Block Manager: Inline z-index values#77759
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mirka
commented
Apr 28, 2026
| top: ($grid-unit-05 + 1) * -1; | ||
| z-index: z-index(".block-editor-block-manager__disabled-blocks-count"); | ||
| // Keep the sticky disabled block count above the category items. | ||
| z-index: 1; |
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Z-index value dropped from 2 to 1, due to the new stacking context isolation in block-manager.
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Size Change: +31 B (0%) Total Size: 7.87 MB 📦 View Changed
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Flaky tests detected in 1abbfc2. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/25066357049
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ciampo
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Apr 30, 2026
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Same comment re. rebasing + moving to the new "Unreleased" section
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Same re. moving to new Unreleased section
# Conflicts: # packages/base-styles/CHANGELOG.md
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What?
Inlines the Block Manager z-index values that were previously defined in the shared
z-index()helper.Why?
These stacking values only describe layering within the Block Manager and block visibility UI. Keeping them local makes the shared z-index map smaller and easier to reserve for cross-component stacking concerns.
How?
Removes the Block Manager entries from
packages/base-styles/_z-index.scssand replaces the correspondingz-index()calls with local values in the Block Manager and block visibility styles.The category groups now use
isolation: isolate, which keeps category title stacking local to each group while allowing the disabled block count to use the same local z-index value and still appear above the category items.Testing Instructions
npm run lint:css -- packages/base-styles/_z-index.scss packages/block-editor/src/components/block-manager/style.scss packages/editor/src/components/block-visibility/style.scss.Screenshots