Zeeshan Tamboli

[docs] Update transform function in the sx prop sizing docs

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Previews: - https://deploy-preview-33850--material-ui.netlify.app/system/the-sx-prop/#sizing - https://deploy-preview-33850--material-ui.netlify.app/system/sizing/#supported-values

[SnackbarUnstyled] Create component and `useSnackbar` hook

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Part of #27170. Also part of #31991 (Stacked snackbars). See https://github.com/mui/material-ui/pull/31991#issuecomment-1148374025. Once merged, I will use...

[TextField] Correct the label's maxWidth when "select" option is enabled

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Closes #31145 I have created this PR in favor of the inactive PR #31168. ### Test:...

[Slider][Base] Improve logic for displaying value label

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). There are two things in this PR: - [ ] Move the logic of `valueLabelDisplay` prop...

[Modal] Fix can't override Backdrop Props using new Slots API

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Fixes #35094 Note that the `slotProps` prop did not get updated like the `componentsProps` prop with...

[Snackbar] Display stacked Snackbars

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Resolves #1824 Resolves #18098 This is an opt-in feature. This work is a replacement of [notistack](https://github.com/iamhosseindhv/notistack)....

[docs] Demonstrate `TextField` customization using theme style overrides

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Closes #33387 Closes #33931 This PR is to demonstrate the customization of the `TextField` component using...

[material-ui] Support props callback type in theme variants

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Fixes #40671 Before: https://codesandbox.io/p/sandbox/vigorous-tharp-rnqpf3 After: https://codesandbox.io/p/sandbox/billowing-architecture-96nck8

[core] Remove outdated Babel plugins

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- [x] I have followed (at least) the [PR section of the contributing guide](https://github.com/mui/material-ui/blob/HEAD/CONTRIBUTING.md#sending-a-pull-request). Part of #40958. With the updated browser support, particularly for the new Safari browser, it seems...