Is your feature request related to a problem? Please describe.
SelectArrayInput sometime shows a narrow drop-down which squeeze the label on initial render. Current implementation only adjust the size of the Select based on selection items width on opening up the Select component.

Currently it pass own its own labelWidth prop to the Select component.

**Describe the solution you'

• The issue is present in the latest release.
• I have searched the [issues](https://github.com/mui

I'm having an issue with my bundle size, my project is using @material-ui core components as well as mui-datatables. I'm working on shrinking my bundle size, but noticed that the entire esm library for @material-ui/core is getting bundled. I tracked down what is importing the @material-ui/core/esm/index.js module (all the com

I noticed that the first item of a List does not ripple on click as the others do. This is visible in the official demo on the "Simple List".

I'm guessing this is an issue with SMUI and not with MDC, since the example on Material.io does not have this issue.

Add focusRectSizeFactor parameter for rectangle focus shape (like focusCircleRadiusFactor for circular). Default value should be 1.

I followed the dashboard layout tutorial and following code fails as the config param is typed as (breakpoint: Breakpoint, config: Omit<TemporarySidebarConfig, 'id' | 'anchor' | 'variant' | 'hidden'>) => IEdgeSidebarRegistry; where the anchor is omitted

scheme.configureEdgeSidebar((builder) => {
  builder
    .create("uni