The new beta firmware Build 9.0.0.4 380 2695 brings AiProtection real-time network monitoring to detect malware, viruses and other intrusions before it reaches your PC or connected devices which data base provided by Trend Micro. Also, you can schedule times that a connected device is able to access the Internet. You can also restrict unwanted websites and apps.
These two features were first introduced on ASUS RT-AC87U router.
To update your router, you can manually download the beta firmware here.