4 ms·Is it based on the current version? I though it was based on the old XUL based Firefox.by kwhitefoot 3y agoIs it based on the current version? I though it was based on the old XUL based Firefox.zerr 3y agoThey've moved (or still moving?) from XUL to a regular HTML/CSS/JS stack.jraph 3y agoThey are tracking recent versions of Firefox.