build(deps-dev): bump @wordpress/blocks from 15.10.0 to 16.0.0

[dependabot]

Bumps @wordpress/blocks from 15.10.0 to 16.0.0.

Changelog

Sourced from @​wordpress/blocks's changelog.

16.0.0 (2026-09-10)

Breaking Changes

• BlockTransform is now a discriminated union over its type, so that each kind of transform declares its own fields: shortcode transforms accept tag and attributes with shortcode matchers, enter transforms regExp, prefix transforms prefix, and raw transforms selector and schema. blocks, variationName and shortcuts now belong to block transforms only, and blocks is required there. This fixes type errors when registering blocks with documented shortcode transforms, but reading a variant field off a BlockTransform that has not been narrowed on its type no longer compiles — including the result of findTransform (#81811).
• Removed the transforms.supportedMobileTransforms block type property, along with the supportedMobileTransforms and usingMobileTransformations properties of a block transform. They were only meaningful to the React Native implementation, removed in #78747, and nothing reads them any more. Note that the filter they drove was not platform-gated: a block type still declaring supportedMobileTransforms had its transforms filtered everywhere, and getBlockTransforms no longer filters them at all (#81831).

Bug Fixes

• getBlockAttributes no longer breaks when a block has no content to parse, such as a self-closing shortcode: missing content is treated as empty markup instead of reaching the attribute matchers (#81831).

15.27.0 (2026-08-26)

New Features

• Block variations and block type block transforms accept a shortcut property, declaring a keyboard shortcut that applies the variation or transform to the selected block. See the block variations and block transforms documentation (#81588).

15.26.0 (2026-08-12)

Internal

• Update hpq to 1.4.0 for its bundled TypeScript types (#81199).

15.25.0 (2026-07-29)

Internal

• Update memize to 2.1.1 (#80764).

15.24.0 (2026-07-14)

Enhancements

• Widen React peer dependency ranges to ^18 || ^19 to support both React 18 and React 19 environments (#80024).

15.23.0 (2026-07-01)

15.22.0 (2026-06-24)

Internal

• Replace showdown with marked for Markdown paste handling. Smaller bundle, modern maintenance, native types.

15.21.1 (2026-06-16)

15.21.0 (2026-06-10)

Code Quality

• Add missing @types/react dependency. #78882.

... (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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