@TP-Link after trying this new firmware and seeing how ineffective it was to resolve this matter, I ended up selling my 3rd node and relying on only 2 moving forward. There's no point to have...

@Esker I was excited about the upgrade but like many on this thread. My 3rd node will not stop connecting to the main node. Even with the Network Optimization it does not work.

@TP-Link hi, I sent a DM to get the beta firmware link. Thanks!

@DiceKey I have the same problem and moving closer to the nearest node (node1) doesn't help cause that means I have to unplug node2 and closer to node1 still connects to master node. There really...