![](https://www.bram.us/wordpress/wp-content/uploads/2020/08/records-tuples-react.png)
Covered here before are Records and Tuples, two Immutable Datastructures most likely coming to JavaScript. Sebastien Lorber takes a look at how these will improve React. A whole category of React bugs are related to unstable object identities: Performance: can trigger re-renders that could be avoided Behavior: can trigger useless effect re-executions, and lead to …