Create hidden network with EspruinoWifi

Hi everybody,

Based on the documentation and what I can see in the GitHub repository it looks like I should be able to create a hidden wireless network, but in practice it never seems to work? I'm using the EspruinoWiFi with firmware version 2.0.

According the documentation here it looks like I should be able to pass hidden: 1 as an option to create a hidden network. My code looks like this:

const wifi = require("Wifi");

wifi.startAP("My Secret Network", {
    "authMode": "open",
    "password": "12345678",
    "hidden": 1
}, (err) => {
    console.log(err);
});

It uploads fine and the network is created, but I'm able to see it from literally every device I own (iPhone, Android phone, tablets, macOS laptops, Windows...).

Am I doing something wrong? Or do I have an incorrect assumption surrounding how this is supposed to work? I've tried replacing hidden: 1 with hidden: true and hidden: "1" but none of that seems to make a difference.