Issues found so far for TUF-6500
1) No Asus Instant Guard VPN server support
2) Wireless region settings only got China and Australia, no Asia and other regions
3) Newly found: WAN port only negotiates 1Gbps with my Intel N100 mini PC running virtual pfSense router under PVE 8.2 and not 2.5Gbps. This is a bit strange. I will try OpenWRT virtual router later.
As of now, I will actually recommend Asus TX-AX6000 天选路由器 WiFi 6 (mature, proven performance, with good OpenWRT support) over this TuF-6500 小旋风Pro WiFi 7 even though I believe the issues will be sorted out later.