Many people commented on how Fibers (which gives you synchronous code in Node.js) breaks compatibility with 99% of npm packages. I'm more interested in performance implications.
Will it cancel "Node.js is really fast, look, it's asynchronous / event based!" argument? What is the practical significance of baking the Meteor team in fibers?
In addition, after deploying a huge rewrite where pages were displayed on the client side, Twitter reversed its decision in favor of serving HTML from the server to improve page load times. What does this mean for Meteor performance limitations (especially when loading the first page)?
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