I have emailed both the Italy and UK TS emails. Waiting for a reply.

I think this sums it up, from the TP web site for contacting support..... Notice anything about the email address.

@Alexmesh Hi Alex Great to get some feedback, and some confirmation that I have not lost my sanity. How did you manage to get 'custom' firmware, what communication path did you follow to get a real...

Another day of video calls ruined by the dismal performance of the TP mesh. Patience running out. If TP can not acknowledge and clearly indicate when a fix/improvement for this behavior is coming,...

Here is a screen shot showing the stupidity of the current routing software. The workshop is 40m away from the house but rather than use the power line, it ends up using the wifi.

I followed the instructions as suggested (factory reset everything and start again). Indeed for a good hour all the Nodes showed PLC+Wifi, and all was good with the world. Alas it did not last, now...