6.3.0

Features

• A11y: Support Navigation and Edit modes to ease navigating between blocks.
• Support text alignments in Table block columns.
• Support changing the separator block color.

Enhancements

• Improvements to the BlockPreview component:
  • Support previewing a multiple blocks (a template).
  • Unify BlockPreview and BlockPreviewContent into a unique component.
  • Hide block appenders.
  • Expose the component in the block-editor module.
  • Scale the preview content according to the width of the preview container.
• Improvements to the Modal component design:
  • Increase the padding of the Modal component.
  • Correct the position of the close button.
• Use classnames instead of inline styles for text alignments in:
  • Verse block.
  • Quote block.
  • Paragraph block.
• Add a purple color option to the default color palette.
• A11y: Visible focus and active styles for Windows high contrast mode.
• Improve the design of the inline image controls in the Gallery block.
• I18n: Align the Read more string with WordPress Core.
• Removes the word-break :break-all CSS rule from the table cells.
• Update the Notice dismiss button to match other Gutenberg UI (color and icon).
• Modifies the shortcut hierarchy in the keyboard shortcuts modal.
• Remove edit gallery toolbar button.
• Add the possibility to disable document settings panels registered by plugins.
• ESLint plugin: Enable wp global by default in the recommended config.

Experiments

• Add a settings page to the plugin to enable/disable experimental features.
• Add padding when interacting with nested blocks to ease parent block selections.
• Widgets Screen:
  • Prevent the block toolbar from overlapping the widget area header.
  • Add the BlockEditorKeyboardShortcuts component.
  • Fixed block paddings.

New APIs

• Support Entities Local Edits in the Core Data Module.
• Support autosaving entities in the Core Data Module.
• Add support for disabled dropdown items in SelectControl.
• Add onFocusOutside prop as a replacement to Popover onClickOutside.
• Stop using unstable props on DropdownMenu.

Bug Fixes

• Prevent tooltips from appearing on mouse down.
• Avoid passing event object to save button onSave prop.
• Prevent image captions loss when editing a Gallery block.
• Rerender FormtTokenField component when the suggestions prop changes.
• Handle scalar return types values in useSelect.
• Fix php notice that can be triggered while using the Search block.
• Fix the Resolve Block Modal columns sizes.
• Fix duplicate content when pasting text into newly focused RichText.
• Fix Table block cell selection when clicking on the edge of the cells.
• Prevent the CSS reset from applying to the meta boxes.
• Fix misaligned Block toolbars on floated blocks.
• Fix the Notice component close button alignment and height.
• Link to the full size images in the Gallery block.
• Avoid leaking CSS transforms when disabling block animations.
• A11y: Avoid focusing the PostTitle component when switching between code and visual editor.
• A11y: Add a confirmation step to enable the Custom Fields option.
• Disable block insertion buttons and prevent moving blocks depending on the contextual restrictions (template locking and default block availability).
• Fix Block manager not honoring the allowed_block_types hook.
• Keep the Image block alt and caption attributes while uploading a new image.
• Don't render drop zone below the default block appender.
• Prevent horizontal arrow navigation errors.
• Fix shifting menu items on DropdownMenu.
• Make API Fetch refresh nonces as soon as they expired.

Various

• Github actions:
  • Automatically assign issues to PR authors.
  • Automatically assign the First-time Contributor label.
• Avoid unguarded getRangeAt usage and add eslint rule.
• Make the e2e transforms tests more stable.
• ESLint no-unused-vars-before-return rule: Exempt destructuring only if to multiple properties.
• Output an informational message for deprecations when no version provided.
• Refactor registry selectors to allow calling them from other regular selectors.
• Bail early in the deactivatePlugin e2e test utility if plugin is already inactive.
• Fix the CheckboxControl styles in a WordPress agnostic context.
• Move the auto-draft status and default title handling to the server.
• Code quality tweaks to the Table block e2e tests.
• Fix JSDocs errors across the entire repository.
• Upgrade Lerna to the latest version (3.16.4).
• Upgrade Puppeteer to the latest version (1.19.0).
• Upgrade ESLint to the latest version (6.1.0).
• Run npm audit fix to fix dependency vulnerabilities.
• Audit and fix all missing or obsolete package dependencies.
• Fix issue with jest caching of block.json files.
• Add eslint-plugin-jsdoc lint rule for better JSDoc linting.
• Fix intermittent RichText e2e test failures.
• Replace the react-click-outside dependency usage with our own Higher-order component withFocusOutside.
• Improve the usage of eslint-disable directives.
• Migrate the Github Actions to the new YAML syntax.

Documentation

• Enhance the components Design Documentation and guidelines:
  • DateTime component.
  • [Spinner](https://github.com/WordPress/g...

6.3.0 RC1

Features

• A11y: Support Navigation and Edit modes to ease navigating between blocks.
• Support text alignments in Table block columns.
• Support changing the separator block color.

Enhancements

• Improvements to the BlockPreview component:
  • Support previewing a multiple blocks (a template).
  • Unify BlockPreview and BlockPreviewContent into a unique component.
  • Hide block appenders.
  • Expose the component in the block-editor module.
  • Scale the preview content according to the width of the preview container.
• Improvements to the Modal component design:
  • Increase the padding of the Modal component.
  • Correct the position of the close button.
• Use classnames instead of inline styles for text alignments in:
  • Verse block.
  • Quote block.
  • Paragraph block.
• Add a purple color option to the default color palette.
• A11y: Visible focus and active styles for Windows high contrast mode.
• Improve the design of the inline image controls in the Gallery block.
• I18n: Align the Read more string with WordPress Core.
• Removes the word-break :break-all CSS rule from the table cells.
• Update the Notice dismiss button to match other Gutenberg UI (color and icon).
• Modifies the shortcut hierarchy in the keyboard shortcuts modal.
• Remove edit gallery toolbar button.
• Add the possibility to disable document settings panels registered by plugins.
• ESLint plugin: Enable wp global by default in the recommended config.

Experiments

• Add a settings page to the plugin to enable/disable experimental features.
• Add padding when interacting with nested blocks to ease parent block selections.
• Widgets Screen:
  • Prevent the block toolbar from overlapping the widget area header.
  • Add the BlockEditorKeyboardShortcuts component.
  • Fixed block paddings.

New APIs

• Support Entities Local Edits in the Core Data Module.
• Support autosaving entities in the Core Data Module.
• Add support for disabled dropdown items in SelectControl.
• Add onFocusOutside prop as a replacement to Popover onClickOutside.
• Stop using unstable props on DropdownMenu.

Bug Fixes

• Prevent tooltips from appearing on mouse down.
• Avoid passing event object to save button onSave prop.
• Prevent image captions loss when editing a Gallery block.
• Rerender FormtTokenField component when the suggestions prop changes.
• Handle scalar return types values in useSelect.
• Fix php notice that can be triggered while using the Search block.
• Fix the Resolve Block Modal columns sizes.
• Fix duplicate content when pasting text into newly focused RichText.
• Fix Table block cell selection when clicking on the edge of the cells.
• Prevent the CSS reset from applying to the meta boxes.
• Fix misaligned Block toolbars on floated blocks.
• Fix the Notice component close button alignment and height.
• Link to the full size images in the Gallery block.
• Avoid leaking CSS transforms when disabling block animations.
• A11y: Avoid focusing the PostTitle component when switching between code and visual editor.
• A11y: Add a confirmation step to enable the Custom Fields option.
• Disable block insertion buttons and prevent moving blocks depending on the contextual restrictions (template locking and default block availability).
• Fix Block manager not honoring the allowed_block_types hook.
• Keep the Image block alt and caption attributes while uploading a new image.
• Don't render drop zone below the default block appender.
• Prevent horizontal arrow navigation errors.
• Fix shifting menu items on DropdownMenu.
• Make API Fetch refresh nonces as soon as they expired.

Various

• Github actions:
  • Automatically assign issues to PR authors.
  • Automatically assign the First-time Contributor label.
• Avoid unguarded getRangeAt usage and add eslint rule.
• Make the e2e transforms tests more stable.
• ESLint no-unused-vars-before-return rule: Exempt destructuring only if to multiple properties.
• Output an informational message for deprecations when no version provided.
• Refactor registry selectors to allow calling them from other regular selectors.
• Bail early in the deactivatePlugin e2e test utility if plugin is already inactive.
• Fix the CheckboxControl styles in a WordPress agnostic context.
• Move the auto-draft status and default title handling to the server.
• Code quality tweaks to the Table block e2e tests.
• Fix JSDocs errors across the entire repository.
• Upgrade Lerna to the latest version (3.16.4).
• Upgrade Puppeteer to the latest version (1.19.0).
• Upgrade ESLint to the latest version (6.1.0).
• Run npm audit fix to fix dependency vulnerabilities.
• Audit and fix all missing or obsolete package dependencies.
• Fix issue with jest caching of block.json files.
• Add eslint-plugin-jsdoc lint rule for better JSDoc linting.
• Fix intermittent RichText e2e test failures.
• Replace the react-click-outside dependency usage with our own Higher-order component withFocusOutside.
• Improve the usage of eslint-disable directives.
• Migrate the Github Actions to the new YAML syntax.

Documentation

• Enhance the components Design Documentation and guidelines:
  • [DateTime](htt...

6.2.0

Enhancements

• Introduce Link Target support in Button block.
• Limit the maximum height of the HTML block.
• Show the preview button on mobile viewports.
• Remove nested block restrictions from the Cover and Media & Text blocks.
• A11y: Improving and standardize the block styles focus and active states.
• Always collapse block alignment toolbars.

Bug Fixes

• Fix using the Classic block in nested contexts.
• Fix lost nested blocks if the container block is missing.
• Fix pasting content into nested blocks.
• Fix race condition in the block moving animation causing blocks to overlap.
• A11y: Make the Table block accessible at high zoom levels.
• A11y: Change the font size picker markup to use select.
• A11y: Match the primary button disabled state to Core's color contrast.
• Fix the z-index of the block toolbars for blocks following wide aligned blocks.
• Hide the columns count control when the columns block placeholder is shown.
• Prevent the block movers from disappearing on middle breakpoints for full/wide blocks.
• Slimmer top/bottom spacing inside notices shown outside the editor canvas.
• Fix converting video shortcode into video blocks when file type sources are used.
• Localize the read more link in the latest posts block.
• Fix issue with inconsistent nesting appender.
• Fix styling of IconButton used in ButtonGroup components.
• Remove Change Permalinks button when permalink is not editable.
• Fix aspect ratio typo and recalculate padding in embed block.
• Ensure hour/minute fields are always shown left to right in RTL languages.
• Refactor the empty line padding in the RichText component. This fixes padding issues in the list block in Firefox.
• Improve the stability of the RichText placeholder.
• Add custom placeholder support for the button block.
• Show the image size labels on the block-based widget screen.

Documentation

• Clarify the block title and description conventions.
• Add RichText component documentation to the Block Editor Handbook.
• Improve the repository triage docs.
• Adds documentation for the PluginDocumentSettingPanel SlotFill.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 , 13, 14.

Divers

• Add a simple API to register block style variations on the server.
• Allow alternative blocks to be used to handle Grouping interactions.
• Fix Travis instability by waiting for MySQL availability before install the plugin.
• Continue the generic RichText component refactoring.
• Remove the usage of the editor store from the block editor module.
• Update the MilestoneIt Github action to read the plugin version from master.
• Refactor the post meta block attributes to use a generic custom sources mechanism.
• Expose position prop in DotTip component.
• Avoid docker containers automatic restart.
• Bump Lodash dependencies to 4.17.14.
• Fix the build command on Windows environments.
• Add allowedFormats and withoutInteractiveFormats props to the RichText component to control the available formats per RichText.
• Remove inappropriate executable permissions from core-data package files.
• ESLint Plugin: Exempt React hooks from no-unused-vars-before-return.
• Use React Portal based slots for the block toolbar.
• Use combineReducers utility from the data module instead of redux.
• Support hideLabelFromVision prop in all control components.
• Adds missing babel-jest and core-js dependencies to the scripts package.

Mobile

• Tapping on an empty editor area creates a new paragraph block.
• Fix video uploads when the connection is lost and restored.
• Track unsupported block list.
• Insert new block below the post title if the post title is selected.
• Run the mobile tests in the Gutenberg CI server.
• Replace use of deprecated componentWillReceiveProps in ImageEdit.
• Show placeholder when adding block from the post title.
• Blur post title any time another block is selected.
• Inserting block from the post title replaces empty blocks.
• Update Video caption placeholder color to match other placeholder text styles.
• Move the post title selection state to the store.

6.2.0 RC1

Enhancements

• Introduce Link Target support in Button block.
• Limit the maximum height of the HTML block.
• Show the preview button on mobile viewports.
• Remove nested block restrictions from the Cover and Media & Text blocks.
• A11y: Improving and standardize the block styles focus and active states.
• Always collapse block alignment toolbars.

Bug Fixes

• Fix using the Classic block in nested contexts.
• Fix lost nested blocks if the container block is missing.
• Fix pasting content into nested blocks.
• Fix race condition in the block moving animation causing blocks to overlap.
• A11y: Make the Table block accessible at high zoom levels.
• A11y: Change the font size picker markup to use select.
• A11y: Match the primary button disabled state to Core's color contrast.
• Fix the z-index of the block toolbars for blocks following wide aligned blocks.
• Hide the columns count control when the columns block placeholder is shown.
• Prevent the block movers from disappearing on middle breakpoints for full/wide blocks.
• Slimmer top/bottom spacing inside notices shown outside the editor canvas.
• Fix converting video shortcode into video blocks when file type sources are used.
• Localize the read more link in the latest posts block.
• Fix issue with inconsistent nesting appender.
• Fix styling of IconButton used in ButtonGroup components.
• Remove Change Permalinks button when permalink is not editable.
• Fix aspect ratio typo and recalculate padding in embed block.
• Ensure hour/minute fields are always shown left to right in RTL languages.
• Refactor the empty line padding in the RichText component. This fixes padding issues in the list block in Firefox.
• Improve the stability of the RichText placeholder.
• Add custom placeholder support for the button block.
• Show the image size labels on the block-based widget screen.

Documentation

• Clarify the block title and description conventions.
• Add RichText component documentation to the Block Editor Handbook.
• Improve the repository triage docs.
• Adds documentation for the PluginDocumentSettingPanel SlotFill.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 , 13, 14.

Divers

• Add a simple API to register block style variations on the server.
• Allow alternative blocks to be used to handle Grouping interactions.
• Fix Travis instability by waiting for MySQL availability before install the plugin.
• Continue the generic RichText component refactoring.
• Remove the usage of the editor store from the block editor module.
• Update the MilestoneIt Github action to read the plugin version from master.
• Refactor the post meta block attributes to use a generic custom sources mechanism.
• Expose position prop in DotTip component.
• Avoid docker containers automatic restart.
• Bump Lodash dependencies to 4.17.14.
• Fix the build command on Windows environments.
• Add allowedFormats and withoutInteractiveFormats props to the RichText component to control the available formats per RichText.
• Remove inappropriate executable permissions from core-data package files.
• ESLint Plugin: Exempt React hooks from no-unused-vars-before-return.
• Use React Portal based slots for the block toolbar.
• Use combineReducers utility from the data module instead of redux.
• Support hideLabelFromVision prop in all control components.
• Adds missing babel-jest and core-js dependencies to the scripts package.

Mobile

• Tapping on an empty editor area creates a new paragraph block.
• Fix video uploads when the connection is lost and restored.
• Track unsupported block list.
• Insert new block below the post title if the post title is selected.
• Run the mobile tests in the Gutenberg CI server.
• Replace use of deprecated componentWillReceiveProps in ImageEdit.
• Show placeholder when adding block from the post title.
• Blur post title any time another block is selected.
• Inserting block from the post title replaces empty blocks.
• Update Video caption placeholder color to match other placeholder text styles.
• Move the post title selection state to the store.

6.1.1

Bug Fixes

• Prevent automatic conversion of widgets to blocks when using the customizer.
• Fix missing block properties on block registration filters used for the deprecated versions.

6.1.0

Enhancements

• Introduce motion/animation when reordering/adding/removing blocks.
• Improve the Image block link settings and move it to the block toolbar.
• Use a snackbar notice when clicking “Copy all content”.
• Show REST API error messages as notices.
• Clarify the wording of the view link in the Permalink panel.
• Hide the “Copy all content” button if the post is empty.
• Hide the ungroup action when there are no inner blocks.
• Use admin schemes dependent focus state for primary buttons.
• Add support for the table cells scope attribute when pasting.

Experiments

• Introduce a new Customizer Panel to edit block-based widget areas.
• Add the block inspector to the widgets screen.
• Add a global inserter to the widgets screen.

Bug Fixes

• Show the pre-publish panel for contributors.
• Fix the save in progress state of the Publish/Update Button.
• Fix adding/removing columns from the table block when using header/footer sections.
• Fix Image block not preserving custom dimensions when opening the media library.
• Resize Image blocks properly when changing the width from the inspector.
• Fix php error that can potentially be triggered by gutenberg_is_block_editor.
• Fix error when using the “tag” block attribute source type.
• Fix chrome rendering bug happening when resizing images.
• Fix the data-block style selector to avoid affecting third-party components.
• Allow the columns layout options to wrap on small screens.
• Fix isShallowEqual edge case when the second argument is undefined.
• Prevent the disabled block switcher icon from becoming unreadable.
• Fix Group Block deprecation and any deprecation relying on hooks.
• A11y:
  • Make the top toolbar wrap at high zoom levels.
  • Fix the sticky notices at high zoom levels.

Performance

• Improve the performance of the i18n Tannin library.
• Track the block parent in the state to optimize hierarchy selectors.
• Add a cache key tracked in state to optimize the getBlock selector.

Documentation

• Document the plugin release tool.
• Document the use-cases of the dynamic blocks.
• Tweaks and typos: 1, 2, 3, 4, 5, 6.

Various

• Introduce a PluginDocumentSettingPanel slot to allow third-party plugins to add panels to the document sidebar tab.
• Deploy the playground automatically to Github Pages. https://wordpress.github.io/gutenberg/
• Extract a generic RichText component to the @wordpress/rich-text package.
• Refactor the editor initialization to rely on a component.
• Remove unused internal asType utility.
• Fix react-no-unsafe-timeout ESlint rule when using variable assignment.
• Add support for watching block.json files when running “npm run dev”.
• Remove: experimental status from blockEditor.transformStyles.
• Upgrade PHPCS composer dependencies and use strict comparisons to align with the PHPCS guidelines.
• Fix a small console warning when running performance tests.

Mobile

• Correct the position of the block insertion indicator.
• Unify Editor and Layout components with the web component hierarchy.

6.1.0 RC1

Enhancements

• Introduce motion/animation when reordering/adding/removing blocks.
• Improve the Image block link settings and move it to the block toolbar.
• Use a snackbar notice when clicking “Copy all content”.
• Show REST API error messages as notices.
• Clarify the wording of the view link in the Permalink panel.
• Hide the “Copy all content” button if the post is empty.
• Hide the ungroup action when there are no inner blocks.
• Use admin schemes dependent focus state for primary buttons.
• Add support for the table cells scope attribute when pasting.

Experiments

• Introduce a new Customizer Panel to edit block-based widget areas.
• Add the block inspector to the widgets screen.
• Add a global inserter to the widgets screen.

Bug Fixes

• Show the pre-publish panel for contributors.
• Fix the save in progress state of the Publish/Update Button.
• Fix adding/removing columns from the table block when using header/footer sections.
• Fix Image block not preserving custom dimensions when opening the media library.
• Resize Image blocks properly when changing the width from the inspector.
• Fix php error that can potentially be triggered by gutenberg_is_block_editor.
• Fix error when using the “tag” block attribute source type.
• Fix chrome rendering bug happening when resizing images.
• Fix the data-block style selector to avoid affecting third-party components.
• Allow the columns layout options to wrap on small screens.
• Fix isShallowEqual edge case when the second argument is undefined.
• Prevent the disabled block switcher icon from becoming unreadable.
• Fix Group Block deprecation and any deprecation relying on hooks.
• A11y:
  • Make the top toolbar wrap at high zoom levels.
  • Fix the sticky notices at high zoom levels.

Performance

• Improve the performance of the i18n Tannin library.
• Track the block parent in the state to optimize hierarchy selectors.
• Add a cache key tracked in state to optimize the getBlock selector.

Documentation

• Document the plugin release tool.
• Document the use-cases of the dynamic blocks.
• Tweaks and typos: 1, 2, 3, 4, 5, 6.

Various

• Introduce a PluginDocumentSettingPanel slot to allow third-party plugins to add panels to the document sidebar tab.
• Deploy the playground automatically to Github Pages. https://wordpress.github.io/gutenberg/
• Extract a generic RichText component to the @wordpress/rich-text package.
• Refactor the editor initialization to rely on a component.
• Remove unused internal asType utility.
• Fix react-no-unsafe-timeout ESlint rule when using variable assignment.
• Add support for watching block.json files when running “npm run dev”.
• Remove: experimental status from blockEditor.transformStyles.
• Upgrade PHPCS composer dependencies and use strict comparisons to align with the PHPCS guidelines.
• Fix a small console warning when running performance tests.

Mobile

• Correct the position of the block insertion indicator.
• Unify Editor and Layout components with the web component hierarchy.

6.0.0

Features

• Support choosing a pre-defined layout for the Columns block. 

Enhancements

• Add Snackbar notices support to the widgets screen.
• Add an inner container to the Group block to simplify theme styling.
• Avoid stacking successive MediaPlaceholder errors.
• Adjust the DatePicker margins.
• Update the Tag Cloud block copy when no terms are found.
• Add descriptive text and a link to documentation in embed blocks.
• Improve placeholder text phrasing for media blocks.
• Use classnames for the text alignments in the heading block.
• Make the inserter category icons grayscale.
• A11y: Make the modal overlay scrim darker.

Bug Fixes

• Fix warning messages triggered by the Group block icons.
• Fix horizontal scrollbar on full-wide blocks with nesting.
• A11y: 
  • Re-enable the menu item hover state on small screens.
  • Correct text zoom issue in the Content Structure popover.
• Fix the Popovers position in the widgets screen.
• Fix the behavior of the block toolbars in the widgets screen.
• Fix the editor in IE11 (use the CJS version of react-spring).
• Fix formatting of the validation error messages in the console.
• Fix breakage when the CPT doesn’t support title.

Various

• Document and simplify the multi-entrypoints support in the @wordpress/scripts package. 
• Create sub-registry automatically when using EditorProvider.
• Use classnames utility instead of concatenating classnames in the TabPanel component.
• Remove the default value for the required onRequestClose prop in the Modal component.
• Remove the editor package dependency from the media blocks.
• Fix the playground build script.
• Fix the Github action assigning milestones.
• Fix naming conventions for function containing CLI keyword.
• Fix the Travis build artifacts job to use a full npm install while building.
• Make Calendar block resilient to the editor module not being present.
• Ensure the Snackbar component is only used with a single action button.
• Remove SlotFillProvider and DropZoneProvider from the BlockEditorProvider.
• Add the initial version of the Block Registration RFC.
• Add popoverProps prop to the Dropdown component.
• Update Image Block's image classes with dimensions.
• Support registering custom grouping blocks.
• Fix h1 heading typo so h1 is same size as title.
• Remove the custom class support from the legacy widget block.

Documentation

• Prefer register_post_meta over register_meta.
• Add mention of Figma to the design contributing docs.
• Add supported attribute types for the Blocks API.
• Enhance the Annotations API documentation.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11.

Mobile

• Fix multiline Image block captions in iOS.
• Avoid unnecessary div elements in the content of Quote blocks.
• Update the default colors used in the RichText component.
• Fix pasting text on Post Title.
• Unify the web and mobile components hierarchy:
  • BlockPicker and Inserter.
  • BlockToolbar.
  • BlockMobileToolbar.
  • BlockListBlock.
  • BlockList.
• Add native component HTMLTextInput.
• Update the video player to open the URL by browser on Android.
• Re-enable the Video block on Android.

6.0.0 RC1

Features

• Support choosing a pre-defined layout for the Columns block. 

Enhancements

• Add Snackbar notices support to the widgets screen.
• Add an inner container to the Group block to simplify theme styling.
• Avoid stacking successive MediaPlaceholder errors.
• Adjust the DatePicker margins.
• Update the Tag Cloud block copy when no terms are found.
• Add descriptive text and a link to documentation in embed blocks.
• Improve placeholder text phrasing for media blocks.
• Use classnames for the text alignments in the heading block.
• Make the inserter category icons grayscale.
• A11y: Make the modal overlay scrim darker.

Bug Fixes

• Fix warning messages triggered by the Group block icons.
• Fix horizontal scrollbar on full-wide blocks with nesting.
• A11y: 
  • Re-enable the menu item hover state on small screens.
  • Correct text zoom issue in the Content Structure popover.
• Fix the Popovers position in the widgets screen.
• Fix the behavior of the block toolbars in the widgets screen.
• Fix the editor in IE11 (use the CJS version of react-spring).
• Fix formatting of the validation error messages in the console.
• Fix breakage when the CPT doesn’t support title.

Various

• Document and simplify the multi-entrypoints support in the @wordpress/scripts package. 
• Create sub-registry automatically when using EditorProvider.
• Use classnames utility instead of concatenating classnames in the TabPanel component.
• Remove the default value for the required onRequestClose prop in the Modal component.
• Remove the editor package dependency from the media blocks.
• Fix the playground build script.
• Fix the Github action assigning milestones.
• Fix naming conventions for function containing CLI keyword.
• Fix the Travis build artifacts job to use a full npm install while building.
• Make Calendar block resilient to the editor module not being present.
• Ensure the Snackbar component is only used with a single action button.
• Remove SlotFillProvider and DropZoneProvider from the BlockEditorProvider.
• Add the initial version of the Block Registration RFC.
• Add popoverProps prop to the Dropdown component.
• Update Image Block's image classes with dimensions.
• Support registering custom grouping blocks.
• Fix h1 heading typo so h1 is same size as title.
• Remove the custom class support from the legacy widget block.

Documentation

• Prefer register_post_meta over register_meta.
• Add mention of Figma to the design contributing docs.
• Add supported attribute types for the Blocks API.
• Enhance the Annotations API documentation.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11.

Mobile

• Fix multiline Image block captions in iOS.
• Avoid unnecessary div elements in the content of Quote blocks.
• Update the default colors used in the RichText component.
• Fix pasting text on Post Title.
• Unify the web and mobile components hierarchy:
  • BlockPicker and Inserter.
  • BlockToolbar.
  • BlockMobileToolbar.
  • BlockListBlock.
  • BlockList.
• Add native component HTMLTextInput.
• Update the video player to open the URL by browser on Android.
• Re-enable the Video block on Android.

5.9.2

Bug Fixes

• Fix Regression for blocks using InnerBlocks.Content from the editor package (support forwardRef components in the block serializer).