@PeaSea I run tpPLC on a Mac Mini - Apple M4 Pro, and on a MacBook Apple M5 Pro. These both run Tahoe 26.5.1 at present.

Not so much a problem with the Powerline device - but a heads up about the MacOS version of tpPLC used to manage them. The downloadable version of tpPLC was created for an old MacOS version, and only...