Kevin Sloan

> The main property-setting code in track() is non-mutating (https://github.com/mixpanel/mixpanel-js/blob/master/src/mixpanel-core.js#L1090-L1095), @tdumitrescu, that's not where the problem is... `properties` is clearing being mutated here https://github.com/mixpanel/mixpanel-js/blob/master/src/mixpanel-core.js#L1066-L1067 mixpanel.track should be creating a copy...

Still having this problem

@george-kar any news on this feature? Would love it!

I'm positive it's not the partial re-render because it's happening on deploy, and on first build. I will try and create an example repo soon.

We're using redux-logic at [Zensurance](https://www.zensurance.com/). Redux-logic enforces great structure for our async action handlers while allowing us to do async any way we want. The validation hooks are essential for...