Latest firmware 4.2.0 , what appears to be from Germany as set in Wireless regulatory (DE)
Channel 161 is visible which shouldn’t be, it’s not functional and halts the entire wireless function.
Tailscale subnet does not advertise to Tailscale.
Samba File sharing is not working with v2/v3 options.
DLNA works fine.

Edit: Just tested out WebDAV with external HDD, managed to do 800Mbit with EXT4 over Wi-Fi, very impressive.