[ButtonGroup] Remove deprecated classes#48043
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siriwatknp merged 1 commit intomui:masterfrom Mar 20, 2026
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mj12albert
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silviuaavram
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Summary
Remove 17 deprecated CSS classes from the
ButtonGroupcomponent:groupedHorizontal,groupedVertical,groupedText,groupedTextHorizontal,groupedTextVertical,groupedTextPrimary,groupedTextSecondary,groupedOutlined,groupedOutlinedHorizontal,groupedOutlinedVertical,groupedOutlinedPrimary,groupedOutlinedSecondary,groupedContained,groupedContainedHorizontal,groupedContainedVertical,groupedContainedPrimary,groupedContainedSecondaryUsers should combine the base classes instead (e.g.,
.MuiButtonGroup-contained.MuiButtonGroup-colorPrimary > .MuiButtonGroup-grouped).An existing button-group-classes codemod is available to automate the migration.
Breaking change
The deprecated combined CSS classes have been removed from
ButtonGroup. Use class combinations instead. See the migration guide section added toupgrade-to-v9.md.