I'm using immutable.js with my flux application. It is very useful and gives performance boost. But what actually makes me sad is the fact that I can't use lodash together with it. Lodash provides great API with ton of useful functions, so I wonder maybe there is a way to get them together to work for me?
I've recently written a Lodash wrapper providing Immutable.JS support called mudash. Most of the major Lodash functions are supported with more being added regularly.