microsoft/fluentui

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Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

Stars: 20.3k
Forks: 2.9k
Open beginner issues: 7
Indexed issues: 471
Avg merge: 2d 9h
Merged PRs (30d): 46

Dominant language: TypeScript
License: No license data
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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471 open issues indexed

[Bug]: Selected NavSubItem shows no indicator inside expanded NavCategory Open

Component: Nav Fluent UI react-components (v9) Type: Bug :bug:

microsoft/fluentui#36754 · 2 comments · 1 assignee · Opened Sep 17, 2026
[Bug]: Tooltip and Dropdown anchoring not working Open

Area: Positioning Component: Dropdown Component: Tooltip Fluent UI WC (v3) Needs: Investigation Type: Bug :bug: web-components

microsoft/fluentui#36740 · 1 reaction · 1 assignee · Opened Sep 15, 2026
Storybook 11 Support Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/fluentui#36727 · Opened Sep 11, 2026
[Bug]: WeeklyDayPicker showing incorrect week number when navigating to different weeks Open

Component: CalendarDayGrid Component: WeeklyDayPicker Fluent UI react (v8) Type: Bug :bug:

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

microsoft/fluentui#36721 · 2 comments · Opened Sep 9, 2026
[Bug]: slotted labels not associated with input during hydration in fluent-field Open

Area: Accessibility Area: SSR Component: Field Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36720 · 2 assignees · Opened Sep 9, 2026
[Bug]: prevent programmatic value changes from emitting change events in fluent-slider Open

Component: Slider Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36714 · 2 assignees · Opened Sep 8, 2026
[Bug]: prevent initial position flash in fluent-slider Open

Area: SSR Component: Slider Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36707 · 2 assignees · Opened Sep 7, 2026
[Bug]: placeholder layout shift during SSR hydration in fluent-dropdown Open

Area: SSR Component: Dropdown Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36706 · 2 assignees · Opened Sep 7, 2026
[Bug]: @fluentui/react-charts - VegaDeclarativeChart - Sandbox escape enables arbitrary JavaScript execution Open

Needs: Attention Package: charting Type: Bug :bug:

microsoft/fluentui#36698 · 1 comment · 1 assignee · Opened Sep 7, 2026
[Bug]: Slotted fluent-button in fluent-text-input looks wrong Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36693 · 3 comments · 1 assignee · Opened Sep 4, 2026
[Bug]: headless `TeachingPopoverCarouselFooter` drops the `layout` prop and the slot order it drives, so the offset footer's DOM and tab order cannot be reproduced through its renderer Open

Component: TeachingPopover Headless Components Headless Hooks

microsoft/fluentui#36684 · 1 assignee · Opened Sep 2, 2026
[Bug]: Web Components Switch indicator is not visible in forced colors Open

Fluent UI WC (v3) Type: Bug :bug: web-components

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

microsoft/fluentui#36676 · Opened Sep 1, 2026
[Bug]: `export-maps-sync` silently deletes any export-map key it cannot derive from a source entry point Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

microsoft/fluentui#36655 · Opened Aug 29, 2026
[Bug]: workspace-plugin `generate-api` silently skips every export-subpath rollup on Windows Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

microsoft/fluentui#36654 · Opened Aug 29, 2026
[Bug]: react-storybook-addon-export-to-sandbox never finds its own registration on Windows Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

microsoft/fluentui#36653 · Opened Aug 29, 2026
[Bug]: TagPickerControl cancels its aside-width frame in the effect body, so the width token is written only ~25% of the time Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

microsoft/fluentui#36649 · 1 comment · Opened Aug 29, 2026
[Bug]: headless Dialog's scroll lock does not reserve the scrollbar gutter, so opening a modal shifts the page Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/fluentui#36648 · 1 comment · Opened Aug 29, 2026
[Bug]: Legends OverflowMenu crashes after the legend count changes (`items[i]` is undefined) Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

microsoft/fluentui#36641 · 2 comments · Opened Aug 28, 2026
Dropdown filled-darker has no visible resting boundary in Teams High Contrast theme Open

A11yUsable Area: Accessibility Component: Dropdown Fluent UI react-components (v9) Type: Bug :bug:

microsoft/fluentui#36636 · 1 assignee · Opened Aug 27, 2026
[Bug]: Field missing "size" attribute Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36632 · 1 assignee · Opened Aug 25, 2026
[Bug]: Tooltip permanently hidden inside tightly-fitted overflow:hidden containers (regression in 9.10.4+) Open

Area: Positioning Component: Tooltip Fluent UI react-components (v9) Shield: P1 Type: Bug :bug:

microsoft/fluentui#36604 · 2 assignees · Opened Aug 21, 2026
[Bug]: Navigating between views in People Tab freezes Outlook. Infinite overflow re-measure loop in contact-list row "+N more" menus Open

Area: Performance Component: OverflowSet Fluent UI react-components (v9) Needs: Attention Package: priority-overflow Shield: P1 Type: Bug :bug:

microsoft/fluentui#36601 · 5 comments · 1 assignee · Opened Aug 20, 2026
dependabot-rollup: add opt-in approve and auto-merge for individually safe updates Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

microsoft/fluentui#36595 · Opened Aug 18, 2026
[Bug]: datalist support to fluent-text-input across the shadow DOM boundary Open

Fluent UI WC (v3) From Shield Type: Bug :bug: web-components

microsoft/fluentui#36585 · 1 assignee · Opened Aug 18, 2026
Performance regression in Overflow during Teams web channel navigation Open

Area: Performance Fluent UI react-components (v9) Needs: Attention Needs: Repro Type: Bug :bug:

microsoft/fluentui#36584 · 1 assignee · Opened Aug 17, 2026
[Bug]: inputs are not aligned correctly Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36577 · 1 assignee · Opened Aug 14, 2026
[Bug]: Cannot open links in new tab Open

Area: Accessibility Fluent UI WC (v3) Type: Bug :bug: web-components

Difficulty 3/5 1-2 days Newbie friendliness 64/100

microsoft/fluentui#36567 · 1 comment · Opened Aug 13, 2026
[Bug]: Badge not picking up fui-Badge classname Open

Fluent UI react-components (v9) Type: Bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 65/100

microsoft/fluentui#36556 · 1 comment · Opened Aug 11, 2026
[Bug]: Tooltip value is cut off at the bottom in HorizontalBarChartWithAxis Open

Package: charting Type: Bug :bug:

microsoft/fluentui#36554 · 1 comment · 1 assignee · Opened Aug 11, 2026
[Bug]: no attribute part="control" In fluent-dropdown Open

Fluent UI WC (v3) From Shield Help Wanted ✨ Needs: Investigation Type: Feature web-components

microsoft/fluentui#36495 · 3 comments · 1 assignee · Opened Aug 3, 2026
[Feature]: Add secondary content to Tooltip Open

Area: Accessibility Component: Tooltip Fluent UI react-components (v9) From Shield Needs: Backlog review Needs: Design Type: Feature

microsoft/fluentui#36491 · 2 comments · 2 assignees · Opened Aug 2, 2026
[Bug]: Engine warning on Node.js 26+ (@fluentui/web-components@3.0.2) Open

Area: Build System Fluent UI WC (v3) From Shield Good First Issue 🏆 Help Wanted ✨ Type: Bug :bug: web-components

microsoft/fluentui#36466 · 1 assignee · Opened Jul 30, 2026
[Bug]: web-components TextInput spellcheck attr converter throws on null/undefined (null.toString) Open

Fluent UI WC (v3) From Shield Good First Issue 🏆 Help Wanted ✨ Type: Bug :bug: web-components

microsoft/fluentui#36462 · 1 assignee · Opened Jul 29, 2026
[Bug]: HorizontalBarChartWithAxis retains stale bars when the data set shrinks Open

Package: charting Type: Bug :bug:

microsoft/fluentui#36442 · 1 assignee · Opened Jul 24, 2026
[Feature]: Use context-appropriate semantics for non-modal PopoverSurface Open

Component: Popover Component: PopoverSurface Fluent UI react-components (v9) Type: Feature

microsoft/fluentui#36421 · 1 assignee · Opened Jul 21, 2026
[Bug]: VerticalBarChart histogram bars overlap with numeric bin centers Open

From Shield Package: charting Type: Bug :bug:

microsoft/fluentui#36417 · 1 comment · 1 assignee · Opened Jul 21, 2026
[Bug]: Fluent Menu Button icon-only chevron Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36416 · 1 assignee · Opened Jul 20, 2026
[Bug]: Menu - aria-haspopup should use "menu" as value Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36414 · 1 assignee · Opened Jul 20, 2026
[Feature]: Upgrade repo to TS 6.0.3 Open

Area: Build System Area: Typescript

microsoft/fluentui#36409 · 1 assignee · Opened Jul 19, 2026
[Bug]: @fluentui/react-storybook-addon has no support for raw/unattached MDX docs pages (no TOC / docs chrome) Open

Area: Build System Package: react-storybook-addon Type: Bug :bug:

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/fluentui#36368 · 1 comment · Opened Jul 3, 2026
[Bug]: fluent-text-field broken in 3.0.0 Open

Fluent UI WC (v3) Needs: Repro Type: Bug :bug: web-components

microsoft/fluentui#36363 · 8 comments · 1 assignee · Opened Jun 30, 2026
[react-headless-components-preview] usePositioning overwrites anchor-name → Tooltip+Menu on one trigger breaks positioning Open

Fluent UI react-components (v9) From Shield Needs: Investigation Type: Bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/fluentui#36346 · Opened Jun 24, 2026
[Bug]: NavDrawer shows divider above Footer when scrolled to the bottom Open

Component: Nav Fluent UI react-components (v9) Good First Issue 🏆 Help Wanted ✨ Type: Bug :bug:

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

microsoft/fluentui#36331 · 1 comment · Opened Jun 22, 2026
[Bug]: Escape in a Menu nested in a groupper/modalizer escapes the groupper Open

Component: Menu Fluent UI react-components (v9) Type: Bug :bug:

microsoft/fluentui#36315 · 1 assignee · Opened Jun 16, 2026
[Bug]: Inherited CSS white-space cascades into shadow boundary; :host reset is not reliable Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36299 · 1 assignee · Opened Jun 10, 2026
[Bug]: ESM templates contain whitespace not present in minified build Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36298 · 1 assignee · Opened Jun 10, 2026
[Bug]: Dropdown - Narrator does not announce collapsed state after Escape dismiss Open

Area: Accessibility Fluent UI react (v8) Type: Bug :bug:

microsoft/fluentui#36293 · 1 comment · 1 assignee · Opened Jun 9, 2026
[Feature]: Ability to override or disable announce message in MessageBar component Open

Area: Accessibility Component: MessageBar Fluent UI react-components (v9) Type: Feature

microsoft/fluentui#36291 · 3 comments · 1 assignee · Opened Jun 8, 2026
[Bug]: Remove whitespace from component templates / ESM dist component templates contain whitespace Open

Fluent UI WC (v3) Type: Bug :bug: web-components

microsoft/fluentui#36282 · 1 assignee · Opened Jun 3, 2026
[Bug]: Expanded width of days of month in Date Picker Open

Component: DatePicker Fluent UI react (v8) Help Wanted ✨ Type: Bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/fluentui#36274 · 1 comment · Opened Jun 1, 2026

microsoft/fluentui

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