[Official Beta release] RT-AX88U WAN Aggregation supported FW

Hi all,

This is Paige, colleague of Wilson D. and Arthur L., from ASUSTek.
Here is the RT-AX88U beta FW(based on 9.0.0.4.384 branch) supporting WAN Aggregation.
For 1st time users, you can set up WAN Aggregation by following the steps in the setup SOP document.

Beta FW and setup SOP download link:
https://drive.google.com/drive/folders/1DHnFgHGtQ180CVDLV8hLUrLVfoNc1_M3

Thanks.