui
Several important bugfixes and new features has been included.

SAMBA Server for sharing files and accessing your torrents over the local network.
OpenVPN and OpenVPN-UI
OpenVPN Client container to route desired containers traffic via external OpenVPN server connection.
WireGuard - an extremely simple yet fast and modern VPN server + Web UI
Unbound DNS as the fastest validating, recursive and caching DNS resolver.
PiHole - Network-wide Ad Blocking solution, optionally can be paried with Unbound-DNS as upstream DNS server or
Technitium-dns - Self host DNS server. For blocking ads & malware at DNS level for your entire network.
qBittorrent - an open-source software alternative to µTorrent
Portainer - a lightweight universal management GUI for all Docker and K8s
Prometheus + Grafana with Grafana public dashboards feature enabled
Node-exporter - standard Linux server monitoring (CPU,RAM,I/O,FS,PROC)
Blackbox-exporter - desired sites availability exporter
Speedtest-exporter by MiguelNdeCarvalho - provides Upload/download speed and latency
OpenVPN-exporter - OpenVPN Server activity monitoring
rpi_exporter - Prometheus exporter for Raspberry Pi hardware metrics
cAdviser instance - Analyzes resource usage and performance characteristics of running containers

Full Changelog: 0.17...0.18