5.5.0

Changelog

Features

• Add a new Group block.
• Add vertical alignment support to the Media & Text block.
• Add the image fill option to the Media & Text block.

Enhancements

• Improvements to the Image Block flows.
• Automatically add mailto: to email addresses when linking.
• Add visual handles for side resizers for various blocks.
• Improve the performance of the annotations by avoiding excessive memoization.
• Announce the color accessibility issues to screen readers.
• Add enum block attributes validation to browser block parser.
• Use a consistent grey background in the Shortcode block.
• Improve accessibility of video block select poster image.
• Respect prefers-reduced-motion for fixed backgrounds in Cover block.
• Prevent ArrowLeft key press in multi-line selection from prematurely triggering multi-selection.

Bug Fixes

• Avoid keeping the RichText value in cache indefinitely.
• Fix the post title input borders in the code editor.
• Fix the block restrictions to insert, replace or move blocks.
• Select gallery images on focus.
• Fix removing gallery images on delete/backspace key press.
• Fix small visual regression in the block autocompete popover.
• Fix the data module resolver resolution status.
• Avoid saving metaboxes when previewing changes.
• Fix selecting the separator block.
• Fix displaying the color palette tooltips on hover.
• Fix Firefox/NVDA bug not announcing the toggle settings button.
• Fix arrow navigation in paragraph blocks with backgrounds.
• Fix the columns block click to select.
• Fix post dirtiness after fetching reusable blocks.
• Fix the hover and focus styles for buttons with the isBusy prop.
• Remove the box shadow from the side inserter button.
• Changing the region navigation shortcuts to avoid conflicts.
• Fix space insertion in the Button block in Firefox.
• Prevent the link popover from animating constantly as we type. 
• Fix the warning triggered by clearing the height of the spacer block.
• Fix undo behavior after fresh post loading.

Documentation

• Add design documentation to the Modal component.
• Clarify the CSS naming coding guidelines.
• Add InspectorControls usage example.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13.

Various

• Bootstrap the design of the new widgets screen (non functional yet).
• Reorganization of the block-library code base:
  • Use a babel plugin to load block.json files.
  • Introduce block.json metadata for all client side blocks.
  • Move the edit functions and the icons to separate files.
  • Move the transforms and save functions to separate files.
• Add forwardRef support to the PlainText component.
• Support Button Block Appender in the InnerBlocks component.
• Unset the focal point attributes from the Cover block if not needed.
• Consistently return promises from the data module action calls.
• Remove obsolete CSS currentColor usage.
• Improve the e2e test CLI arguments and docs.
• Improve the e2e test login stability on MacOS.
• Remove is-plain-obj package dependency.
• Remove invalid urls and ids from media test fixtures.
• Remove the deprecated Gutenberg plugin functions slated for 5.4 and 5.5.
• remove or rename undocumented RichText package functions and constants.
• Adjust paragraph block spacing to use standardised variables.
• Allow spaces in file paths for package build process. 
• Update pre-commit to check modified files only.
• Improve the performance of the webpack build configuration.
• Update dependencies with known vulnerabilities.
• Fix typo in variable names.

Mobile

• Accessibility improvements to the Button component.
• Enhance the unsupported block type. 
• Fix image upload progress not being displayed consistently.
• Support copy/pasting images.
• Add the list block.
• Visual refinements for the native nextpage block.
• Fix importing the column block.
• Remove DOM logic from the list block toolbar.
• Put the caret at the end of the text field after merging blocks.
• Fix caret position after inline paste.

5.5.0-rc.1

Changelog

Features

• Add a new Group block.
• Add vertical alignment support to the Media & Text block.
• Add the image fill option to the Media & Text block.

Enhancements

• Improvements to the Image Block flows.
• Automatically add mailto: to email addresses when linking.
• Add visual handles for side resizers for various blocks.
• Improve the performance of the annotations by avoiding excessive memoization.
• Announce the color accessibility issues to screen readers.
• Add enum block attributes validation to browser block parser.
• Use a consistent grey background in the Shortcode block.
• Improve accessibility of video block select poster image.
• Respect prefers-reduced-motion for fixed backgrounds in Cover block.
• Prevent ArrowLeft key press in multi-line selection from prematurely triggering multi-selection.

Bug Fixes

• Avoid keeping the RichText value in cache indefinitely.
• Fix the post title input borders in the code editor.
• Fix the block restrictions to insert, replace or move blocks.
• Select gallery images on focus.
• Fix removing gallery images on delete/backspace key press.
• Fix small visual regression in the block autocompete popover.
• Fix the data module resolver resolution status.
• Avoid saving metaboxes when previewing changes.
• Fix selecting the separator block.
• Fix displaying the color palette tooltips on hover.
• Fix Firefox/NVDA bug not announcing the toggle settings button.
• Fix arrow navigation in paragraph blocks with backgrounds.
• Fix the columns block click to select.
• Fix post dirtiness after fetching reusable blocks.
• Fix the hover and focus styles for buttons with the isBusy prop.
• Remove the box shadow from the side inserter button.
• Changing the region navigation shortcuts to avoid conflicts.
• Fix space insertion in the Button block in Firefox.
• Prevent the link popover from animating constantly as we type. 
• Fix the warning triggered by clearing the height of the spacer block.
• Fix undo behavior after fresh post loading.

Documentation

• Add design documentation to the Modal component.
• Clarify the CSS naming coding guidelines.
• Add InspectorControls usage example.
• Tweaks and typos: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13.

Various

• Bootstrap the design of the new widgets screen (non functional yet).
• Reorganization of the block-library code base:
  • Use a babel plugin to load block.json files.
  • Introduce block.json metadata for all client side blocks.
  • Move the edit functions and the icons to separate files.
  • Move the transforms and save functions to separate files.
• Add forwardRef support to the PlainText component.
• Support Button Block Appender in the InnerBlocks component.
• Unset the focal point attributes from the Cover block if not needed.
• Consistently return promises from the data module action calls.
• Remove obsolete CSS currentColor usage.
• Improve the e2e test CLI arguments and docs.
• Improve the e2e test login stability on MacOS.
• Remove is-plain-obj package dependency.
• Remove invalid urls and ids from media test fixtures.
• Remove the deprecated Gutenberg plugin functions slated for 5.4 and 5.5.
• remove or rename undocumented RichText package functions and constants.
• Adjust paragraph block spacing to use standardised variables.
• Allow spaces in file paths for package build process. 
• Update pre-commit to check modified files only.
• Improve the performance of the webpack build configuration.
• Update dependencies with known vulnerabilities.
• Fix typo in variable names.

Mobile

• Accessibility improvements to the Button component.
• Enhance the unsupported block type. 
• Fix image upload progress not being displayed consistently.
• Support copy/pasting images.
• Add the list block.
• Visual refinements for the native nextpage block.
• Fix importing the column block.
• Remove DOM logic from the list block toolbar.
• Put the caret at the end of the text field after merging blocks.
• Fix caret position after inline paste.

5.4.0

Changelog

Features

• Add vertical alignment support for the columns block.
• Add playsinline support for the video block.

Enhancements

• Add the Media Library button to the gallery block appender.
• Improve appearance of the block hover state on colored backgrounds.
• Move the color and font size caption styles into theme styles.
• Replace the verse block icon.
• Standardize align and className attributes for dynamic blocks.
• Remove the title from mobile inserters.
• Capitalize button labels.
• Remove menu toggling on checkbox, radio buttons clicks.
• Make the invisible image resize handlers bigger.
• Improve the alt text field description.

Bug Fixes

• Improve the format boundary styles.
• Convert void blocks properly when converting or pasting content.
• Fix the ClipboardButton component behavior in Safari.
• Fix expanding the text selection when using shift + vertical arrows.
• Fix the alignment of the third-party block settings items.
• Fix invalid HTML in some more menu items.
• Fix JavaScript error in the columns block.
• Fix radio button appearance on small screens.
• Save line breaks in the preformatted block.
• Fix edge case in the is_gutenberg_page plugin function.
• Fix toolbar position in full size aligned blocks on small screens.
• Fix double scrollbar issue in Full Screen mode.
• Fix JavaScript error when downgrading to an old Gutenberg version.
• Fix the WordPress embed block resolution.
• Fix embedding links with trailing slashes.
• Fix the preloading apiFetch middleware when initialized empty.
• Fix php notice when using widgets without description.
• Better horizontal edge detection to fix the arrow key navigation in the table block.
• Fix error in API Fetch initialization.
• Fix unwanted margin in Column block.
• Fixes issue where emoji would be destroyed.

Documentation

• Document the block editor module.
• Add design documentation for the Panel component.
• Document webpack config extensibility.
• Clarify experimental and unstable API guidelines.
• Setup automatic API documentation for the data module.
• Improve the automatic API documentation tool.
• Enhance the components documentation:
  • FormFileUpload component.
  • MediaPlaceholder component.
  • Notice component.
  • TextControl component.
• Updates the blocks creation tutorial.
• Typos & tweaks: 1, 2, 3, 4, 5, 6, 7, 8, 9.

Various

• Implement a built-in static Gutenberg Playground.
• Override core block server-side code when using the plugin.
• Make the block editor module more reusable.
• Expose the lazy and Suspence React features in the element package.
• Avoid assuming persisted preferences state shape.
• Remove dead code from the calendar block renderer.
• Extract global CSS resets into reusable mixins.
• Replace image urls by base 64 encoded images in reusable CSS files.
• Add default empty implementation for the block types save function.
• Add a new data action to replace the inner blocks.
• Support parent data registry inheritance in the data module.
• Add extra props support for the Dashicon component.
• Add a BaseControl.VisualLabel component for purely visual labels.
• Refactor setupEditor effects to actions.
• Refactor the core/data store to be independent from the registry object.
• Remove componentWillMount usage from LatestPostEdit component.
• Add a generic e2e test for block transforms and work on its stability.
• Allow e2e test failures for php versions lower than 5.6.
• Add eslint rule to prevent incorrect truthy length property checks.
• Add eslint rule to prevent unsafe setTimeout usage in components.
• Run the local gutenberg environment in debug mode.
• Disable

5.4.0-rc.1

Changelog

Features

• Add vertical alignment support for the columns block.
• Add playsinline support for the video block.

Enhancements

• Add the Media Library button to the gallery block appender.
• Improve appearance of the block hover state on colored backgrounds.
• Move the color and font size caption styles into theme styles.
• Replace the verse block icon.
• Standardize align and className attributes for dynamic blocks.
• Remove the title from mobile inserters.
• Capitalize button labels.
• Remove menu toggling on checkbox, radio buttons clicks.
• Make the invisible image resize handlers bigger.
• Improve the alt text field description.

Bug Fixes

• Improve the format boundary styles.
• Convert void blocks properly when converting or pasting content.
• Fix the ClipboardButton component behavior in Safari.
• Fix expanding the text selection when using shift + vertical arrows.
• Fix the alignment of the third-party block settings items.
• Fix invalid HTML in some more menu items.
• Fix JavaScript error in the columns block.
• Fix radio button appearance on small screens.
• Save line breaks in the preformatted block.
• Fix edge case in the is_gutenberg_page plugin function.
• Fix toolbar position in full size aligned blocks on small screens.
• Fix double scrollbar issue in Full Screen mode.
• Fix JavaScript error when downgrading to an old Gutenberg version.
• Fix the WordPress embed block resolution.
• Fix embedding links with trailing slashes.
• Fix the preloading apiFetch middleware when initialized empty.
• Fix php notice when using widgets without description.
• Better horizontal edge detection to fix the arrow key navigation in the table block.
• Fix error in API Fetch initialization.
• Fix unwanted margin in Column block.

Documentation

• Document the block editor module.
• Add design documentation for the Panel component.
• Document webpack config extensibility.
• Clarify experimental and unstable API guidelines.
• Setup automatic API documentation for the data module.
• Improve the automatic API documentation tool.
• Enhance the components documentation:
  • FormFileUpload component.
  • MediaPlaceholder component.
  • Notice component.
  • TextControl component.
• Updates the blocks creation tutorial.
• Typos & tweaks: 1, 2, 3, 4, 5, 6, 7, 8, 9.

Various

• Implement a built-in static Gutenberg Playground.
• Override core block server-side code when using the plugin.
• Make the block editor module more reusable.
• Expose the lazy and Suspence React features in the element package.
• Avoid assuming persisted preferences state shape.
• Remove dead code from the calendar block renderer.
• Extract global CSS resets into reusable mixins.
• Replace image urls by base 64 encoded images in reusable CSS files.
• Add default empty implementation for the block types save function.
• Add a new data action to replace the inner blocks.
• Support parent data registry inheritance in the data module.
• Add extra props support for the Dashicon component.
• Add a BaseControl.VisualLabel component for purely visual labels.
• Refactor setupEditor effects to actions.
• Refactor the core/data store to be independent from the registry object.
• Remove componentWillMount usage from LatestPostEdit component.
• Add a generic e2e test for block transforms and work on its stability.
• Allow e2e test failures for php versions lower than 5.6.
• Add eslint rule to prevent incorrect truthy length property checks.
• Add eslint rule to prevent unsafe setTimeout usage in components.
• Run the local gutenberg environment in debug mode.
• Disable debug mode in local e2e tests.

5.3.0

Features

• Add the block management modal: Ability to hide/show blocks in the inserter.
• Support nested blocks for the Cover Block.
• Add an experimental Legacy Widget Block (enabled only in the plugin for the moment).

Enhancements

• Update the block outlines for the hover and selected states.
• Allow undoing automatic pattern block transformations.
• Add a RichText collapsed format toolbar for code, inline image and strikethrough formats.
• Allow collapsing inserter panels when searching.
• Add ability to transform video shortcodes to video blocks.
• Add ability to transform audio shortcodes to audio blocks.
• Add new @wordpress/data actions to invalidate the resolvers cache.
• Support custom classNames in the ToggleControl component.
• Clarify the button to exit the post lock modal.
• Improve the block validation error message.
• Automatically use the WordPress babel config when using @wordpress/scripts CLI.
• Add keyboard shortcuts to indent/outdent list items.
• Use links instead of buttons in the document outline.
• Use <s> for strikethrough, not <del>.
• Center the tooltips content.
• Update wording of the block switcher tooltip.
• Add support for the reduced motion browser mode.

Bug Fixes

• Always show the current month in the Calendar block for All CPTs but post.
• In the Latest posts block, avoid full line clickable titles.
• Avoid relying on DOM nodes to add the empty line in RichText component. This fixes a number of lingering empty lines.
• Fix the MediaPlaceholder icon color on dark backgrounds.
• Fix the Classic block toolbar in RTL languages.
• Fix the more tag in the Classic block.
• Fix the quote to heading block transformation.
• Fix “null” appearing when merging empty headings and paragraphs.
• Fix the block insertion restrictions in the global inserter.
• Fix the prepareEditableTree custom RichText Format API.
• Changes to the internal RichText format representation to separate objects (inline image..) from formats (bold…). This fixes a number of RichText issues.
• Fix the Spinner component styling in RTL languages.
• Fix focus loss when using the Set Featured Image buttons.
• Fix template lock not being taken into consideration.
• Fix composed characters at the beginning of RichText.
• Fix several block multi-selection bugs.
• Allow using a float number as a step when using the RangeControl component.
• Fix error when pasting a caption shortcode without an image tag.
• Fix focus loss when combining sidebars and modals (or popovers).
• Escape the greater than character when serializing the blocks content into HTML.
• Fix pasting links into the classic block.
• Include missing CSS in the classic block.

Documentation

• Enhance the i18n process documentation with a complete example.
• Add design guidelines to several components:
• The Button component
• The CheckboxControl component
• The MenuItemsChoice component.
• The MenuGroup component.
• Update the JavaScript setup tutorial to rely on the @wordpress/scripts package.
• Lowercase block editor and classic editor terms to conform to the copy guidelines.
• Use a central script to generate the JavaScript API documentation and run in parallel.
• Update the packages release process.
• Update the plugin release docs to rely on a lighter SVN checkout.
• Add automatic generation of JavaScript API documentation for:
  • @wordpress/element
  • @wordpress/escape-html
  • @wordpress/html-entities
  • @wordpress/keycodes
  • @wordpress/a11y
  • @wordpress/blob
  • @wordpress/block-library
  • @wordpress/compose
  • @wordpress/dom
  • @wordpress/i18n
  • @wordpress/autop
  • @wordpress/dom-ready
  • @wordpress/block-editor
  • @wordpress/rich-text
  • @wordpress/blocks
  • @wordpress/deprecated
  • @wordpress/priority-queue
  • @wordpress/shortcode
  • @wordpress/viewport
  • @wordpress/url
  • @wordpress/redux-routine
  • @wordpress/date
  • @wordpress/block-serialization-default-parser
  • @wordpress/plugins
  • @wordpress/wordcount
  • @wordpress/edit-post
• Link to the editor user documentation and remove the user documentation markdown file.
• Typos and tweaks: 1, 2, 3, 4, 5.

Various

• Upgrade to React 16.8.4 (React Hooks).
• Fix the dependencies of the e2e-tests and the e2e-test-utils npm packages.
• Avoid disabling regeneratorRuntime in the babel config to avoid globals in npm packages.
• Work on various e2e tests [stability](#1...

5.3.0-rc.1

Features

• Add the block management modal: Ability to hide/show blocks in the inserter.
• Support nested blocks for the Cover Block.
• Add an experimental Legacy Widget Block (enabled only in the plugin for the moment).

Enhancements

• Update the block outlines for the hover and selected states.
• Allow undoing automatic pattern block transformations.
• Add a RichText collapsed format toolbar for code, inline image and strikethrough formats.
• Allow collapsing inserter panels when searching.
• Add ability to transform video shortcodes to video blocks.
• Add ability to transform audio shortcodes to audio blocks.
• Add new @wordpress/data actions to invalidate the resolvers cache.
• Support custom classNames in the ToggleControl component.
• Clarify the button to exit the post lock modal.
• Improve the block validation error message.
• Automatically use the WordPress babel config when using @wordpress/scripts CLI.
• Add keyboard shortcuts to indent/outdent list items.
• Use links instead of buttons in the document outline.
• Use <s> for strikethrough, not <del>.
• Center the tooltips content.
• Update wording of the block switcher tooltip.
• Add support for the reduced motion browser mode.

Bug Fixes

• Always show the current month in the Calendar block for All CPTs but post.
• In the Latest posts block, avoid full line clickable titles.
• Avoid relying on DOM nodes to add the empty line in RichText component. This fixes a number of lingering empty lines.
• Fix the MediaPlaceholder icon color on dark backgrounds.
• Fix the Classic block toolbar in RTL languages.
• Fix the more tag in the Classic block.
• Fix the quote to heading block transformation.
• Fix “null” appearing when merging empty headings and paragraphs.
• Fix the block insertion restrictions in the global inserter.
• Fix the prepareEditableTree custom RichText Format API.
• Changes to the internal RichText format representation to separate objects (inline image..) from formats (bold…). This fixes a number of RichText issues.
• Fix the Spinner component styling in RTL languages.
• Fix focus loss when using the Set Featured Image buttons.
• Fix template lock not being taken into consideration.
• Fix composed characters at the beginning of RichText.
• Fix several block multi-selection bugs.
• Allow using a float number as a step when using the RangeControl component.
• Fix error when pasting a caption shortcode without an image tag.
• Fix focus loss when combining sidebars and modals (or popovers).
• Escape the greater than character when serializing the blocks content into HTML.
• Fix pasting links into the classic block.
• Include missing CSS in the classic block.

Documentation

• Enhance the i18n process documentation with a complete example.
• Add design guidelines to several components:
• The Button component
• The CheckboxControl component
• The MenuItemsChoice component.
• The MenuGroup component.
• Update the JavaScript setup tutorial to rely on the @wordpress/scripts package.
• Lowercase block editor and classic editor terms to conform to the copy guidelines.
• Use a central script to generate the JavaScript API documentation and run in parallel.
• Update the packages release process.
• Update the plugin release docs to rely on a lighter SVN checkout.
• Add automatic generation of JavaScript API documentation for:
  • @wordpress/element
  • @wordpress/escape-html
  • @wordpress/html-entities
  • @wordpress/keycodes
  • @wordpress/a11y
  • @wordpress/blob
  • @wordpress/block-library
  • @wordpress/compose
  • @wordpress/dom
  • @wordpress/i18n
  • @wordpress/autop
  • @wordpress/dom-ready
  • @wordpress/block-editor
  • @wordpress/rich-text
  • @wordpress/blocks
  • @wordpress/deprecated
  • @wordpress/priority-queue
  • @wordpress/shortcode
  • @wordpress/viewport
  • @wordpress/url
  • @wordpress/redux-routine
  • @wordpress/date
  • @wordpress/block-serialization-default-parser
  • @wordpress/plugins
  • @wordpress/wordcount
  • @wordpress/edit-post
• Link to the editor user documentation and remove the user documentation markdown file.
• Typos and tweaks: 1, 2, 3, 4, 5.

Various

• Upgrade to React 16.8.4 (React Hooks).
• Fix the dependencies of the e2e-tests and the e2e-test-utils npm packages.
• Avoid disabling regeneratorRuntime in the babel config to avoid globals in npm packages.
• Work on various e2e tests [stability](#1...

5.2.0

Enhancements

• Update the button block description wording.
• Design and a11y improvements for the custom color picker.
• Tweak the FontSizePicker height to match regular select elements.
• Improvements to the local state persistence behavior.
• Improvements to the URL input popove design.
• Disable block navigation and document outline items in text mode.
• Improve the quote block icons.
• Animate the sidebar tabs switching.

Bug Fixes

• Select the last block when pasting content.
• Fix the block validation when the default attribute value of a block is changed.
• Forces the min/max value validation in the RangeControl component.
• Display HTML properly in the post titles of the latest posts block.
• Fix drag and dropping a column block on itself.
• Fix new lines in the preformatted block.
• Fix text underline shortcut.
• Fix calling gutenberg plugin functions in the frontend context.
• Fix pasting a single line from Google Docs (ignoring the strong element).
• Fix FocalPointPicker rendering unlabelled input fields.
• Show the images uploaded in the gallery block in the media modal.
• Fix wordwise selection on Windows.
• Preserve empty table cells when pasting content.
• Fix focus loss when deleting the last block.

Documentation

• Add the Block specific toolbar button sample to the format api tutorial.
• Introduce a package to automatically generate the API documentation.
• Tweaks: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

Various

• Introduce a generic block editor module.
• Creates an empty page that will contain the future widget screen explorations.
• Fix emoji in the demo content.
• Warn when the user is using an inline element as a RichText container.
• Make Babel import JSX pragma plugin aware of the createElement usage.
• Include the JSX pragma plugin into the default WordPress babel config.
• Update the non-embeddable URLs wording.

Chore

• Refactoring of the block fixtures tests.
• Refactoring the eslint custom import lint rule.
• Refactoring the selection of previous/next blocks actions.
• Refactoring the post editor effects to use actions and resolvers instead.
• Use forEach instead of map when appropriate and enforce it with an eslint rule.
• Remove TinyMCE external dependency mapping.
• Extract webpack config into the scripts package.
• Improve e2e tests stability.t
• Avoid mutating webpack imported config.
• Upgrade Jest to version 24.
• Add repository.directory field to the npm packages and an linting rule to enforce it.
• Update server blocks script to use core equivalent function.
• Remove the vendor scripts registration.
• Use the editor settings to pass a mediaUpload handler.
• Remove deprecated Gutenberg plugin functions and features moved to core.
• Remove unnecessary Enzyme React 16 workarounds from the unit tests.
• Remove wp-editor-font stylesheet override.
• Preserve inline scripts when overriding core scripts.
• Support referencing the IconButton component.
• Refactor the i18n setup of the Gutenberg plugin.

Mobile

• Add an image placeholder when the size is being computed.
• Update the image thumbnail when the image is being uploaded.
• Support the Format Library.
• Bottom Sheet design improvements.
• Update the default block appender placehoder.
• Support pasting content using the Gutenberg paste handler.
• Fix alignment issues for the appender and paragraph block placeholders.

5.2.0-rc.1

Enhancements

• Update the button block description wording.
• Design and a11y improvements for the custom color picker.
• Tweak the FontSizePicker height to match regular select elements.
• Improvements to the local state persistence behavior.
• Improvements to the URL input popove design.
• Disable block navigation and document outline items in text mode.
• Improve the quote block icons.
• Animate the sidebar tabs switching.

Bug Fixes

• Select the last block when pasting content.
• Fix the block validation when the default attribute value of a block is changed.
• Forces the min/max value validation in the RangeControl component.
• Display HTML properly in the post titles of the latest posts block.
• Fix drag and dropping a column block on itself.
• Fix new lines in the preformatted block.
• Fix text underline shortcut.
• Fix calling gutenberg plugin functions in the frontend context.
• Fix pasting a single line from Google Docs (ignoring the strong element).
• Fix FocalPointPicker rendering unlabelled input fields.
• Show the images uploaded in the gallery block in the media modal.
• Fix wordwise selection on Windows.
• Preserve empty table cells when pasting content.
• Fix focus loss when deleting the last block.

Documentation

• Add the Block specific toolbar button sample to the format api tutorial.
• Introduce a package to automatically generate the API documentation.
• Tweaks: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

Various

• Introduce a generic block editor module.
• Creates an empty page that will contain the future widget screen explorations.
• Fix emoji in the demo content.
• Warn when the user is using an inline element as a RichText container.
• Make Babel import JSX pragma plugin aware of the createElement usage.
• Include the JSX pragma plugin into the default WordPress babel config.
• Update the non-embeddable URLs wording.

Chore

• Refactoring of the block fixtures tests.
• Refactoring the eslint custom import lint rule.
• Refactoring the selection of previous/next blocks actions.
• Refactoring the post editor effects to use actions and resolvers instead.
• Use forEach instead of map when appropriate and enforce it with an eslint rule.
• Remove TinyMCE external dependency mapping.
• Extract webpack config into the scripts package.
• Improve e2e tests stability.t
• Avoid mutating webpack imported config.
• Upgrade Jest to version 24.
• Add repository.directory field to the npm packages and an linting rule to enforce it.
• Update server blocks script to use core equivalent function.
• Remove the vendor scripts registration.
• Use the editor settings to pass a mediaUpload handler.
• Remove deprecated Gutenberg plugin functions and features moved to core.
• Remove unnecessary Enzyme React 16 workarounds from the unit tests.
• Remove wp-editor-font stylesheet override.
• Preserve inline scripts when overriding core scripts.
• Support referencing the IconButton component.
• Refactor the i18n setup of the Gutenberg plugin.

Mobile

• Add an image placeholder when the size is being computed.
• Update the image thumbnail when the image is being uploaded.
• Support the Format Library.
• Bottom Sheet design improvements.
• Update the default block appender placehoder.
• Support pasting content using the Gutenberg paste handler.
• Fix alignment issues for the appender and paragraph block placeholders.

5.1.1

Changelog

Bug Fixes

• Fixes a Firefox regression causing block content to be deleted.

5.1.0

Features

• Add a new Search block.
• Add a new Calendar block.
• Add a new Tag Cloud block.

Enhancements

• Add micro-animations to the editor UI:
  • Opening Popovers.
  • Opening Sidebars.
• Restore the block movers for the floated blocks.
• Consistency in alignment options between archives and categories blocks.
• Set the minimum size for form fields on mobile.
• Disable the block navigation in the code editor mode.
• Consistency for the modal styles.
• Improve the FormToggle styling when used outside of WordPress context.
• Use the block icons in the media placeholders.
• Fix rounded corners for the block svg icons.
• Improve the CSS specificity of the paragraph block styles.
• Require an initial click on embed previews before being interactive.
• Improve the disabled block switcher styles.
• Do not split paragraph line breaks when transforming multiple paragraphs to a list.
• Enhance the Quote block styling for different text alignments.
• Remove the left padding from the Quote block when it’s centered.
• A11y:
  • Improve the permalink field label.
  • Improve the region navigation styling.
• Remove the 3 keywords limit for the block registration.
• Add consistent background colors to the hovered menu items.
• Allow the editor notices to push down the content.
• Rename the default block styles.

Bug Fixes

• Fix a number of formatting issues:
  • Multiple formats.
  • Flashing backgrounds when typing.
  • Highlighted format buttons.
  • Inline code with backticks.
  • Spaces deleted after formats.
  • Inline boundaries styling issues.
  • Touch Bar format buttons.
• Fix a number of list block writing flow issues:
  • Allow line breaks in list items.
  • Empty items not being removed.
  • Backspace merging list items.
  • Selecting formats at the beginning of list items.
• Fix the color picker styling.
• Set default values for the image dimensions inputs.
• Fix sidebar panels spacing.
• Fix wording of the nux tip nudging about the sidebar settings.
• Fix the translator comments pot extraction.
• Fix the plugins icons color overriding.
• Fix conflicting notices styles when using editor styles.
• Fix controls recursion in the redux-routine package.
• Fix the generic embed block when using Giphy as provider.
• Fix the i18n message used in the Gallery block edit button.
• Fix the icon size of the block switcher menu.
• Fix the loading state of the FlatTermSelector (tags selector).
• Fix the embed placeholders styling.
• Fix incorrectly triggered auto-saves for published posts.
• Fix missing classname in the Latest comments block.
• Fix HTML in shortcodes breaking block validation.
• Fix JavaScript errors when typing quickly and creating undo levels.
• Fix issue with mover colors in dark themes.
• Fix internationalisation issue with permalink slugs.

Various

• Implement the inline format boundaries without relying on the DOM.
• Introduce the Registry Selectors in the data module.
• Introduce the Registry Controls in the data module.
• Allow extending the latest posts block query by using get_posts.
• Extend the range of allowed years in the DateTime component.
• Allow null values for the DateTime component.
• Do not render the FontSizePicker if no sizes defined.
• Add className prop support to the UrlInput component.
• Add inline image resizing UI.

Chore

• Update lodash and deasync dependencies.
• Use addQueryArgs consistently to generate WordPress links.
• Remove merged PHP code:
  • jQuery to Hooks heartbeat proxyfying.
  • References to the classic editor.
  • gutenberg_can_edit_post function.
• Disable CSS animations in e2e tests.
• ESLint
  • Add a rule to ensure the consistency of the import groups.
  • Add a rule to protect against invalid sprintf use.
• Remove obsolete