build(deps-dev): bump @wordpress/block-editor from 15.10.0 to 17.1.0

[dependabot]

Bumps @wordpress/block-editor from 15.10.0 to 17.1.0.

Changelog

Sourced from @​wordpress/block-editor's changelog.

17.1.0 (2026-09-10)

New Features

• BackgroundImageControl: Support setting the background image from a URL, through the URL field in the media replace popover (#82230).

Enhancements

• BlockAlignmentControl: List Wide and Full width as unavailable when a parent layout withholds them but the theme itself offers them, instead of removing them from the menu without explanation. A theme that offers neither keeps them hidden, since it is curating its own options. Blocks whose only alignments are wide and full, such as Group and Columns, now keep an alignment control in layouts that offer neither (#82600).
• Borders: rename the "Border & Shadow" panel to "Borders", whichever of its controls are available, and always show the Border and Shadow controls' visible labels. A stable panel title is what lets the Border label render unconditionally, so its "Unlink sides" toggle lines up with the border radius one (#82163).
• ListView: Updated to use outset-ring__focus() mixin for focus outline wherever applicable instead of the previous box-shadow implementation. (#82129)

Deprecations

• __unstableSetEditorMode: Deprecate the action. It only wrote the editorTool preference that backed the removed Write/Design tool, and nothing has read that preference since #72193. It now dispatches nothing and logs a deprecation notice (#82677).

Internal

• BlockPreview: Stop applying the private Disabled component class name to block previews (#82651).
• Pattern Overrides Dropdown: Use Text from @wordpress/ui instead of __experimentalText from @wordpress/components (#77492).
• Allowed Blocks Modal: Use Text from @wordpress/ui instead of __experimentalText from @wordpress/components (#78119).
• Block Switcher: Use Text from @wordpress/ui instead of __experimentalText from @wordpress/components for the bindings hint (#77366).
• Inspector Popover Header: Use Text from @wordpress/ui instead of __experimentalHeading and __experimentalText from @wordpress/components (#77449).
• Remove unused dependencies @wordpress/escape-html, @wordpress/wordcount and deepmerge (#82103).
• Remove tsconfig project references to packages that are not dependencies (#82106).

Bug Fixes

• NavigableToolbar: Preserve toolbar semantics while it is hidden, so asynchronous control changes do not remount custom block toolbars (#82574).
• ListView: Drop the block icon's variation colors while the row is selected, so the icon keeps contrast against the selection background (#82498).
• Flex layout: Output flex-direction: row when a viewport override switches a vertical layout to horizontal, so the base flex-direction: column no longer keeps applying on that viewport (#82364).
• BlockManager: Color library block icons with color while retaining a fill fallback for custom icons that do not use currentColor. (#78812)
• Block List Appender: Show the appender button as a drop target when dragging a block over an empty container such as a Column, restoring the reveal that the visibility-to-opacity migration left behind (#77852).
• Inserter: Keep the hovered block preview inside the viewport, so a tall preview in a short window is no longer clipped (#82060).
• Element styles: Register each block's element-style CSS override with the block's clientId, so the editor orders them by block position instead of registration order. A parent's link color re-registered after a child's (e.g. by resetting and re-picking it) no longer overrides the child's own link color in the canvas (#77833).
• Client-side media processing: Refuse a batch of more than one file when the caller only takes one, such as a Cover block placeholder, matching what the server-side upload path already did. Every dropped file was uploaded instead, and the block kept whichever one finished last (#82041).
• BlockVariationPicker: Set icon colors with color so stroke-based variation icons retain their intended unfilled appearance, while keeping a non-important fill fallback for third-party icons that do not use currentColor. (#78808)
• BlockIcon, List View: Remove the obsolete fill: CanvasText override for forced colors mode. (#82481)

Internal

• Use the .jsx extension for JavaScript source files that contain JSX (#80990).

17.0.0 (2026-08-26)

Breaking Changes

• Remove src/default-editor-styles.scss. Consumers importing it should supply their own (#81793).

New Features

... (truncated)

Commits

• 485f42a chore(release): publish
• c89dd70 Update changelog files
• a55a0d7 Merge changes published in the Gutenberg plugin "release/24.0" branch
• d06b010 chore(release): publish (#82084)
• 0790fa5 Update changelog files
• 098e3ba Merge changes published in the Gutenberg plugin "release/23.9" branch
• 989764d chore(release): publish
• e18aa00 Update changelog files
• dbb73c9 Merge changes published in the Gutenberg plugin "release/23.8" branch
• 7e8b17a chore(release): publish
• Additional commits viewable in compare view

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