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March 2019 Update

Olivier Tassinari

April 5, 2019

Here are the most significant changes in March:

  • We have removed the old styles modules 💅. Be aware of the difference between @material-ui/core/styles and @material-ui/styles.
  • The community has helped us to add many TypeScript demo variants. In order to minimize the overhead of handling two variants per demo (JavaScript & TypeScript), the JavaScript variant is generated from the TypeScript variant. If you are using TypeScript, you can ignore the .propTypes = assignations.
  • We have migrated a few demos from the withStyles() API to the makeStyles() API. If you are wondering which you should use, we would encourage the use of makeStyles() where possible. withStyles() is interesting for overriding component styles or for handling legacy class logics.
  • We have made the Box API stable 🥳.
    -import { unstable_Box as Box } from '@material-ui/core/Box';
    +import Box from '@material-ui/core/Box';
  • We have committed to a new Roadmap (prioritized) for the next 6 months.
  • We have migrated 50% of the codebase from the Classes API to the Hooks API. Once we are done with this task we can remove the internal usage of higher-order components.
  • We have introduced a simplified server-side rendering API, inspired by styled-components.

Our roadmap intent for April

(We'll do our best, no guarantee!)

  • We are almost done with the v4.0.0-alpha breaking changes. You can already find the upgrade path from v3 to v4 in the documentation. Next, we will release the first beta version (no more breaking changes). The results of the Material-UI developer survey suggested that there are too many breaking changes. Don't worry, it's almost over! We will focus on providing more components once we have released v4 stable.
  • We will continue, and hopefully complete, the tasks we undertook:
    • TypeScript demo variants.
    • Migration from Classes to Hooks, removal of unnecessary internal components.
    • Removal of findDOMNode(), support of StrictMode, forward of references.

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