Introduction
React 17 got released a few ago with no new features but still, you need to upgrade your react version because React is developed by the community. So that testing should be done by the community.
Create React App supports React 17
A few days ago create-react-app 4.0 is released with a bunch of improvements including the react-17.
This is a good time to upgrade your react version.
You might know that the react-17 has no features for developers but still, you need to update you existing react version to 17.
No Features? Why Need to Update?
A react is not fully maintained by Facebook, it was also maintained by the tons of developer around the world. It was a community effort, they might do code by sacrificing their weekends, nights of sleep, etc.
When you read the React-17 Changelog you will find 63 improvements/bug fixing. We must be valued their work because we all are in the same community and this how an open-source community works.
3 months ago, Dan Abramov asked us to test the react-17. When that time React-17 was Release Candidate, now it was released officially and got shipped with create-react-app.
If we still not upgrade the React17, it might become a problem for the React Maintainers and for us too.
How to update the react version for an existing app
Just run the npm command
npm install react@17.0.0 react-dom@17.0.0It will upgrade your react version to 17
New Application
For the new application, you don’t need to do anything new. Just run the npx command as usual.
npx create-react-app new-appNow features, then why they release
React 17 has no feature for the developers but it got tones of feature for the React itself.
Few of thems are
- Gradual Upgrades
React 17 enable us to upgrade the whole application or some part.
2. Changes to Event Delegation
In React 17, React will no longer attach event handlers at the document level under the hood.
3. New JSX Transform
React 17 supports new JSX Transform
Conclusion
As the React.JS was developed by the community, the testing should be done
Thank you for reading!
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