# @fluentui/foundation-legacy

> Legacy utilities for building Fluent UI React components.

Latest version **8.6.7** (published 2026-06-30) · MIT license · 0 weekly downloads

## Install

```sh
npm install @fluentui/foundation-legacy
pnpm add @fluentui/foundation-legacy
yarn add @fluentui/foundation-legacy
bun add @fluentui/foundation-legacy
```

## Health

**Score 70/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; recently updated; high maintenance score; popular repo.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 8.6.7 |
| Published | 2026-06-30 |
| First published | 2020-10-23 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 5 |
| Unpacked size | 703.8 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 20294 |
| Maintainers | chrisdholt, miroslavstastny, levithomason, uifabricteam, uifrnbot, layershifter, justslone, microsoft1es, sopranopillow |

## Links

- npm: https://www.npmjs.com/package/@fluentui/foundation-legacy
- Repository: https://github.com/microsoft/fluentui
- Homepage: https://github.com/microsoft/fluentui#readme
- Issues: https://github.com/microsoft/fluentui/issues
- npm.io page: https://npm.io/package/@fluentui/foundation-legacy

## Dependencies (5)

- [tslib](https://npm.io/package/tslib.md) ^2.1.0
- [@fluentui/utilities](https://npm.io/package/@fluentui/utilities.md) ^8.17.2
- [@fluentui/set-version](https://npm.io/package/@fluentui/set-version.md) ^8.2.24
- [@fluentui/merge-styles](https://npm.io/package/@fluentui/merge-styles.md) ^8.6.14
- [@fluentui/style-utilities](https://npm.io/package/@fluentui/style-utilities.md) ^8.15.2

## Recent versions

- 8.6.7 (latest) — 2026-06-30
- 8.0.0-beta.19 (beta) — 2021-02-22
- 8.6.6 — 2026-05-11
- 8.6.5 — 2026-02-26
- 8.6.4 — 2026-01-27
- 8.6.3 — 2025-12-10
- 8.6.2 — 2025-11-26
- 8.6.1 — 2025-11-11
- 8.6.0 — 2025-10-23
- 8.5.2 — 2025-10-16
- 8.5.1 — 2025-10-14
- 8.5.0 — 2025-10-09
- 8.4.30 — 2025-08-26
- 8.4.29 — 2025-07-03
- 8.4.28 — 2025-05-16
- … 132 more at https://npm.io/package/@fluentui/foundation-legacy/versions

## README

# @fluentui/foundation-legacy

This library is deprecated. New [Fluent UI React](https://developer.microsoft.com/en-us/fluentui) components are no longer built on top of the patterns and utilities from this package.

---
_Source: https://npm.io/package/@fluentui/foundation-legacy · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._