github mui-org/material-ui v4.10.2

June 11, 2020

⚠️ This release marks the end of the active development on the v4.x versions, after 18 months of development.
We are moving all ongoing efforts to v5 (next branch) ✨.
This means a feature freeze on v4. The development of this version will be limited to important bug fixes, security patches, and easing the upgrade path to v5.

You can follow our progress on the v5 milestone. We will make the documentation of the v5 alpha releases available under, starting next week (weekly releases, as usual).

Big thanks to the 19 contributors who made this release possible. Here are some highlights ✨:

  • Introduce a new Timeline component (#21331) @mnajdova.
    You can find the component in the lab.

  • Simplify the theme overrides with TypeScript for the components in the lab (#21279) @CarsonF.

In order to benefit from the CSS overrides with the theme and the lab components, TypeScript users need to import the following types. Internally, it uses module augmentation to extend the default theme structure with the extension components available in the lab.

  // 1. augment the theme
  import type '@material-ui/lab/themeAugmentation';

  // 2. override
  const theme = createMuiTheme({
    overrides: {
      MuiTimeline: {
        root: {
          backgroundColor: 'red',
  • Minify error messages in production (#21214) @eps1lon.

Using the React error decoder as inspiration, the exceptions thrown by Material-UI in production are now minified.
You will be redirected to the documentation to decode the error.


  • [Checkbox] Fix custom icon fontSize prop support (#21362) @kn1ves
  • [Dialog] Fix dialog children being announced as clickable (#21285) @eps1lon
  • [Select] Improve native validation, autofill, and testability (#21192) @netochaves
  • [Stepper] Always pass state props to connector (#21370) @baterson
  • [Stepper] Only render label container if a label exists (#21322) @Floriferous


  • [Autocomplete] Fix scroll reset after unselect the only option (#21280) @svikhristyuk
  • [Autocomplete] Prevent default event for disabled options (#21390) @GregoryAndrievskiy
  • [SpeedDial] Improve tooltip work break (#21359) @SugiKent
  • [Timeline] Introduce new component (#21331) @mnajdova
  • [TypeScript] Allow lab components to have overrides in theme (#21279) @CarsonF


  • [core] Minify error messages in production (#21214) @eps1lon


  • [docs] Add palette TypeScript override example (#21319) @WillSquire
  • [docs] Always consider code as left-to-right (#21386) @eps1lon
  • [docs] Correct the name of a prop in the Table docs (#21384) @fedde-s
  • [docs] Improve (#21303) @pedrooa
  • [docs] Improve ad display (#21246) @oliviertassinari
  • [docs] Improve legibility of required star (#21369) @eps1lon
  • [docs] List all the Tab components under the API section (#21241) @emretapci
  • [docs] Move more prop docs into IntelliSense (#21002) @eps1lon
  • [docs] Move more prop docs into IntelliSense (#21368) @eps1lon
  • [docs] Move more prop docs into IntelliSense (#21375) @eps1lon
  • [docs] Sync translations (#21336) @oliviertassinari
  • [docs] Update image in showcase (#21360) @klyburke
  • [docs] Update showcase (#21274) @klyburke
  • [docs] Update minimum TypeScript version to 3.2 (#21197) @NMinhNguyen
  • [docs] Use rem in responsive font sizes chart (#21373) @thewidgetsmith


  • [test] Speed up slow TablePagination tests (#21374) @eps1lon
  • [test] Type-test event handlers on ListItem (#21298) @eps1lon
  • [core] Batch small changes (#21335) @oliviertassinari
  • [core] Don't ship type tests (#21300) @eps1lon
  • [core] Minify error messages in production (#21214) @eps1lon
  • [core] Switch from $ExpectError to @ts-expect-error (#21308) @eps1lon
  • [core] Use custom $ExpectType assertion (#21309) @eps1lon
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