20.3.0 RC1

Changelog

Enhancements

• Disable hover animation on preview frame for classic themes. (68976)

Block Library

• Added discord in social links. (68848)
• Featured Image block: Use resolution tool component. (68471)
• Query block: Add option to ignore sticky posts behavior. (69057)
• RSS: Border & Spacing support. (66411)

Global Styles

• Disable Clear button if there's no shadow. (69092)
• Duotone Settings: Add reset button and improve toggle rendering in FiltersPanel. (68672)
• Shadow Panel: Add reset button. (68981)

Post Editor

• Editor: Add loading state to the 'PageAttributesParent' component. (69062)
• Editor: Add loading state to the 'PostAuthorCombobox' component. (68991)
• Editor: Display error message when loading current post fails. (68999)

Block Editor

• Quick Inserter: Restore pattern search and insertion. (69028)
• Update keyboard shortcuts to use primaryShift+backspace for block deletion. (69074)

Design Tools

• Archives: Add Color Support. (68685)
• Categories: Add Color Support. (68686)

Components

• ComboboxControl: Add an isLoading prop to show a loading spinner. (68990)

Bug Fixes

• Exclude Iterator helpers from polyfills. (69070)
• Fix Dependabot ignore statements. (69144)

Block Editor

• Block popover: Fix scrolling over. (68075)
• Display root appender when default block is disabled. (68951)
• Fix regression for root appender logic. (68994)
• Inserter: Remove block default icon from no results message. (68693)
• Rename aspect property to ratio to carry the defaultAspect in AspectRatioDropdown. (69085)
• Writing Flow: Restore early return for no block selection in tab nav hook. (69079)

Site Editor

• Edit Site: Fix Fields package private APIs error. (68964)
• Fix: Site Editor should display a 404 message. (69009)
• Use the same editor component for all routes. (69093)

Global Styles

• Fix: Additional CSS button not working after back navigation. (68954)
• Fix: Missing 'No blocks found.' message for block search in editor. (69036)

Block Library

• Query Block: Fix 'parents' argument validation. (68983)
• Social Links: Fix appender size in non-iframe editor. (68215)

REST API

• Add support for the 'ignore_sticky_posts' argument. (68970)
• Fix: Prevent Errors in Header Processing and Encode URLs Properly. (67780)

Icons

• Fix the background, arrowUpLeft, keyboardReturn and square icons. (69076)

Font Library

• Refactor font variant components to use useId for checkbox IDs. (69050)

Block Directory

• Remove block icon from InstalledBlocksPrePublishPanel. (69046)

DataViews

• Fixed: Empty Pattern Overlap in Pattern Title in Dataviews Table Layout. (68997)

Media

• Add optional chain to sizes indexing of media details in edit-site. (68995)

CSS & Styling

• Enabled Full height in Additional CSS. (68993)

Block hooks

• Fix truncation of post content. (68926)

Interactivity API

• iAPI Router: Fix CSS rule order in some constructed style sheets. (68923)

Accessibility

Components

• Font Size Picker: Remove Custom option from FontSizePickerSelect dropdown. (69038)

Global Styles

• Add missing list role to the list of blocks in the global Styles. (69027)

Block API

• Block support: Preserve aria-label value in comment delimiter. (69002)

Block Editor

• [Block Editor]: A11y - Add and Update missing reduce-motion mixing. (68417)

Performance

Post Editor

• Editor: Don't use selector shortcuts for the taxonomy queries. (68998)
• Editor: Optimize 'PostAuthorCheck' component data selection. (69105)

Style Book

• Improve StyleBook resize responsiveness for Classic Theme. (68980)

Documentation

• Added Missing Global Documentation. (69104)
• Changed Inline Document Order. (68992)
• wp-env: Add lifecycleScripts to the schema. (68724)

Code Quality

• Core Data: Add type for term entity. (69151)
• iAPI Router: Add missing changelog entry for #68923. (68945)

Block Library

• E2E: Add regression test for spacer block in themes without spacing units. (68913)
• Navigation Link Block: Use stable variable for underline color styling. (68953)
• Regenerate block fixtures. (68982)
• Social Links: Remove redundant reduce-motion mixin. (69000)

Site Editor

• Fast follow: Redirections of deprecated site editor URLs. (68971)
• Quality: Remove unused props and styles from SidebarNavigationScreen. (68972)

Block Editor

• Inserter: Remove unused no-results-icon styles. (69018)

Tools

• PR Template: Suggest linking the issue. (68924)
• Relocate changelog file for WP#6910 to 6.9 backports. (69068)

Build Tooling

• Fix installing svn during deploys. (69047)
• Remove react-native dependabot group. (69118)

Testing

• e2e: Fix "add new" selector. (69111)

Various

• Remove react-native dependabot group - Take 2. (69122)

Plugin

• Code Quality: Delete unused function from PHP Sync Issue generation script. (68947)
• npm scripts: Use node -p instead of echo. (68946)

First-time contributors

The following PRs were merged by first-time contributors:

• @benazeer-ben: RSS: Border & Spacing support. (66411)
• @grgar: Add optional chain to sizes indexing of media details in edit-site. (68995)
• @Gulamdastgir-Momin: Added discord in social links. (68848)
• @Juzar10: Fix: Prevent Errors in Header Processing and Encode URLs Properly. (67780)
• @singhakanshu00: Disable hover animation on preview frame for classic themes. (68976)
• @srtfisher: wp-env: Add lifecycleScripts to the schema. (68724)

Contributors

The following contributors merged PRs in this release:

@adamsilverstein @afercia @akasunil @benazeer-ben @carolinan @DAreRodz @desrosj @ellatrix @grgar @Gulamdastgir-Momin @himanshupathak95 @Infinite-Null @joemcgill @Juzar10 @Mamaduka @Mayank-Tripathi32 @ockham @peterwilsoncc @Rishit30G @SainathPoojary @shail-mehta @shimotmk @singhakanshu00 @srtfisher @swissspidy @t-hamano @torounit @yogeshbhutkar