Firefox support is tracked on https://boxy-svg.com/ideas/227/firefox-browser-support https://boxy-svg.com/ideas/227/firefox-browser-support, I think it will be

Firefox support is tracked on https://boxy-svg.com/ideas/227/firefox-browser-support https://boxy-svg.com/ideas/227/firefox-browser-support, I think it will be added next year.