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ProgressBar: Respect reduced motion preferences #82490

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Merged
ciampo merged 3 commits into from
Sep 7, 2026
Merged

ProgressBar: Respect reduced motion preferences #82490

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53fa678
ProgressBar: Respect reduced motion preference
ciampo Sep 5, 2026
6f80647
Components: Add ProgressBar changelog entry
ciampo Sep 5, 2026
10ce9e3
ProgressBar: Disable determinate reduced motion
ciampo Sep 6, 2026
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1 change: 1 addition & 0 deletions packages/components/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

### Bug Fixes

- `ProgressBar`: Remove determinate transitions and use a slower, stepped indeterminate animation when reduced motion is preferred. ([#82490](https://github.com/WordPress/gutenberg/pull/82490))
- `ColorPalette`: Apply the computed contrast color to the selected checkmark now that the icon is stroke-based. ([#78812](https://github.com/WordPress/gutenberg/pull/78812))
- `CheckboxControl`: Color the checked and indeterminate icons with `color` rather than `fill`, so they stay visible now that those icons are stroke-based. ([#78812](https://github.com/WordPress/gutenberg/pull/78812))
- `BorderBoxControl`: Give the group of border controls an accessible name from the `label` prop, by rendering the wrapper as a `role="group"` associated with the label through `aria-labelledby`. A consumer-supplied `aria-labelledby` or `aria-label` takes precedence over `label` and names the group instead; the wrapper is only given the `group` role when one of the three provides a name. A hidden label (`hideLabelFromVision`) now renders as a `span` rather than a `label` element, matching the visible one ([#82279](https://github.com/WordPress/gutenberg/pull/82279)).
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10 changes: 9 additions & 1 deletion packages/components/src/progress-bar/style.module.scss
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Expand Up @@ -33,12 +33,20 @@ $indeterminate-indicator-width: 50%;
outline-offset: -2px;

width: var(--indicator-width);
transition: width 0.4s ease-in-out;

@media not (prefers-reduced-motion) {
transition: width 0.4s ease-in-out;
}

&.is-indeterminate {
--indicator-width: #{$indeterminate-indicator-width};
animation: indeterminate-slide 1.5s ease-in-out infinite;
transition: none;

@media (prefers-reduced-motion: reduce) {
animation-duration: 3s;
animation-timing-function: steps(4, end);
}
}
}

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