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[Package] Components
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mirka
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Apr 23, 2026
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The z-index stuff smells overall and seems like it could use an investigation. Unclear if it's even safe to add stacking context isolation, since the component wraps consumer content. Leaving as is for the scope of this PR.
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What?
Removes
.components-resizable-box__handle,.components-resizable-box__side-handle, and.components-resizable-box__corner-handlefrom the shared$z-layersmap inpackages/base-styles/_z-index.scssand setsz-index: 2directly inpackages/components/src/resizable-box/style.scss.Why?
These handles only need a local stacking value (above typical block focus outlines at
z-index: 1, and ordering within the resize UI).Testing Instructions
@wordpress/componentsor open the block editor.z-index: 2.