Didn't Firefox also require the user to install an extension before enabling MIDI support? Edit: I think MDN confirms this, with the asterisk next to Firefox:

Didn't Firefox also require the user to install an extension before enabling MIDI support? Edit: I think MDN confirms this, with the asterisk next to Firefox: https://developer.mozilla.org/en-US/docs/Web/API/Web_MIDI_API#api.navigator.requestmidiaccess https://developer.mozilla.org/en-US/docs/Web/API/Web_MIDI_AP... Edit 2: oh, the tweet shows two prompts, one of them to install the extension, so I suppose that is actually the prompt you're referring to.