@David-TP thank you for that. My X73 is remote from where I normally live so I depend on updating firmware via the app. It's not showing as available in the app here in Australia. 
 

The main issue I had with the old firmware is that the X73 can "lose" clients on the network map. The clients remain connected, but the X73 can't tell which mesh node they're connected to. So they get listed as "unknown deco" under the X73's own client list. I wonder if that was fixed. 

  @David-TP thanks.  I've never enabled Fast Roaming owing to the warnings about compatibility in the user guide.  I don't want to disable Mesh Technology though - I need that!

Ironically the last time the X73 "lost" a couple of clients and listed them under "Unknown Deco", those clients were both TP-Link products.  A Tapo P300 power board and a Tapo C110 camera.

It doesn't seem to stop the unit operating properly, and a reboot fixes it straight up.  I'll see if the new firmware fixes it.  Otherwise it's more an issue for you than me!

I've previously requested an AU firmware to enable the full range of wifi channels and transmission power, so the X73 won't be holding back the X50 (US) mesh points I connect to it.  But I'll probably die before that happens!

  @David-TP 

I have both a X73-DSL and an X95. The X95 is the main router and the X73-DSL is an Access point with hardwired ethernet backhaul.

My deco app reports that the X73-DSL has an available update for 1.1.0 Build 20250919 (current version 1.0.12 Build 20240517). However, each time I go through the process of downloading and updating the firmware through the app, it says it was successfully updated, once the X73-DSL has rebooted, it still shows at version 1.0.12 Build 20240517 and the upgrade is apparently available again. I have tried this multiple times with no resolution.