# Facebook announces React Fiber, a rewrite of its React framework

**URL:** <https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466>\
**Category:** news\
**Created:** [April 19, 2017, 11:24pm UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466 "2017-04-19T23:24:56Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![senocular](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/senocular/32/7217_2.png) [@senocular](https://forum.kirupa.com/u/senocular)\
**Post date:** [April 19, 2017, 11:24pm UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466/1 "2017-04-19T23:24:58Z")

</div>

> **[Facebook announces React Fiber, a rewrite of its React framework | TechCrunch](https://techcrunch.com/2017/04/18/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/)**
>
> Facebook has completely rewritten React, its popular JavaScript library for building user interfaces. The company hasn't previously talked about React Fiber, as the project is called, but it has actually been working on it for a while. In addition,...

It’s interesting that its:

> … an updated framework that is still fully backwards compatible with existing React-based applications.

So it sounds like a drop-in replacement for the previous incarnation which is now even more “responsive”!

---

<div class="post-metadata">

**Author:** ![kirupa](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kirupa/32/11616_2.png) [@kirupa](https://forum.kirupa.com/u/kirupa)\
**Post date:** [April 20, 2017, 6:23pm UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466/2 "2017-04-20T18:23:53Z")

</div>

This looks really great. New APIs but old ones _mostly_ work is a good thing. Definitely not like the Angular 1 to Angular 2 😛

Have they mentioned anything about timeline? My guess is 6 months out!

---

<div class="post-metadata">

**Author:** ![senocular](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/senocular/32/7217_2.png) [@senocular](https://forum.kirupa.com/u/senocular)\
**Post date:** [April 20, 2017, 8:00pm UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466/3 "2017-04-20T20:00:13Z")

</div>

[http://isfiberreadyyet.com/](http://isfiberreadyyet.com/)

---

<div class="post-metadata">

**Author:** ![TheCanadian](https://avatars.discourse-cdn.com/v4/letter/t/67e7ee/32.png) [@TheCanadian](https://forum.kirupa.com/u/TheCanadian)\
**Post date:** [April 21, 2017, 12:55am UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466/4 "2017-04-21T00:55:11Z")

</div>

That’s an interesting progression: it’s 99% ready and then they decide to start making it less ready…

---

<div class="post-metadata">

**Author:** ![senocular](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/senocular/32/7217_2.png) [@senocular](https://forum.kirupa.com/u/senocular)\
**Post date:** [April 21, 2017, 11:03am UTC](https://forum.kirupa.com/t/facebook-announces-react-fiber-a-rewrite-of-its-react-framework/636466/5 "2017-04-21T11:03:34Z")

</div>

Two steps forward one step back.  
(because opposites, react… _rimshot_)