Looks like this is fixed in Chrome and Edge by default. In Firefox (release 67.0) you have to dig into about:config and flip the switch on network.IDN_show_puny

Looks like this is fixed in Chrome and Edge by default. In Firefox (release 67.0) you have to dig into about:config and flip the switch on network.IDN_show_punycode (this is discussed in the above demonstration article.)