Sure. Sorry for not sharing as I assume you thought it'd be the latest. So the RT-AC88U is running version 386.14_2 and the RT-AX88U version 3004.388.9_2 . No AiMesh activated. Long passphrase with spaces and special characters.
Additionally there was no ill intent from his side and it just...
Just chilling and sharing a beer with him, and he then askied me if he could use my wifi network. He lives across the street. I tell him I can set up a guest network on my RT-AC88U to which he replies 'oh don't worry I can get your wifi password just like this on my iPhone' and with 2 clicks...