In short, yes it is. Upon thorough testing, we are happy to announce that the most recent DADman version for macOS (v. 5.6.9.1) is working with macOS Ventura (13), as well as Monterey (12), Big Sur (11), Catalina (10.15), Mojave(10.14), High Sierra (10.13), and Sierra (10.12).
Please note! DADman 5.6.9.1 supports the new M1-based Mac computers, as well as any Intel-based Mac.