Here's a demo of the Gecko port from some years ago: https://www.youtube.com/watch?v=VE-4b082Upw https://www.youtube.com/watch?v=VE-4b082Upw Most of the code n

Here's a demo of the Gecko port from some years ago: https://www.youtube.com/watch?v=VE-4b082Upw https://www.youtube.com/watch?v=VE-4b082Upw Most of the code needed is still in Gecko's repo at https://searchfox.org/mozilla-central/source/widget/uikit https://searchfox.org/mozilla-central/source/widget/uikit but probably doesn't build anymore. Would not be surprising if someone had an up to date branch in a private tree somewhere though...