fix: add missing "use client" directive to client components and styles #35719
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- Added "use client" directive to global-context-selector.ts, useDisableBodyScroll.styles.ts, and multiple Attachment component styles. - Updated various components in react-migration-v0-v9 and react-migration-v8-v9 libraries to include "use client" for compatibility with client-side rendering. - Included "use client" in utility hooks and context files to ensure proper execution in client environments. - Adjusted imports and ensured consistent application of the directive across all affected files.
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🕵🏾♀️ visual changes to review in the Visual Change Report
vr-tests-react-components/Positioning 2 screenshots
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| vr-tests-react-components/Positioning.Positioning end.chromium.png | 17 | Changed |
| vr-tests-react-components/Positioning.Positioning end.updated 2 times.chromium.png | 29 | Changed |
vr-tests-react-components/TagPicker 2 screenshots
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| vr-tests-react-components/TagPicker.disabled - Dark Mode.chromium.png | 658 | Changed |
| vr-tests-react-components/TagPicker.disabled - High Contrast.disabled input hover.chromium.png | 1319 | Changed |
vr-tests-web-components/Accordion 1 screenshots
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| vr-tests-web-components/Accordion. - Dark Mode.normal.chromium_1.png | 3154 | Changed |
vr-tests-web-components/Avatar 1 screenshots
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| vr-tests-web-components/Avatar. - Dark Mode.normal.chromium.png | 10380 | Changed |
vr-tests-web-components/MenuList 1 screenshots
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| vr-tests-web-components/MenuList. - RTL.2nd selected.chromium.png | 17 | Changed |
vr-tests-web-components/RadioGroup 1 screenshots
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| vr-tests-web-components/RadioGroup. - Dark Mode.normal.chromium_1.png | 89 | Changed |
vr-tests/Callout 9 screenshots
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| vr-tests/Callout.Bottom auto edge.default.chromium.png | 2195 | Changed |
| vr-tests/Callout.Bottom center.default.chromium.png | 2128 | Changed |
| vr-tests/Callout.Gap space 25.default.chromium.png | 2195 | Changed |
| vr-tests/Callout.Left center.default.chromium.png | 2584 | Changed |
| vr-tests/Callout.Bottom left edge - RTL.default.chromium.png | 2199 | Changed |
| vr-tests/Callout.Rendering callout attached to a rectangle.default.chromium.png | 1835 | Changed |
| vr-tests/Callout.Right bottom edge.default.chromium.png | 3095 | Changed |
| vr-tests/Callout.Top auto edge.default.chromium.png | 2212 | Changed |
| vr-tests/Callout.Top center.default.chromium.png | 2127 | Changed |
vr-tests/Coachmark 1 screenshots
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| vr-tests/Coachmark.Collapsed.default.chromium.png | 159 | Changed |
vr-tests/Keytip 2 screenshots
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| vr-tests/Keytip.Disabled.default.chromium.png | 26 | Changed |
| vr-tests/Keytip.Root.default.chromium.png | 55 | Changed |
vr-tests/react-charting-LineChart 2 screenshots
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| vr-tests/react-charting-LineChart.Events - RTL.default.chromium.png | 15 | Changed |
| vr-tests/react-charting-LineChart.Events.default.chromium.png | 17 | Changed |
vr-tests/react-charting-MultiStackBarChart 2 screenshots
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| vr-tests/react-charting-MultiStackBarChart.Basic_PartToWhole.default.chromium.png | 359 | Changed |
| vr-tests/react-charting-MultiStackBarChart.Basic_Absolute.default.chromium.png | 359 | Changed |
There were 3 duplicate changes discarded. Check the build logs for more information.
dmytrokirpa
requested review from
a team,
GeoffCoxMSFT and
Mitch-At-Work
as code owners
Hotell
reviewed
Feb 4, 2026
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Contributor
Author
There was a problem hiding this comment.
yeah sorry, reverting
Contributor
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yeah, we should consider adding that to gitignores (specifically for settings.local)
AtishayMsft
approved these changes
Feb 4, 2026
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Previous Behavior
Multiple Fluent UI v9 packages were missing the
'use client'directive in their compiled JavaScript output, causing React Server Components (RSC) compatibility issues. Components that use client-side APIs (hooks, DOM manipulation, browser APIs) were being treated as server components by default, leading to runtime errors when developers tried to use them in RSC environments.Affected packages included:
@fluentui/react-text- Text preset components and style hooks@fluentui/react-utilities- Client-side hooks likeuseIsomorphicLayoutEffect@fluentui/react-shared-contexts- Context files requiring client-side rendering@fluentui/react-message-bar@fluentui/react-motion-components-previewgetWindow()and other browser APIsNew Behavior
All client-side components, hooks, and utilities now include the
'use client'directive in their source files. This ensures that:Files updated include:
getWindowthat require client-side executionRelated Issue(s)