🐛 Bug Report

Inverse patches saved after changing Date object result in null value when applied.
Not sure if it's a bug or I'm missing something. I found this in the docs, but I'm not mutating Date object.

Link to repro

https://codesandbox.io/s/immer-sandbox-bnqgf

To Reproduce

Reproduction available i

Feature request

Is your feature request related to a problem? Please describe.

Currently I need a lock variable for distrubuted states (same [here](https://github.com/mobxjs/mobx-st

Hi,

I'd like to start by saying kudos for the AMAZING work with this project and massive improvement over MST. You deserve many pats on the back!

I have a small project so far (~3k LOC on the client) and am wondering how easy it would be to switch from MST. It would be very helpful and reassuring for anyone who is considering the switch to have some sort of migration guide (like a blog post

We wish to improve the documentation. Any help is welcome!