I agree 100% about React - I can't help but think that an editor based upon it could really speed up all the DOM manipulation that holds back every webkit-based

I agree 100% about React - I can't help but think that an editor based upon it could really speed up all the DOM manipulation that holds back every webkit-based desktop app. Re: Web workers, this probably isn't news to you but you can use transferable objects [1] to eliminate the serialization hiccup. Of course, if you're really trying to share objects across threads in real time, rather than transfer data, parse, and fire events, you may have bigger issues. 1. https://developer.mozilla.org/en-US/docs/Web/Guide/Performance/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects) https://developer.mozilla.org/en-US/docs/Web/Guide/Performan...