Update dependency govuk-frontend to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
govuk-frontend (source)	^4.8.0 -> ^5.0.0

---

Release Notes

alphagov/govuk-frontend (govuk-frontend)

v5.4.1

Compare Source

Recommended changes

Update Breadcrumbs to use nav and aria-label

We've made changes to the Breadcrumbs component to improve how it appears to screen readers.

We've changed the wrapping element to use the nav tag to expose it as a navigational landmark, and added an aria-label attribute to differentiate it as breadcrumb navigation.

This change was introduced in pull request #​4995: Update Breadcrumb component to improve screen reader accessibility.

Fixes

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​5114: Fix divider width for small checkboxes – thanks to @​colinrotherham
• #​5043: Refactor the accordion JavaScript
• #​5044: Remove session storage checks from accordion JavaScript
• #​5060: Reintroduce additional bottom margin to Error Summary content
• #​5070: Fix alignment of content in conditional checkboxes and radio buttons
• #​5090: Remove redundant tag CSS from phase banner

v5.4.0

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To install this version with npm, run npm install [email protected]. You can also find more information about how to stay up to date in our documentation.

This release includes new features to help you include only the components your service uses. Doing this can help reduce the size of the JavaScript and CSS files sent to users, improving their experience.

New features

Create individual components with createAll

We've added a new createAll function that lets you initialise specific components in the same way that initAll does.

The createAll function will:

• find all elements in the page with the corresponding data-module attribute
• instantiate a component object for each element
• catch errors and log them in the console
• return an array of all the successfully instantiated component objects.

import { createAll, Button, Checkboxes } from 'govuk-frontend'

createAll(Button)
createAll(Checkboxes)

You can also pass a config object and a scope within which to search for elements.

You can find out more about how to use the createAll function in our documentation.

This change was introduced in pull request #​4975: Add createAll function to initialise individual components.

Use tabular numbers easily with govuk-!-font-tabular-numbers

We've added a new override class for tabular number styling: govuk-!-font-tabular-numbers.

Using tabular numbers can make it easier for users to read numbers intended for comparison to one another, or for numbers that dynamically update.

It was previously only possible to use tabular numbers by using the govuk-font-tabular-numbers Sass mixin.

This change was introduced in pull request #​4973: Add override class for tabular numbers.

Deprecated features

Importing layers using all files

You'll see a warning when compiling your Sass if you import any of our layers using the all file. Importing using the all files is deprecated, and we’ll remove them in the next major release.

In your import statements, use a trailing /index rather than /all to load GOV.UK Frontend's files.
For example:

• @import "govuk/index"; instead of @import "govuk/all";;
• @import "govuk/<PATH>/index"; instead of @import "govuk/<PATH>/all";;

You do not need /index at the end of each import path if you’re using Dart Sass, LibSass 3.6.0 or higher, or Ruby Sass 3.6.0 or higher.

This change was introduced in pull request #​4955: Rename all files to index for our Sass entry points.

Fixes

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​4942: Remove duplicate errorMessage argument for the password input component - thanks to Tim South for contributing this change
• #​4961: Fix tree-shaking when importing govuk-frontend
• #​4963: Fix input value not being set if the value was '0' – thanks to @​dwp-dmitri-algazin for reporting this issue
• #​4971: Fix Error Summary component outputting list HTML when no errorList is provided
• #​442: Update content to streamline installation info
• #​438: Split up the 'Import CSS, assets and JavaScript' page

v5.3.1

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To install this version with npm, run npm install [email protected]. You can also find more information about how to stay up to date in our documentation.

Fixes

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​4906: Update the icon in the warning text component to match the defined text colour and background colour, rather than always being white on black
• #​4919: Use canvas colour for cookie banner over hardcoded grey
• #​4899: Remove indents from conditional reveals in radios and checkboxes
• #​4935: Fix password input button unexpectedly stretching
• #​4936: Fix skip link underline being removed when global styles are enabled
• #​4938: Fix attributes option ignoring values passed from the safe filter

v5.3.0

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To install this version with npm, run npm install [email protected]. You can also find more information about how to stay up to date in our documentation.

New features

Use the Password input component to help users accessibly enter passwords

The Password input component allows users to choose:

• whether their passwords are visible or not
• to enter their passwords in plain text

This helps users use longer and more complex passwords without needing to remember what they've already typed.

This change was introduced in pull request #​4442: Create password input component. Thanks to @​andysellick for the original contribution.

Recommended changes

Update the HTML for the Character count component

We've updated the HTML for the Character count component. The component wrapper data-module="govuk-character-count" and its form group class="govuk-form-group" are now combined as the same <div>. The hint text used as the count message now appears directly after the <textarea>.

If you're not using Nunjucks macros, then you should:

• move all classes and attributes from the form group <div> to the component wrapper <div>
• remove the opening <div> and closing </div> tags used by the form group
• check the count message is now directly after the <textarea>

The following example shows some HTML and the difference once it’s updated.

HTML before:

<div class="govuk-character-count" data-module="govuk-character-count" data-maxlength="100">
  <div class="govuk-form-group">
    <!-- // Label, hint, error and textarea -->
  </div>
  <!-- // Count message -->
</div>

HTML after:

<div class="govuk-form-group govuk-character-count" data-module="govuk-character-count" data-maxlength="100">
  <!-- // Label, hint, error, textarea and count message -->
</div>

Check your changes against the Character count example in the Design System to make sure you’ve correctly implemented them.

This change was introduced in pull request #​4566: Use Character count formGroup as module wrapper.

Remove redundant role attributes from elements

We've made minor changes to the HTML of the page template, as well as the header, footer and pagination components.

You can update your HTML to remove the role attribute from some elements. These include the:

• main role on the main element in the template
• banner role on the header element in the Header component
• contentinfo role on the footer element in the Footer component
• navigation role on the nav element in the Pagination component

These roles were present to support legacy browsers, such as older versions of Internet Explorer. GOV.UK Frontend no longer supports these browsers, so you can now remove these roles.

You do not need to change anything if you're using the Nunjucks versions of the page template or these components,

This change was introduced in pull request #​4854: Remove redundant role attributes.

Fixes

We've fixed an upstream issue in the cssnano npm package that caused elements with transparency to render incorrectly in Internet Explorer 11. This affected the pre-compiled CSS files in the GOV.UK Frontend npm package and GitHub releases for versions 5.0, 5.1 and 5.2. This was fixed in:

• #​1573: feat: add preset and plugin options for browserslist in the cssnano repository
• #​4829: Bump the postcss group with 2 updates

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​4811: Use KeyboardEvent.key over deprecated KeyboardEvent.keyCode in the Tabs component
• #​4812: Use KeyboardEvent.key over deprecated KeyboardEvent.keyCode in the Button component
• #​4813: Remove deprecated KeyboardEvent properties from the Exit this Page component
• #​4855: Fix mobile product name being misaligned in new type scale

v5.2.0

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In this release, we’ve adjusted our responsive type scale, which is available behind a feature flag. The type scale change is to make text easier to read on smaller screens. We’ve also deprecated the useTudorCrown parameter.

To install this version with npm, run npm install [email protected]. You can also find more information about how to stay up to date in our documentation.

New features

We've adjusted our responsive type scale

We've made the following adjustments to our responsive type scale:

• point 16 now returns 16px across all screen sizes
• point 19 now returns 19px across all screen sizes
• point 24 remains as 24px on large screens
• point 24 now returns 21px on small screens instead of 18px and has a line height 25px instead of 20px
• point 27 remains as 27px on large screens
• point 27 now returns 21px on small screens instead of 18px and has a line height 25px instead of 20px
• point 36 remains as 27px on large screens
• point 36 now returns 27px on small screens instead of 24px and has a line height 30px instead of 25px

To enable these changes, set the feature flag variable $govuk-new-typography-scale to true before you import GOV.UK Frontend in your Sass files:

// application.scss
$govuk-new-typography-scale: true;
@​import "govuk-frontend/all";

If your service uses custom elements made using GOV.UK Frontend, test your service against the new typography scale to assess if you need to make any adjustments.

You can read more on upgrading your service to the new type scale in our upgrade guide.

This change was introduced in pull request #​2421: Adjust the responsive type scale

Insert custom HTML into component form group wrappers

You can now insert custom HTML into form group wrappers for all components with form fields.

govukInput({
  formGroup: {
    beforeInput: {
      html: "example"
    },
    afterInput: {
      html: "example"
    },
  }
})

This change was introduced in pull request #​4567: Add beforeInput(s) and beforeInput(s) options to form groups.

Deprecated features

Stop using the useTudorCrown parameter in the Heading component

The rollout for the revised GOV.UK logo has started and the Tudor crown logo is now shown by default. We’ve deprecated the useTudorCrown parameter and will remove it in the next major release.

You can now remove the useTudorCrown parameter, along with any other adjustments made to display the Tudor crown logo in your service.

This change was introduced in pull request #​4740: Make Tudor Crown logo the default

Fixes

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​4768: Fix z-index of inputs in Radios and Checkboxes component
• #​4784: Fix LibSass calc() compatibility in Radios and Checkboxes

v5.1.0

Compare Source

To install this version with npm, run npm install [email protected]. You can also find more information about how to stay up to date in our documentation.

New features

Update to the new GOV.UK logo

The GOV.UK logo has been updated to reflect the changing of the monarch. King Charles III uses the Tudor Crown, rather than the St Edward’s Crown chosen by Queen Elizabeth II.

If your service uses GOV.UK branding, you must update your service between 19 February and 1 March 2024 to use the new logo.

These changes were made in the following pull requests:

• #​4354: Implement the Tudor crown favicons (v5.x)
• #​4297: Implement the Tudor crown in the Header component (v5.x)

Include the new logo assets

Multiple new image assets are included in this release. You’ll need to copy these to your service's image assets folder if they’re not being used directly from the Frontend package. By default this folder is located at /assets/images.

If you’re using Nunjucks, the asset path may have been changed by the assetPath global variable or assetsPath parameter on the header component.

Copy the following files from /dist/assets/images into your assets folder. Any images with the same name as an existing image can be safely overwritten.

• favicon.ico
• favicon.svg
• govuk-icon-180.png
• govuk-icon-192.png
• govuk-icon-512.png
• govuk-icon-mask.svg
• govuk-opengraph-image.png

Update the logo in the header of your page

If you’re using the govukHeader Nunjucks macro in your service, add the useTudorCrown parameter to the macro instantiation. This will become the default in a future version of GOV.UK Frontend.

{{ govukHeader({
  ...
  useTudorCrown: true
}) }}

If you’re not using the Nunjucks macro, locate the SVG code for the existing logo and replace it with this updated SVG.

<svg
  focusable="false"
  role="img"
  class="govuk-header__logotype"
  xmlns="http://www.w3.org/2000/svg"
  viewBox="0 0 148 30"
  height="30"
  width="148"
  aria-label="GOV.UK"
>
  <title>GOV.UK</title>
  <path d="M22.6 10.4c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4m-5.9 6.7c-.9.4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4m10.8-3.7c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s0 2-1 2.4m3.3 4.8c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4M17 4.7l2.3 1.2V2.5l-2.3.7-.2-.2.9-3h-3.4l.9 3-.2.2c-.1.1-2.3-.7-2.3-.7v3.4L15 4.7c.1.1.1.2.2.2l-1.3 4c-.1.2-.1.4-.1.6 0 1.1.8 2 1.9 2.2h.7c1-.2 1.9-1.1 1.9-2.1 0-.2 0-.4-.1-.6l-1.3-4c-.1-.2 0-.2.1-.3m-7.6 5.7c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s0 2 1 2.4m-5 3c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s.1 2 1 2.4m-3.2 4.8c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s0 2 1 2.4m14.8 11c4.4 0 8.6.3 12.3.8 1.1-4.5 2.4-7 3.7-8.8l-2.5-.9c.2 1.3.3 1.9 0 2.7-.4-.4-.8-1.1-1.1-2.3l-1.2 4c.7-.5 1.3-.8 2-.9-1.1 2.5-2.6 3.1-3.5 3-1.1-.2-1.7-1.2-1.5-2.1.3-1.2 1.5-1.5 2.1-.1 1.1-2.3-.8-3-2-2.3 1.9-1.9 2.1-3.5.6-5.6-2.1 1.6-2.1 3.2-1.2 5.5-1.2-1.4-3.2-.6-2.5 1.6.9-1.4 2.1-.5 1.9.8-.2 1.1-1.7 2.1-3.5 1.9-2.7-.2-2.9-2.1-2.9-3.6.7-.1 1.9.5 2.9 1.9l.4-4.3c-1.1 1.1-2.1 1.4-3.2 1.4.4-1.2 2.1-3 2.1-3h-5.4s1.7 1.9 2.1 3c-1.1 0-2.1-.2-3.2-1.4l.4 4.3c1-1.4 2.2-2 2.9-1.9-.1 1.5-.2 3.4-2.9 3.6-1.9.2-3.4-.8-3.5-1.9-.2-1.3 1-2.2 1.9-.8.7-2.3-1.2-3-2.5-1.6.9-2.2.9-3.9-1.2-5.5-1.5 2-1.3 3.7.6 5.6-1.2-.7-3.1 0-2 2.3.6-1.4 1.8-1.1 2.1.1.2.9-.3 1.9-1.5 2.1-.9.2-2.4-.5-3.5-3 .6 0 1.2.3 2 .9l-1.2-4c-.3 1.1-.7 1.9-1.1 2.3-.3-.8-.2-1.4 0-2.7l-2.9.9C1.3 23 2.6 25.5 3.7 30c3.7-.5 7.9-.8 12.3-.8m28.3-11.6c0 .9.1 1.7.3 2.5.2.8.6 1.5 1 2.2.5.6 1 1.1 1.7 1.5.7.4 1.5.6 2.5.6.9 0 1.7-.1 2.3-.4s1.1-.7 1.5-1.1c.4-.4.6-.9.8-1.5.1-.5.2-1 .2-1.5v-.2h-5.3v-3.2h9.4V28H55v-2.5c-.3.4-.6.8-1 1.1-.4.3-.8.6-1.3.9-.5.2-1 .4-1.6.6s-1.2.2-1.8.2c-1.5 0-2.9-.3-4-.8-1.2-.6-2.2-1.3-3-2.3-.8-1-1.4-2.1-1.8-3.4-.3-1.4-.5-2.8-.5-4.3s.2-2.9.7-4.2c.5-1.3 1.1-2.4 2-3.4.9-1 1.9-1.7 3.1-2.3 1.2-.6 2.6-.8 4.1-.8 1 0 1.9.1 2.8.3.9.2 1.7.6 2.4 1s1.4.9 1.9 1.5c.6.6 1 1.3 1.4 2l-3.7 2.1c-.2-.4-.5-.9-.8-1.2-.3-.4-.6-.7-1-1-.4-.3-.8-.5-1.3-.7-.5-.2-1.1-.2-1.7-.2-1 0-1.8.2-2.5.6-.7.4-1.3.9-1.7 1.5-.5.6-.8 1.4-1 2.2-.3.8-.4 1.9-.4 2.7zM71.5 6.8c1.5 0 2.9.3 4.2.8 1.2.6 2.3 1.3 3.1 2.3.9 1 1.5 2.1 2 3.4s.7 2.7.7 4.2-.2 2.9-.7 4.2c-.4 1.3-1.1 2.4-2 3.4-.9 1-1.9 1.7-3.1 2.3-1.2.6-2.6.8-4.2.8s-2.9-.3-4.2-.8c-1.2-.6-2.3-1.3-3.1-2.3-.9-1-1.5-2.1-2-3.4-.4-1.3-.7-2.7-.7-4.2s.2-2.9.7-4.2c.4-1.3 1.1-2.4 2-3.4.9-1 1.9-1.7 3.1-2.3 1.2-.5 2.6-.8 4.2-.8zm0 17.6c.9 0 1.7-.2 2.4-.5s1.3-.8 1.7-1.4c.5-.6.8-1.3 1.1-2.2.2-.8.4-1.7.4-2.7v-.1c0-1-.1-1.9-.4-2.7-.2-.8-.6-1.6-1.1-2.2-.5-.6-1.1-1.1-1.7-1.4-.7-.3-1.5-.5-2.4-.5s-1.7.2-2.4.5-1.3.8-1.7 1.4c-.5.6-.8 1.3-1.1 2.2-.2.8-.4 1.7-.4 2.7v.1c0 1 .1 1.9.4 2.7.2.8.6 1.6 1.1 2.2.5.6 1.1 1.1 1.7 1.4.6.3 1.4.5 2.4.5zM88.9 28 83 7h4.7l4 15.7h.1l4-15.7h4.7l-5.9 21h-5.7zm28.8-3.6c.6 0 1.2-.1 1.7-.3.5-.2 1-.4 1.4-.8.4-.4.7-.8.9-1.4.2-.6.3-1.2.3-2v-13h4.1v13.6c0 1.2-.2 2.2-.6 3.1s-1 1.7-1.8 2.4c-.7.7-1.6 1.2-2.7 1.5-1 .4-2.2.5-3.4.5-1.2 0-2.4-.2-3.4-.5-1-.4-1.9-.9-2.7-1.5-.8-.7-1.3-1.5-1.8-2.4-.4-.9-.6-2-.6-3.1V6.9h4.2v13c0 .8.1 1.4.3 2 .2.6.5 1 .9 1.4.4.4.8.6 1.4.8.6.2 1.1.3 1.8.3zm13-17.4h4.2v9.1l7.4-9.1h5.2l-7.2 8.4L148 28h-4.9l-5.5-9.4-2.7 3V28h-4.2V7zm-27.6 16.1c-1.5 0-2.7 1.2-2.7 2.7s1.2 2.7 2.7 2.7 2.7-1.2 2.7-2.7-1.2-2.7-2.7-2.7z"></path>
</svg>

Add attributes to component form group wrappers

You can now add attributes to the form group wrapper for all components with form fields.

govukRadios({
  formGroup: {
    attributes: {
      "data-attribute": "value"
    }
  }
})

This change was introduced in pull request #​4565: Allow attributes option on form groups.

Use tabular numbers with the govuk-font-tabular-numbers mixin

You can now use tabular numbers in your authored Sass by including the new govuk-font-tabular-numbers mixin.

Previously, you’d use the govuk-font mixin with the $tabular parameter. However, the govuk-font mixin includes styles unrelated to tabular numbers, which are not needed in some contexts.

These additional styles are not included if you use govuk-font-tabular-numbers. Switching to the new mixin can reduce the size of your compiled CSS without affecting the appearance of pages.

This change was introduced in pull request #​4307: Refactor tabular number activation into their own mixin.

Recommended changes

Replace instances of govuk-typography-responsive with govuk-font-size

We've renamed the Sass mixin govuk-typography-responsive to govuk-font-size and have deprecated govuk-typography-responsive. You can still use govuk-typography-responsive, but we'll remove it in a future breaking release (GOV.UK Frontend v6.0.0).

This is an experimental change to see if the name govuk-font-size better communicates the Sass mixin's intended use than the name govuk-typography-responsive.

We're interested in feedback from the community on this name change, so please let us know what you think through our usual channels.

This change was introduced in pull request #​4291: Rename govuk-typography-responsive to govuk-font-size.

Remove the aria-labelledby attribute from accordion sections

If you’re not using our Nunjucks macros, remove the aria-labelledby attribute from all accordion sections (div elements that have the govuk-accordion__section-content class).

This change was introduced in pull request #​4628: Remove aria-labelledby from accordion sections.

Deprecated features

Stop using the element parameter on buttons

We’ve deprecated the element Nunjucks parameter and will remove it in the next major release.

In the future, if the href parameter is set the component will automatically use the <a> element. If the href parameter is not set the component will automatically use the <button> element. It will not be possible to override this change.

This change was introduced in pull request #​4646: Deprecate element parameter on button component.

Stop using govuk-body-xs, govuk-!-font-size-14 and '14' on the type scale

We’ve deprecated point 14 (14px large screens, 12px small screens) on the GOV.UK Frontend responsive type scale, including font override classes that use point 14:

• govuk-body-xs
• govuk-!-font-size-14

We’ll remove these classes and point 14 on the type scale in the next major release, GOV.UK Frontend release v6.0.0. With this change in the v6.0.0 release, you’ll no longer be able to call the Sass mixins govuk-font or govuk-font-size with $size set to '14'.

This change was introduced in #​4649: Deprecate 14 on the type scale and #​4713: Ensure govuk-font-size() handles string keys.

Fixes

We've made fixes to GOV.UK Frontend in the following pull requests:

• #​4157: Dynamically position text within input prefixes and suffixes
• #​4150: Header menu button position refactor
• #​4093: Refactor positioning of radios and checkboxes
• #​4562: Use CSS custom properties for component matchMedia()

v5.0.0

Compare Source

You can find a summary of the main changes to GOV.UK Frontend v5 on the Frontend site. It's important to note our old frameworks (such as GOV.UK Elements) are no longer compatible with this release. It also stops Internet Explorer 11 from running GOV.UK Frontend JavaScript and removes support completely for Internet Explorer 8 to 10.

Your service will not stop working in Internet Explorer 11, but components will look and behave differently without JavaScript. Read more about how we provide support for different browsers.

Service teams should be using a progressive enhancement approach to make sure users can still access any content and complete their tasks.

If you still need to provide support for older versions of Internet Explorer, you should stay on the latest GOV.UK Frontend v4 release.

If you need it, we have a checklist for the changes you might need to make for v5, which you can view or copy (needs a Google account).

Breaking changes

You must make the following changes when you migrate to this release, or your service might break.

Update package file paths for Sass

In preparation for additional build targets, we've moved our package files into a directory called dist.

Replace govuk-frontend/govuk with govuk-frontend/dist/govuk in any Sass @import paths.

For example:

@​import "node_modules/govuk-frontend/dist/govuk/all";

If you've added node_modules/govuk-frontend as a Sass import path, update it with the /dist suffix:

loadPaths: [
  'node_modules/govuk-frontend/dist'
]

If you're building your Sass code through Rails Assets Pipeline or Sprockets, refer to the section 'Update package file paths in Rails Assets Pipeline or Sprockets'.

Refer to the detailed guidance on importing using Sass.

These changes were introduced in #​3498: Remove built dist and package from source

Update package file paths for Nunjucks

In preparation for additional build targets, we've moved our package files into a directory called dist.

Replace govuk-frontend with govuk-frontend/dist in any nunjucks.configure() search paths:

nunjucks.configure([
  'node_modules/govuk-frontend/dist'
])

Refer to the detailed guidance on using Nunjucks.

These changes were made in the following pull requests:

• #​3491: Update Review app to import govuk-frontend via local package
• #​3498: Remove built dist and package from source

Update package file paths for assets such as images and fonts 

In preparation for additional build targets, we've moved our package files into a directory called dist.

If you're serving the assets from the GOV.UK Frontend assets folder (node_modules/govuk-frontend/govuk/assets), update your routing to the new assets path : node_modules/govuk-frontend/dist/govuk/assets.

Refer to the detailed guidance on importing assets.

These changes were introduced in #​3498: Remove built dist and package from source

Update package file paths in Rails Assets Pipeline or Sprockets

In preparation for additional build targets, we've moved our package files into a directory called dist.

Update the  node_modules/govuk-frontend part of the path to node_modules/govuk-frontend/dist, if you've added the path to GOV.UK Frontend package inside node_modules to:

• Rails Assets Pipeline search path using Rails.application.config.assets.paths
• Sprockets using append_path

These changes were introduced in #​3498: Remove built dist and package from source

Update package file paths if including JavaScript directly

In preparation for additional build targets, we've moved our package files into a directory called dist.

If you've set up your routing to serve GOV.UK Frontend's all.js file from node_modules, update the path you're serving to node_modules/govuk-frontend/dist/govuk/govuk-frontend.min.js.

Update any <script> tag with the new path and filename, if necessary. Make sure they have a type="module" attribute. For example:

<script type="module" src="{path-to-javascript}/govuk-frontend.min.js"></script>

Replace <script>window.GOVUKFrontend.initAll()</script> to import and initialise GOV.UK Frontend using ES modules:

<script type="module">
  import { initAll } from '{path-to-javascript}/govuk-frontend.min.js'

  initAll()
</script>

Refer to the detailed guidance on importing JavaScript.

These changes were introduced in #​3498: Remove built dist and package from source

Update package file paths for Node.js and other bundlers

In preparation for additional build targets, we've moved our package files into a directory called dist.

If you're importing GOV.UK Frontend using import ... from 'govuk-frontend' or require('govuk-frontend'), you have nothing to change.

If you're using import to import individual components, replace govuk-frontend/govuk with govuk-frontend/dist/govuk. For example:

import Button from 'govuk-frontend/dist/govuk/components/button/button.mjs'

If you're using require to import individual components, replace govuk-frontend/govuk with govuk-frontend/dist/govuk and update the file name to <COMPONENT_NAME>.bundle.js. For example:

const Button = require('govuk-frontend/dist/govuk/components/button/button.bundle.js')

Refer to the detailed guidance on importing JavaScript.

These changes were introduced in #​3498: Remove built dist and package from source

Verify your code does not rely on polyfills we have now removed

We have removed polyfills for Internet Explorer 8 to 11:

• DOMTokenList, Element.prototype.classList, Element.prototype.closest, Element.prototype.matches, and Event - required for Internet Explorer 11 and below
• Element.prototype.dataset - required for Internet Explorer 10 and below
• Date.now, Document, Element, Element.prototype.nextElementSibling, Element.prototype.previousElementSibling, Function.prototype.bind, Object.defineProperty, String.prototype.trim and Window - required for Internet Explorer 8

However, because these polyfills create or extend global objects ('polluting the global namespace'), you might have other code in your service unintentionally relying on the inclusion of these polyfills. You might need to introduce your own polyfills or rewrite your JavaScript to avoid using the polyfilled features.

These changes were introduced in pull request #​3570: Remove Internet Explorer 8 to 10 JavaScript polyfills, helpers, config

Stop Internet Explorer 11 and other older browsers running unsupported JavaScript

Add type="module" to all HTML <script> tags that include or bundle GOV.UK Frontend.

This is to stop Internet Explorer 11 and other older browsers running the JavaScript, which relies on features older browsers might not support and could cause errors.

Please note that <script> with type="module" runs JavaScript in a slightly different way than <script> without `type="module". You'll need to assess the impact of these nuances and make sure that:

• when your service code is bundled with GOV.UK Frontend it runs as expected in strict mode
• if you have any code that needs to run after GOV.UK Frontend in its own <script> tag, you'll need to make sure it's using type="module" or defer. This is because the tag loading GOV.UK Frontend will be deferred because of its type="module" attribute
• code that needs to run without being deferred, is split into its own file and loaded with a <script> tag without type="module"

If your service has JavaScript you want to run successfully in Internet Explorer (for example JavaScript for analytics), you will need to load it in a separate <script> tag without type="module" and make sure its code is compatible with the browsers it should run in (see previous section about polyfills).

These changes were introduced in pull request #​3720: Remove IE11 vendor polyfills

Update the <script> snippet at the top of your <body> tag

Page templates now include a new govuk-frontend-supported class on the <body> tag when GOV.UK Frontend JavaScript components are fully supported.

If you are not using our Nunjucks page template, replace the existing snippet:

<script>document.body.className = ((document.body.className) ? document.body.className + ' js-enabled' : 'js-enabled');</script>

with:

<script>document.body.className += ' js-enabled' + ('noModule' in HTMLScriptElement.prototype ? ' govuk-frontend-supported' : '');</script>

These changes were introduced in [pull request #​3801:

Add class .govuk-frontend-supported for ES modules support] (#​3801)

Update the hash used by your Content Security Policy

If your Content Security Policy uses a hash to let the snippet above run, you'll need to update it from:

sha256-+6WnXIl4mbFTCARd8N3COQmT3bJJmo32N8q8ZSQAIcU=

to:

sha256-GUQ5ad8JK5KmEWmROf3LZd9ge94daqNvd8xy9YS1iDw=

These changes were introduced in [pull request #​3801:

Add class .govuk-frontend-supported for ES modules support] (#​3801)

Remove calls to component init methods from your JavaScript

If you instantiate individual components, remove any calls to component init methods,  as initialisation now happens automatically. If you initialise the JavaScript using window.GOVUKFrontend.initAll(), you will not need to make any changes.

For example, the following:

new Radios($radio).init()

becomes:

new Radios($radio)

This change was introduced in pull request #​4011: Remove component init() methods and initialise in constructor.

Remove Internet Explorer 8 stylesheets, settings and mixins

We no longer support Internet Explorer 8 (IE8) in GOV.UK Frontend or provide dedicated stylesheets for the browser. Remove any references to these stylesheets from your HTML.

We've removed the govuk-if-ie8 and govuk-not-ie8 mixins, and the $govuk-is-ie8 and $govuk-ie8-breakpoint settings. These were deprecated in GOV.UK Frontend v4.6.0.

You should:

• remove calls to the govuk-if-ie8 mixin entirely (because the code passed to the mixin was only ever for Internet Explorer 8)
• replace calls to the govuk-not-ie8 mixin with the contents that were previously passed to the mixin (because now we always want the code passed to the mixin)
• verify your codebase no longer uses these mixins and variables
• remove ie8 from the $govuk-suppressed-warnings list, if present

If a library you depend on is not yet updated and relies on these mixins and variables, as a temporary workaround you can define the following mixins and variables before importing:

$govuk-is-ie8: false;
$govuk-ie8-breakpoint: ('desktop');
@​mixin govuk-if-ie8 {
  @​if false {
    @​content;
  }
}
@​mixin govuk-not-ie8 {@​content}

This change was introduced in pull request #​3559: Remove IE8-related Sass and CSS build tasks.

Remove references to "Compatibility mode" and related features from your Sass

GOV.UK Frontend is no longer compatible with our old frameworks:

• GOV.UK Elements
• GOV.UK Template
• GOV.UK Frontend Toolkit.

You cannot migrate an existing service to GOV.UK Frontend v5.0 if it is still using one of these frameworks -- you'll need to remain on the latest v4.x release until you've finished the migration. Remove any references to these Sass variables and mixins:

• $govuk-compatibility-govukelements

• $govuk-compatibility-govuktemplate

• $govuk-compatibility-govukfrontendtoolkit

• the govuk-compatibility mixin which could be used to conditionally output CSS when compatibility mode was enabled

• remove compatibility-mode from the $govuk-suppressed-warnings list, if present

We've additionally removed features that were managed using the above variables. We've removed the following features and their corresponding variables:

• access to the legacy colour palette using $govuk-use-legacy-palette
• access to the legacy font using $govuk-use-legacy-font
• use of legacy tabular fonts using $govuk-font-family-tabular
• the ability to not use rem font sizes using $govuk-typography-use-rem

These changes were introduced in:

• pull request #​3622: Remove compatibility mode variables
• pull request #​3602: Remove compatibility-mode mixin
• pull request #​3576: Remove legacy colour palette
• pull request #​3574: Remove legacy and tabular fonts support
• pull request #​3576: Remove $govuk-typography-use-rem setting

Remove references to font family variables from your Sass

Remove any references to following Sass variables:

• $govuk-font-family-gds-transport
• $govuk-font-family-nta
• $govuk-font-family-nta-tabular

If you were using $govuk-font-family-gds-transport to set the font on an element, we recommend using the govuk-font mixin instead.

This change was introduced in pull request #​3949: Simplify font family settings.

Remove references to govuk-button--disabled class from the HTML for the Button component

For the Button component, remove any references to the govuk-button--disabled class that we deprecated in GOV.UK Frontend v4.6.0.

Use the disabled attribute to mark <button> and <input> elements as being disabled instead.

We no longer support link buttons being disabled or using disabled styles.

This change was introduced in pull request #​3557: Remove deprecated govuk-button--disabled class.

Remove references to the JavaScript for the Details component

The Details component no longer uses JavaScript, and is no longer polyfilled in older browsers.

If you are importing the JavaScript for this component individually, remove any references to it.

If you are not using our Nunjucks macros, remove the data-module="govuk-details" attribute from all <details> elements.

We've styled the details component so content does not look 'broken' in browsers that do not support it. If your service supports these browsers,  you will need to add your own polyfills.

This change was introduced in:

• pull request #​3766: Remove JavaScript from Details component.
• pull request #​3758: Style details in older browsers

Update the GOV.UK logo

We've updated the GOV.UK logo to merge the GOV.UK text with the crown graphic. This is to make sure the full logo is always rendered correctly even if parts of the page, such as CSS or the Transport webfont, fail to load. We've also modified styles relating to the logo.

If you're using the govukHeader Nunjucks macro you don't need to change anything.

Otherwise, to update to the new logo:

• remove <span class="govuk-header__logotype-text"> and its content
• remove the <span class="govuk-header__logotype"> around the svg element
• replace the svg element with this updated SVG, and make sure you also update the class name and attributes

This change was introduced in pull request #​4449: Implement transitional crown in the Header component (v5.0).

Check your favicons, app icons and OpenGraph image still work

We've changed the names, formats and sizes of icon assets we distribute in Frontend. You will want to check that the correct files are copied in the right place and served at the right URLs.

The following files have been added to the assets folder:

• manifest.json
• images/favicon.svg
• images/govuk-icon-180.png
• images/govuk-icon-192.png
• images/govuk-icon-512.png
• images/govuk-icon-mask.svg

The following files have been removed from the assets folder:

• images/govuk-apple-touch-icon.png
• images/govuk-apple-touch-icon-152x152.png
• images/govuk-apple-touch-icon-167x167.png
• images/govuk-apple-touch-icon-180x180.png
• images/govuk-mask-icon.svg

If you're not using the Nunjucks page template, you will need to replace the list of icons in the template's head with the following:

<link rel="icon" sizes="48x48" href="/assets/images/favicon.ico">
<link rel="icon" sizes="any" href="/assets/images/favicon.svg" type="image/svg+xml">
<link rel="mask-icon" href="/assets/images/govuk-icon-mask.svg" color="#&#8203;0b0c0c">
<link rel="apple-touch-icon" href="/assets/images/govuk-icon-180.png">
<link rel="manifest" href="/assets/manifest.json">

You will need to update the file path to match your assets folder if it's not at the default location.

This change was introduced in pull request #​4445: Implement transitional crown favicons (v5.0).

Remove the fallback GOV.UK crown logo from the  HTML for the Header component

The Header component previously included a fallback PNG version of the GOV.UK crown logo for Internet Explorer 8. As Frontend no longer supports Internet Explorer 8, we've removed this fallback.

If you're not using the Nunjucks macros, you'll need to remove this fallback from your HTML code. In your Header component:

1. Remove the block of HTML containing the govuk-header__logotype-crown-fallback-image image, starting with <!--[if IE 8]> and ending with <![endif]-->.
2. Remove <!--[if gt IE 8]><!--> and  <!--<![endif]--> from around the govuk-header__logotype-crown SVG, but don't remove the SVG.
3. Delete the govuk-logotype-crown.png file from your assets folder.

You do not need to change any HTML if you're using the supplied Nunjucks macros, but you might still need to remove the govuk-logotype-crown.png image depending on how you are serving the font and image assets.

This change was introduced in pull request #​3641: Remove fallback GOV.UK logo for IE8.

Remove references to govuk-header__navigation--no-service-name class from the HTML for the Header component

We've removed the govuk-header__navigation--no-service-name class which we deprecated in GOV.UK Frontend v4.3.0.

We no longer supply a dedicated class for headers with navigation but no service name. If you still need this feature, you can reproduce it in your own code using the govuk-spacing Sass mixin.

You could:

• add a new app-header-navigation class to the header's <nav> tag (you can use the navigationClasses option for the Header component if you're using Nunjucks)
• add the following styles for this class in your Sass:

.app-header-navigation {
    padding-top: govuk-spacing(7);
}

This change was introduced in pull request #​3595: Remove deprecated govuk-header__navigation--no-service-name class.

Add the hidden attribute to the mobile menu button in the Header component

We've removed some styles from the govuk-header__menu-button class. These styles were included on the mobile menu button to avoid introducing a breaking change in GOV.UK Frontend v4.3.0.

If you're not using Nunjucks macros, and have not done so already, add the hidden attribute to the button's HTML to ensure it continues working as expected.

You do not need to make any changes if using the Nunjucks macro.

When working correctly, the button should only show on narrow screens when JavaScript is available. It should be hidden on wider screens or if JavaScript is unavailable.

This change was introduced in pull request #​3596: Remove redundant display style from govuk-header__menu-button.

Update references to govuk-header__link--service-name class from the HTML for the Header component

We've removed the govuk-header__link--service-name class which we deprecated in GOV.UK Frontend v4.2.0.

Use the govuk-header__service-name class instead.

This change was introduced in pull request #​3594: Remove deprecated govuk-header__link--service-name class.

Update references to govuk-!-margin-static and govuk-!-padding-static classes from the HTML

We've removed the override classes starting with govuk-!-margin-static and govuk-!-padding-static, which were deprecated in GOV.UK Frontend v4.3.1.

Use the classes starting with govuk-!-static-margin and govuk-!-static-padding instead.

This change was introduced in pull request #​3593: Remove deprecated static spacing classes.

Update references to the govuk-warning-text__assistive class  from the HTML for the Warning Text component

For the Warning Text component, we've removed the govuk-warning-text__assistive class and its styles from GOV.UK Frontend. This class is unnecessary, as it duplicates the functionality of the govuk-visually-hidden class already present in Frontend.

If you're not using Nunjucks macros, update your warning text HTML to replace the govuk-warning-text__assistive class with the govuk-visually-hidden class.

This change was introduced in pull request #​3569: Remove unnecessary class from Warning Text component.

Check your browser console for component initialisation errors

GOV.UK Frontend JavaScript components now provide errors if you initialise a component incorrectly.

These errors will be:

• logged in the browser console when using the initAll() function
• thrown as exceptions when instantiating components individually

To make sure the components behave as intended, we encourage you to check your browser console and address any errors by updating your markup or configuration.

Errors you might see include:

• SupportError - when GOV.UK Frontend is not supported in the current browser
• ElementError - when component templates have missing or broken HTML elements
• ConfigError - when component JavaScript configuration does not match our documentation

These changes were introduced in:

• pull request #​4030: Throw SupportError when instantiating components where GOV.UK Frontend is not supported
• https://togithub.com/alphagov/govuk-frontend/pull/4104hub.com/Throw ElementError when the module is not of the expected type alphagov/govuk-frontend#4104](https://github.com/alphagov/govuk-frontend/pull/4104\)))
• pull request #​4177: Add MissingElementError and use it within the Skip Link
• pull request #​4199: Throw ElementError when "Exit this page" button is missing
• pull request #​4206: Throw ElementError when the menu of the header is missing but a toggle is present
• https://togithub.com/alphagov/govuk-frontend/pull/4236([https://github.com/alphagov/govuk-frontend/pull/4236]\(https://github.com/alphagov/govuk-frontend/pull/4236\)))
• pull request #​4261: Throw ElementError for missing elements during Character count instantiation
• pull request #​4266: Throw errors during accordion initialisation
• https://togithub.com/alphagov/govuk-frontend/pull/4176phagov/govuk-frontend/pull/4176](https://github.com/alphagov/govuk-frontend/pull/4176\)))

Check any JavaScript that uses HTMLElement.getAttribute to get the disabled state of a button works as expected

The disabled attribute on 'Disabled buttons' created using our Nunjucks macros no longer includes a value.

If you are using $button.getAttribute('disabled') to check for the disabled attribute in JavaScript, this will now return an empty string. This might cause unexpected behaviour if you are relying on the return value being the string 'disabled' or being truthy.

Instead, we recommend checking for the disabled attribute using $button.hasAttribute('disabled') or the $button.disabled IDL attribute.

This change was introduced in pull request #​2830: Set the boolean disabled attribute consistently in the Button component.

Check that inverse buttons still look as expected if you have customised the brand colour

Inverse button components now use the $govuk-brand-colour setting to determine the button's text colour and the button's background tint when hovered or activated. The button will only look different if $govuk-brand-colour has been changed from the default.

You can restore the previous blue colour by setting $govuk-inverse-button-text-colour before importing the button component's Sass.

@​import "node_modules/govuk-frontend/govuk/base";

$govuk-inverse-button-text-colour: govuk-colour("blue");

@​import "node_modules/govuk-frontend/govuk/components/button/index";

This change was introduced in pull request #​4043: Add ability to customise inverse button colours.

Check any Selects that have options without explicit values work as expected

The govukSelect macro will no longer include an empty value attribute for options that do not have a value set.

If that option is selected, the value of the Select will become the text content of the option, rather than an empty string.

If you need to maintain the existing behaviour, you can set the value to an empty string.

This change was introduced in pull request #​3773: Omit the value attribute from select options with no value.

New features

Use the Task list component to give users an overview of the tasks they need to complete

The Task list component displays all the tasks a user needs to do, and allows users to easily identify which ones are done

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