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Ah, wasn't aware. Good to know. Well, I never did get Immutable.js to play nicely with Flow which is kind of why I gave up on Flow.

I wondered if you might have something to say on performance issues. You didn't encounter anything of that sort?

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Performance was the main reason we switched over. We found using Immutable objects to be the key to a performant UI when using something like React that's diffing your props every render loop.

So you would have your props be Immutable.js objects? I wasn't sure if doing that would be a good idea but sounds like that has worked out for you.

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