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@mui/icons-material 9.0.0 can't be hosted on some private NPM registries

scope: iconsChanges related to the icons.Changes related to the icons.

Status: Open.

#48355 In mui/material-ui;

· humodz opened on Apr 22, 2026

[switch] Thumb is not vertically centered at fractional browser zoom (125% / 133% / 175%)

designThis is about UI or UX design, please involve a designer.This is about UI or UX design, please involve a designer.

external dependencyBlocked by external dependency, we can’t do anything about it.Blocked by external dependency, we can’t do anything about it.

scope: switchChanges related to the switch.Changes related to the switch.

Status: Open.

#48338 In mui/material-ui;

· fporotnicov98 opened on Apr 20, 2026

[MenuBar] Create Material-UI component from the Docs example

scope: menubarChanges related to the menubar.Changes related to the menubar.

Status: Open.

#48336 In mui/material-ui;

· silviuaavram opened on Apr 20, 2026

·  

Material UI v9.x

[NumberField] Create Material-UI component from the Docs example

scope: number fieldChanges related to the number field.Changes related to the number field.

Status: Open.

#48335 In mui/material-ui;

· silviuaavram opened on Apr 20, 2026

·  

Material UI v9.x

[accessibility] Create HighContrast Theme to improve the HighContrast mode for components

accessibilitya11ya11y

customization: themeHigher level theming customizability.Higher level theming customizability.

Status: Open.

#48334 In mui/material-ui;

· silviuaavram opened on Apr 20, 2026

·  

Material UI v9.x

[list][toggle group][toolbar] Integrate useRovingTabIndex

type: new featureExpand the scope of the product to solve a new problem.Expand the scope of the product to solve a new problem.

umbrellaFor grouping multiple issues to provide a holistic viewFor grouping multiple issues to provide a holistic view

v9.x

Status: Open.

#48306 In mui/material-ui;

· mj12albert opened on Apr 16, 2026

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Material UI v9.x

[accordion] Use context to remove need for manual id assigments

accessibilitya11ya11y

scope: accordionChanges related to the accordion.Changes related to the accordion.

type: enhancementIt’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.It’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.

Status: Open.

#48305 In mui/material-ui;

· oliviertassinari opened on Apr 16, 2026

[docs] Unclear documentation for container prop when using Shadow DOM

docsImprovements or additions to the documentation.Improvements or additions to the documentation.

Status: Open.

#48292 In mui/material-ui;

· trygve-aaberge-adsk opened on Apr 15, 2026

--mui-* css vars are undefined when augmented theme contains property with URL value

customization: themeHigher level theming customizability.Higher level theming customizability.

has workaroundThere’s a bug, but users have a complete workaround, so no urgent fix or release is needed.There’s a bug, but users have a complete workaround, so no urgent fix or release is needed.

type: bugIt doesn't behave as expected.It doesn't behave as expected.

Status: Open.

#48267 In mui/material-ui;

· blainegarrett opened on Apr 12, 2026

Export useSnackbar from Snackbar component

type: new featureExpand the scope of the product to solve a new problem.Expand the scope of the product to solve a new problem.

waiting for 👍Waiting for upvotes. Open for community feedback and needs more interest to be worked on.Waiting for upvotes. Open for community feedback and needs more interest to be worked on.

Status: Open.

#48254 In mui/material-ui;

· matmannion opened on Apr 9, 2026

Arrow key navigation failing when component is rendered in closed shadow DOM

type: bugIt doesn't behave as expected.It doesn't behave as expected.

Status: Open.

#48252 In mui/material-ui;

· gitterhu123 opened on Apr 9, 2026

sx prop triggers re-render

performance

v9.x

Status: Open.

#48235 In mui/material-ui;

· Mario-Eis opened on Apr 8, 2026