I'd be interested in reading about this too. A superficial and perhaps temporary difference is "for performance and size reasons baobab does not (yet?) use an

I'd be interested in reading about this too. A superficial and perhaps temporary difference is "for performance and size reasons baobab does not (yet?) use an immutable data structure", whereas immstruct wraps immutable-js. I'm curious if there are other differences though because at first glance they seem to be separate implementations of similar ideas.