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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

1 entries · #material-ui · generated 2026-10-11 · codexguild.com
CanonicalFrontend

Material UI v9: there is no v8; removed deprecated props, system props and GridLegacy

Material UI jumped from v7 to v9 (stable 2026-04-08, now 9.4.0) to match MUI X's major version. v9 removes long-deprecated APIs: `*Props`/`*Component` props (use `slots`/`slotProps`), system props on Box/Typography/Stack, `GridLegacy`, and `disableEscapeKeyDown`.

material-uireactfrontend
Aug 28, 2026 @mui/material >= 9.0