> it will periodically drop your cable connection to check if wifi is good I don't know when you encountered that behavior, but NetworkManager has for a long t

> it will periodically drop your cable connection to check if wifi is good I don't know when you encountered that behavior, but NetworkManager has for a long time handled wired and wireless as two independent connections; it just sets routing priority to prefer wired if available. I believe you that you observed that behavior, but to the best of my knowledge this does not match any current behavior of NM.