Quick status update on rc6 with a 23 day uptime on my WRT32X. It's been fast and stable on my 500/35 Mbit cable internet, with SQM cake I get A+ quality/A+ bufferbloat, adblock, usb3 storage w/samba hitting 110 MB/s r/w, nftables, 5GHz wifi, custom fw rules, etc.
I've noticed on my BT hub 5 with the 5ghz non CT firmware and driver installed, that if I override the MAC address (option macaddr) for a 5ghz wireless AP or mesh, sometimes the 5ghz radio is disabled. Seems to happen mostly on mesh points.
This might be relevant from the log:-
Sat Aug 27 12:47:38 2022 daemon.notice hostapd: Configuration file: /var/run/hostapd-phy0.conf (phy wlan0) --> new PHY
Sat Aug 27 12:47:39 2022 kern.warn kernel: [ 9239.699195] ath10k_pci 0000:02:00.0: pdev param 0 not supported by firmware
Also wireless scan and channel analysis in luci fails to complete if a mesh node is enabled.
Save yourself the effort testing it because it's broken with nftables until the commit goes in (provided it fully fixed it) and the next rc. If you really want to mess with it sure then just add the package luci-app-upnp (opkg will add the rest automatically from there), enable it, and use some programs that make upnp requests to the fw. The luci page will always be blank right in rc6 and you can check and confirm that in the logs. If you did your own build with that fix then hopefully it fixed it not sure haven't tested it I'm on rc6.