15.3.1

Changelog

Enhancements

Site Editor

• Refactor the site editor URLs for better backward compatibility. (48063)
• Remove TemplateAreas from template details. (48490)
• Update the edit button. (48584)
• Change "Browse all templates" to "Manage all templates" in template details popover. (48496)
• Match color of the focus template view with site dark material. (48430)
• Polish add template modal style. (48445)
• Site Editor Sidebar: Add line-height for template/parts name and update width for edit button. (48160)
• Extract a DimensionsPanel component as a reusable component between Global Styles and Block Inspector. (48070)
• Remove copy for managing a block's style variations. (48367)

Block Editor

• Apply keyboard shortcut conversions between paragraphs and headings to all editor instances. (47972)
• Create automatic change higher order reducer. (48312)
• [Inserter]: Preload media categories empty check - client side. (47503)

Post Editor

• Revert iframed editor for WP core only. (48076)
• PageAttributesCheck: Return boolean value directly from the selector. (48336)
• Apply busy status to the publish button in progress and unify button width. (48444)

Block Library

• Add all allowed innerblocks to the inspector animation experiment. (47834)
• Make the Site Logo block placeholder state smaller. (48218)
• ToggleControl: Remove margin overrides and add opt-in prop. (47866)
• Post Terms block: Add transforms for variations. (48328)
• List block: Add Firefox end-to-end tests. (48271)
• Navigation List View: Add block movers to the more menu. (48099)
• Navigation: Always create a fallback menu. (47684)
• Navigation: Don't create a fallback navigation menu if there are inner blocks. (48585)
• Navigation: Don't create duplicate navigation menus. (48599)
• Navigation: Update the dependencies for the useEffect that handles notifications. (48066)
• Navigation: Wrap the dependent functions in useCallback. (48195)
• Page List: Move the modal to its own file. (47922)
• [New Block] Add post time to read block. (43403)
• Classic Block: Replace the deprecated isPrimary prop with variant. (48230)
• Refactor core blocks to use HTML Tag Processor. (43178)

Block API

• HTML Tag Processor: Add WP 6.3 compat layer. (47933)
• Tag Processor: Add bookmark invalidation logic. (47559)

Design Tools

• Duotone: Use the style engine to generate CSS for Duotone. (48281)
• Duotone: Add Global Styles controls for blocks that support duotone. (48255)
• Use Duotone presets in block duotone attributes. (48318)
• Duotone: Use CSS variables instead of slugs in block attributes. (48426)
• Border Panel: Add missing dep for onBorderChange callback. (48010)
• Disable layout toolbar controls for content locked blocks. (47939)
• SpacingSizesControl: Fix white dot on thumb. (48574)

List View

• Scroll selected block into view when single block selection changes. (46895)

Components

• TabPanel: Refactor unit tests in prep for controlled component updates. (48086)
• Change higher order with-constraint-tabbing from .js to .tsx. (48162)
• CircularOptionPicker: Refactor to TypeScript. (47937)
• Extract delete handler to hook for RichText. (48273)
• ToolsPanel: Remove unnecessary dep from resetAll callback. (48011)
• Link Control - Add support for text only labels. (47930)
• Pin floating-ui/react-dom version. (48402)
• Use React 18 rendering for import dropdown. (48244)

Bug Fixes

Site Editor

• Fix Site Editor perf tests. (48240)
• Fix routing for Classic themes using block-based template parts. (48343)
• Fix the 'Browse all' link in the template details modal. (48301)
• Fix the site editor home page loading when installed in a subdirectory. (48363)
• Fix the tooltip and shortcut for the global save button. (48282)
• Prevent distracting focused back button on site editor load. (48472)
• Sort templates and template parts by slug. (48473)
• Specify focus state color for template navigation button. (48134)
• [Site Editor]: Set html block as freeform fallback block. (48129)
• Remove broken site editor redirect. (48283)
• Fix: Inserter does not appear on sidebar navigation. (48623)
• Fix: Make navigation page list load its items on navigation sidebar. (47853)
• Revert Site Tagline placeholder attribute, move example to block.json. (48383)

Block Editor

• Fix typo: use WP_Theme_JSON_Gutenberg instead of WP_Theme_JSON class name (48648)
• MediaReplaceFlow: Fix styling for LinkControl. (47949)
• Fix "Reset All" button in the typography panel of the block inspector. (48123)
• [Inserter - Media tab]: Upload Openverse images when inserted. (48501)
• Block alignment controls: Don't remount the block when alignments change. (48209)
• Pin valtio version. (48237)
• Fix block style preview flickering when a 'style' is focused. (48418)
• Enable access to block settings within UBE. (48435)
• Fix: Content only CPT template locking. (48434)
• Firefox: Fix input rules (React async state issue). (48210)
• Fix: Multiple overwrites on rest_controller_class for wp_template/wp_template_part. (48078)
• Select blocks in outline list. (48118)
• Only add layout classes to inner wrapper if block is a container. (48611)

Widgets Editor

• Widget Editor: Fix a problem with 'Move to Widget Area' button not working. (48233)

Block Library

• Add support for orientation-based block movers to core/social-links. (48452)
• Fix Post Excerpt: Read more link is always on new line in the editor. (47772)
• Fix: OffCanvasEditor does not inserts submenu on collapsed items. (48214)
• List Item: Avoid an error when the 'onReplace' prop is undefined. (48639)
• Add missing code on the fix page list loading PR. (48621)
• Prevent text decoration from showing up in all blocks. (48117)
• Widget Importer: Don't render controls when there's nothing to import. (48396)
• [Query Loop] Fix top border in pattern selection modal. (48303)
• [Query Loop] Sync gutenberg_build_query_vars_from_query_block with core. (48640)
• Avatar: Clean up border application in editor. (48024)

Global Styles

• Fix for WP_Theme_JSON_Resolver_Gutenberg::Get_merged_data. (48644)
• Display preset names via the tooltip. (48304)
• Fix typo in valid settings for fluid typography. (48605)
• Prevent the global styles previews thumbnails from resizing on load. (48474)
• Site Tagline: Add example so that it will display in style book. (48300)
• Fix wrong property name letterSpacing to lineHeight. (48091)
• Update code position for constants and methods in WP_Theme_JSON_Gutenberg class. (48631)
• WP_Theme_JSON_Gutenberg: Update comments to be aligned with core, so backports are easier. (48624)

Accessibility

• Autocomplete: Duplicate list within iframe for non visual users. (47907)
• Fix site editor switch mode message. (48136)
• Fix the Publish region position and focus style. (48102)
• Focus 1st parent block on block remove, if no previous block is available. (48204)
• List view: Allow selected block to override roving tabindex. (48339)
• Style Book: Allow button text labels for style book icon. (48088)
• Style Book: Focus the Style Book when opened, and enable ESCAPE key to close. (48151)
• Try to fix a11y test flakiness. (48236)
• Make the template customized info accessible. (48159)

Performance

Block Editor

• Block Editor: Improve empty getBlockParents() perf. (48242)
• Fix perf regression in duotone hooks. (48401)
• Writing flow: Avoid recalc style on every selection change. (48409)
• useAsyncList: Flush state updates when processing queue. (48238)

Components

• Autocomplete: Reduce work before finding trigger. (48327)
• Disable lazy term meta loading render_block_core_template_part. (48000)
• Rich text: Only selectively handle keyup/pointerup. (48385)
• Rich text: Remove unnecessary handleSelectionChange call. (48373)
• Rich text: Try removing store change on focus. (48342)
• Autocomplete: Avoid calling setState on input. (48565)
• Autocomplete: Don't change state on every keystroke. (48485)

Code Quality

• Tag Processor: Make $html field protected. (48681)
• WP_HTML_Tag_Processor: Support tag closer bookmarks. (48692)
• Fixed incorrect type annotations in @wordpress/data, part 2. (48221)
• Lodash: Refactor away from _.merge(). (48239)
• Lodash: Remove from integration tests. (48122)
• Lodash: Remove remaining _.get() from core-data. (48310)
• Lodash: Remove _.get() for post type usages. (48121)
• Lodash: Remove remaining _.get() from editor. (48314)
• Lodash: Remove some _.get() from editor. (48104)
• Lodash: Refactor context system provider away from _.merge(). (48036)
• Lodash: Remove _.merge() from getMappedColumnWidths(). (48032)
• Lodash: Remove some _.get() from Gallery block. (48488)
• Lodash: Remove some _.get() from Image block. (48489)
• Playwright: Fix request utils for non Docker envs. (48206)
• [Private APIs] Only prevent module re-registration if IS_WORDPRESS_CORE. (48352)
• Add a manual performance job that we can trigger from Github UI. (48302)
• Track new front-end metric: LCP-TTFB. (48288)

Documentation

• Clarify backport status of appearance-tools theme support. (48622)
• Docs: Clarify release process for major WP Beta 1. (48248)
• Docs: Markdown fix for wp_enqueue_script usage. (48212)
• Fix e2e-test-utils-playwright's jsdoc and types. (48266)
• Fix incorrect css property in editor-color-palette documentation. (48333)
• Proactively update versions in WordPress ahead of 6.2. (48145)
• Update curation document to include theme.json filters. (48576)
• Updates to the curating the editor experience to include 6.1 & 6.2 items. (48294)

Tools

Testing

• Migrate switch-to-draft to Playwright. (48120)
• VizReg end-to-end tests: Programmatically test all combinations of a given list of props/values. (48260)
• Update end-to-end test snapshots to Jest 29 default. (48626)
• Update snapshot format to Jest 29 default. (48366)
• Move react-native-editor parser tests to a test directory. (48615)
• ToolsPanel: Refactor unit tests to TypeScript. (48275)
• Migrate block deletion end-to-end tests to Playwright. (48012)
• Migrate list view end-to-end tests to Playwright. (47919)
• Navigation block: End-to-end code quality fixes. (48071)
• Remove old end-to-end tests for the navigation block. (48126)
• Update assertion Autocomplete end-to-end tests. (48344)
• [Automated Testing]: Fix wrong button fixture. (48305)
• Add typescript-eslint rules with type informations to end-to-end tests. (48267)
• Fix snapshots for Spacer mobile unit tests. (48406)
• Add command to run performance tests in debug mode. (48614)
• Make the performance tests more stable. (48094)

First time contributors

The following PRs were merged by first time contributors:

• @abhi3315: Link Control - Add support for text only labels. (47930)
• @hbhalodia: Update: Change higher order with-constraint-tabbing from .js to .tsx. (48162)
• @sboerrigter: Fix incorrect css property in editor-color-palette documentation. (48333)
• @shreyasikhar: Site Editor Sidebar: Add line-height for template/parts name and update width for edit button. (48160)
• @suvrodattamitu: Style Engine: Fix wrong property name letterSpacing to lineHeight. (48091)
• @tomdevisser: Remove copy for managing a block's style variations. (48367)

Contributors

The following contributors merged PRs in this release:

@aaronrobertshaw @abhi3315 @adamziel @afercia @alexstine @andrewserong @annezazu @brookewp @carolinan @chad1008 @ciampo @dcalhoun @draganescu @ellatrix @fluiddot @geriux @getdave @gvgvgvijayan @gziolo @hbhalodia @jorgefilipecosta @jsnajdr @kevin940726 @MaggieCabrera @Mamaduka @marekdedic @ndiego @ntsekouras @oandregal @ockham @richtabor @sboerrigter @scruffian @shreyasikhar @spacedmonkey @suvrodattamitu @t-hamano @tellthemachines @tomdevisser @tyxla @WunderBart @youknowriad