18.3.0 RC1

Changelog

Enhancements

• Output post classes in the editor. (60642)
• Abstract keyboard shortcuts for heading to paragraph transform and vice-versa. (60606)
• Capitalize more occurrences of Navigation Menu. (60747)
• Clean up top toolbar to use same metrics as block toolbar. (61126)
• Update template and template parts labels. (61146)
• Update the template preview menu item text in the Template option. (57802)
• Upgrade React to v18.3. (61202)

Site Editor

• Add PluginDocumentSettingPanel in template inspector controls. (60961)
• Add publish flow in site editor. (61136)
• Classic Theme: Expose new Patterns page and remove Template Parts submenu. (61080)
• Consolidate editor/canvas resize handles. (60712)
• Patterns data view: Remove icons in favor of dedicated sync status field. (60833)
• Patterns: Remove "Manage all parts" page & link. (60689)
• Tweak Template/Template Parts/Page creation modal. (61005)
• Drop patterns and blocks between sections only in zoom out mode. (60828)
• Insert patterns at the end of the root section. (60855)
• Typography Panel: Use simple labels. (60886)
• Font Library: Convert heading text to heading elements and group fonts as a list. (58834)

Block Editor

• Add new TextAlignmentControl component. (60841)
• Editor: Sort style overrides by block client ids. (61039)
• Inserter: Bail early when a user has no permission to upload media. (60983)
• List View: Use 'isMatch' for unselect the shortcut. (61223)
• Move search into inserter tabs. (61108)
• Polish Autocomplete popover. (60131)

Global Styles

• Add scoping of feature level selectors for custom block style variations. (61033)
• Allow negative values for margin controls. (60347)
• Allow opt out of certain sets of styles in the editor. (61035)
• Filter out color and typography variations. (60220)
• Update utils for scoping CSS selectors. (61026)
• Add defaultFontSizes theme.json (theme.json v3). (58409)

Block Library

• Group: Remove hardcoded Group block example styles. (61027)
• Remove Button component from social link block, replace with button element. (61270)
• List View: Unify shortcut handlers. (61130)
• Update list view spacing. (60713)

Post Editor

• Editor: Move around word count, post status and last edited info in page summary. (61235)
• Editor: Update post excerpt panel with new designs. (60894)
• Add duplicate post action. (60637)
• Make duplicate post action available only on the plugin for now. (61192)

Data Views

• Unbox items in grid layout. (61159)
• Update alignment of preview contents in Patterns and Templates data views. (61190)

Components

• ComboboxControl: Simplify string normalization. (60893)
• Update help text alignment in CheckboxControl. (60787)
• RangeControl: Remove deprecated reducedMotion util. (61119)
• components - inputStyleNeutral: Remove deprecated reducedMotion util. (61122)

Bug Fixes

• Editor: Do not show scrollbars when closing sidebars. (60889)
• Fix block tab spacing when few available blocks. (61296)
• Fix pattern preview focus styles. (60881)
• Fix styles panel header. (61319)
• Fix typo in clear customizations text. (61089)
• Fix: Missing format, categories, and tags on the duplicate post action. (61194)
• Fix: Post actions in post card panel is not checking for eligibility. (60994)
• Notices: Fix snackbar placement. (60912)
• Setup Node action - Set arch for key value. (61010)
• docgen: Fix qualified types with type parameters. (61097)
• Background image: Tools panel shouldn't show reset button for inherited values. (61304)
• Fix template files query by post-type. (61244)
• Remove unnecessary period in template block selection notice. (61087)
• Fix issue where pattern override values reset when saving. (61023)
• Blocks: Merge variations bootstrapped from a server with the client definitions. (60832)
• Bump minimum required WordPress version to 6.4. (60780)

Site Editor

• DocumentBar: Account for when top toolbar is open. (61118)
• Don't show appender at all inside sections on zoom-out mode. (60948)
• Editor: Avoid triggering the start page modal on unsaved pages. (61082)
• Fix zoom out mode background color on Safari. (60873)
• Fix: Pattern details page backpath. (61174)
• Make the zoom out inserters work for sections inside the section root. (60909)
• Select last section if parent section doesn't exist. (61002)

Components

• Box Control: Fix issue with negative values. (60984)
• Fix usages of uSES with missing getServerSnapshot. (60943)

Block Library

• Avoid unnecessary heading level and paragraph transform via keyboard shortcuts. (60955)
• Navigation: Remove unnecessary __experimentalStyle. (60965)

Accessibility

• Add aria-haspopup="dialog" to Enable/Disable overrides button. (61309)
• Fix unlabeled PostURL Copy button. (61195)
• [Data Views] User patterns: Use excerpt as description. (60549)

Performance

• Block lib: columns: Remove store subs on mount. (61123)
• Block: Remove outline related store selecting. (61139)
• Rich text: Combine all ref effects. (60936)
• Template lock: Batch block disabling. (60934)
• useBlockSync: Avoid replacing blocks twice on mount. (60967)
• useMatchMedia: Cache queries. (61000)
• ListViewBlock: Combine 'useSelect' hooks, part two. (61054)
• Remove showFixedToolbar from useShowBlockTools. (60717)
• Editor: Optimize some of the post-support panels. (61003)
• Core data: getEditedEntityRecord: Do not return empty object. (60988)
• Drop zone: Avoid media query on mount. (60546)
• Nav link: Use rich text value. (60503)

Experiments

Interactivity API

• Add full page client-side navigation experiment setting. (59707)

Documentation

• Add AutosaveMonitor component JSDoc enhancements. (60905)
• Add Documentation for CharacterCount component. (60906)
• Add EditorSnackbars component documentation. (61110)
• Add documentation for DocumentOutline and DocumentOutlineCheck components. (61129)
• Add documentation for EditorHistoryRedo and EditorHistoryUndo. (60932)
• Add documentation for EditorKeyboardShortcuts and EditorKeyboardShortcutsRegister. (60933)
• Add documentation for PostAuthor, PostAuthorCheck, PostAuthorPanel components. (61090)
• Added doc for components PageAttributesCheck, PageAttributesPanel, PageAttributesOrder, PageAttributesParent. (60977)
• Change the name of the Interactivity API quick start guide markdown file. (61198)
• Docs: Fix import statement of PluginMoreMenuItem. (60931)
• Docs: Handle "oneOf" in theme.json schema doc generation. (61024)
• Fix import in block editor’s readme example. (61218)
• Fix use local version of theme.json schema in bundled files. (61312)
• FontSizerPicker: Improve documentation for default units. (60996)
• InputControl: Added password visibility story. (60898)
• Move iAPI documentation from package to reference guides. (61143)
• Refresh the folder structure documentation page. (60953)
• Small-typo-change. (61178)
• Theme JSON: Backport PHP annotations from Core. (61301)
• Update an anchor link in block-in-the-editor.md. (59527)
• Update block-deprecation.md. (60768)
• Update documentation for theme.json version 3. (61221)
• Update main readme file with relevant current information. (60942)

Code Quality

• DataViews: Enable types. (61185)
• Editor: Cleanup edit-post classnames and documentation. (61240)
• Editor: Consistently deprecate edit-post and edit-site slots. (61134)
• Editor: Unify the BlockContextualToolbar component between post and site editors. (61104)
• Editor: Unify the more menu. (60910)
• Editor: Unify the region navigation keyboard shortcuts. (60907)
• Fix: Actions moved to the editor package still reference edit-site on their ids. (60899)
• Remove unnecessary usesContext from paragraph block. (61008)
• Removed Extra Space Before Since. (60918)
• ToolsMoreMenuGroup: Remove form post editor. (61132)
• Unify placeholders. (59275)
• Use math.div for scss division. (61285)
• useBlockProps: Remove dead code. (61133)
• useBlockSync: Just testing without isControlled effect. (61114)
• Add eslint autofix commit to ignored git commits. (61253)
• Rephrasing for accuracy and link to Core Trac ticket. (61284)
• Blocks: Add a warning when registering variation without a name. (61037)
• DataViews: Cleanup unused type property. (61197)
• DataViews: More dataviews types. (61193)
• Quality: Fix php warning error. (61321)
• UseLocation instead of window.location.href. (61230)
• Use contentOnly locking for pattern block. (61227)
• Editor: No need to memorize callback in 'SwapTemplateButton'. (61049)
• Improve data-wp-context debugging by validating it as a stringified JSON Object. (61045)
• Theme JSON: Extract util to get valid block style variations. (61030)
• Elements: Deprecate old block support filter callbacks. (59538)

Components

• AlignmentMatrixControl: Remove deprecated reducedMotion util. (61113)
• FocalPointPicker: Remove deprecated reducedMotion util. (61116)
• Navigation: Remove deprecated reducedMotion util. (61117)
• Remove "experimental" designation for CustomSelectControlV2. (61078)
• ToggleGroupControl: Remove deprecated reducedMotion util. (61120)
• View: Fix TypeScript types. (60919)
• components/elevation: Remove deprecated reducedMotion util. (61115)

Block Editor

• Convert Media Inserter to Tabs Pattern. (60970)
• Obviate mousetrap around Navigation Link popover. (61050)
• editPost: Deprecate __experimentalPluginPostExcerpt. (61188)
• editPost: __experimentalPluginPostExcerpt return <PluginPostExcerpt />. (61238)
• useBlockRefs: Use more efficient lookup map, use uSES. (60945)
• withBlockTree: Simplify code that replaces/removes controlled blocks. (61234)

Tools

• ESLint Plugin: Handle multi-line translator comments. (61096)

Testing

• Components: Fix snapshot tests of ToggleGroupControl. (61228)
• Fix ESLint warning in Performance test files. (61311)
• Hotfix: Fixed failing snapshot test. (61274)
• Update 3rd party actions within composite action. (61211)

Build Tooling

• Remove block-editor package usage from components. (60999)
• lint-staged-typecheck: Don't run TSC when no TS project is affected. (60998)

First time contributors

The following PRs were merged by first time contributors:

• @huubl: Output post classes in the editor. (60642)
• @itzmekhokan: Fix typo in clear customizations text. (61089)
• @lanresmith: Update an anchor link in block-in-the-editor.md. (59527)

Contributors

The following contributors merged PRs in this release:

@aaronrobertshaw @afercia @ajlende @carolinan @cbravobernal @colorful-tones @DaniGuardiola @desrosj @draganescu @ellatrix @fabiankaegy @fullofcaffeine @geriux @huubl @itzmekhokan @jameskoster @jasmussen @jeryj @jorgefilipecosta @jsnajdr @juanfra @juanmaguitar @lanresmith @MaggieCabrera @Mamaduka @mirka @ntsekouras @oandregal @ockham @ramonjd @retrofox @richtabor @SantosGuillamot @scruffian @shail-mehta @sirreal @stokesman @sunil25393 @swissspidy @t-hamano @talldan @twstokes @tyxla @youknowriad