As of a week ago their pre-alpha version was capable of running my extremely heavy JS+ SVG + worker thread + SSE app, a bit slowly I admit but correctly in all major exercises I tried. So, I'm optimistic. They're doing great.
Separately I wonder if the compatibility job is easier now that you can just give the HTML5 spec to Fable and Bob's your uncle.
Separately I wonder if the compatibility job is easier now that you can just give the HTML5 spec to Fable and Bob's your uncle.